The planetary one-way clutch overruns. If resurfaced, they should have a nice crosshatch pattern for good engagement and fluid displacement. Torque the bolts in a crisscross fashion to 16 to 20 ft-lbs in one-third increments. Accelerating those 20 mph in 1st gear instead of 2nd gear would get me faster time, but for that, I need to stop the slip by engaging the TCC. Clutch clearances should be .040 to .059 inch. Give these rings and grooves abundant lubrication. The intermediate one-way clutch keeps the reverse clutch drum, shell, and reverse sun gear from rotating counterclockwise when power is being applied (acceleration). The pressure regulator valve bore in the valve body was worn out. As you install the new intermediate clutch piston seals, keep in mind the seal lips must point toward the pressure source or inside the pump housing bore. Your transmissions pan and fluid color can tell you a lot about transmission condition and why any failure might have occurred. Slowly walk the tool around, protecting the seal lip. Install the direct clutch discs and plates alternately. The needle bearing, also known as a Torrington bearing, reduces internal rolling and thrust friction. As mentioned earlier, no stock transmission is perfect in every aspect. A lone sealing ring (PN 87054-S96) goes in the top groove. During installation, watch the seals and protect them from distortion. JavaScript is disabled. Is the torque converter doing its job? Transmission problems are often perceived as mechanical or hydraulic when they are actually electrical issues that adversely affect the hydromechanical parts. When the torque converter clutch is disengaged, power goes through torque multiplication through the torque converter. Email info@mistertransmission.com. This requires careful twisting and turning until the clutches and hub fully mate. The fix was to replace the intake manifold. 1. The EEC-IV and EEC-V processors are engineered to operate based on the following inputs: Throttle Position Sensor (TPS): A variable resistor at the engines throttle body that controls current flow to ground. Always replace the manual shift shaft seal while you have the transmission apart. In part 2 of this series we show the transmission torn For It controls spark, fuel, and transmission shift curves based on throttle position and current ow. The AODE/ 4R70W differs from the AOD in input. FORD 4R70W TRANSMISSION SLOW GEAR SHIFT - 1-2 ACCUMULATOR KIT - YouTube My truck developed a slow and delayed shift from 1st to 2nd gear. The reverse clutch discs alternate with plates. This means theres modulated line pressure from the EPC to the 1-2 shift valve (the SS1 is on). These cookies ensure basic functionalities and security features of the website, anonymously. I would start by removing the valve body and inspecing it first. Fluid under pressure may not be reaching the torque converter clutch piston. Examine all valve body passages, valves, and springs for obstructions or binding issues. Install the forward clutch frictions alternately between the steels. Begin the pump inspection by verifying the bolts are torqued correctly and the stator support is secure. Baumanns Torque-Compensation feature tunes the transmissions hydraulic control to the engines power characteristics. The AOD efficiently replaced several older transmissions that Ford put out, including the C4, C5, and FMX. This TCI Automotive transmission overhaul kit has just about everything needed to complete an AODE/4R70W rebuild. Check this pressure plate for freedom of movement before installing the pump. Recently, I did some research at my friend Rodgers shop in Miami, FL. Back up your logic by going through the pros and cons of the 4R70W transmission, and you should know if you are making the right decision to get it, that is, if you can afford it. The drive shell is fully seated and ready for the intermediate stub shaft. Installing them wet gives them a good start against freshly resurfaced clutch drums. Please register or login to enable Dark Mode. Use a bushing driver of the correct size and a press. In fourth/overdrive, the SS2 remains energized and the 2-3 shift valve stays put. Could have rolled a lip seal. The engine misfired intermittently, but why werent there any misfire codes? If you encounter any binding, chase the threads and remove the debris. 132 N. Howard St, Akron, OH 44308 The cost of replacing the torque converter can easily pass $1000, especially now that the labor cost has also gone up. Archive - You also want to service the torque converter (not shown) with 2 quarts of transmission fluid, which helps prime the pump. This cover contains line pressure at the 1-2 shift accumulator. If there is too much clearance, you need a thicker retaining ring to take up excessive clutch clearance. Not enough line pressure and you get slippage. It is recommended that you lube the thrust bearing with transmission assembly lube for a good wet start-up. Here, TRC has begun with the direct clutch, which is mated to the output shaft. Ford Forum is a community to discuss all things Ford. Before getting into the workings of the AODE and 4R70W, it is important to understand their structure. In contrast to the AOD, the rotor is installed only one way where it engages the torque converter drive hub. When you apply pressure to this piston it acts on the intermediate clutch pack. The drivers side has the manual shift linkage. While youre building subassemblies, closely inspect planet gears and bushings for abnormal wear and scoring. If the SS1 solenoid remains energized or the 1-2 shift valve sticks, you dont get a 1-2 upshift. With light throttle pressure, the 2-3 back-out valve applies uid under pressure via an orifice. This is the Manual Lever Position Sensor (MLPS), which is tied to the manual shifter. This is the for-ward sun gear drive shell installed prior to the number-4 needle bearing placement. Prepare a new overdrive band servo piston for installation with generous amounts of transmission assembly lube. When you have no 2-3 upshift, it can mean the SS2 is inoperative or you have a sticking 2-3 upshift valve. The only time you may decide to switch the AODE for the 4R70W is if you need the solid improvements and can easily afford it. Before mating them, make sure all contact surfaces are clean. Although the automatic overdrive transmission was relatively new, it still bore several features of old designs. To better tie the engine, vehicle, and transmission functions together, Ford went to an output shaft speed sensor and manual shift lever sensor, along with a multiplex electrical connector to simplify service. Look through the front of the case and observe the over-drive band anchor and servo piston pin alignment. All bearing surfaces should have been lubricated. Chrysler and General Motors followed swiftly with their respective versions. S1. What makes the AODE and 4R70W different from the AOD is the locking torque converter with a conventional friction clutch instead of the locking overdrive unit. I did replace scarf cut seals and made sure they went in properly. Did you remove the valve body when you fixed your other problem? But then, the 4R70W is also not a great place to end your search either. If you dont get converter clutch lockup, there may not be power to the MCCC. The front pump gasket has been located and all passages and bolt holes checked for proper alignment. This is the direct clutch, steels, and thrust/needle bearings. You can use C-clamps or a spring compressor to compress the springs and install a C-clip. When they work properly, the 4R70W and 4R75W is a reliable transmission. All that is needed now are clutch discs between the clutch plates. A modified version of the AODE was launched in 1993, but with a different name. Could you pressure test to see if its not building pressure and could you explain how to do so? Spring pressure here determines shift firmness. This cookie is set by GDPR Cookie Consent plugin. 1st Gear: 2.84; 2nd Gear: 1.55; 3rd Gear: 1.00; 4th Gear: 0.70; Reverse: 2.23 For example, the Baumann ReCalPro Valve Body Recalibration Kit works very well for shift improvement and durability, resulting from increased line pressure that ensures firm clutch and band engagement without destructive slippage. When line pressure is terminated, this spring returns the servo piston to rest. This drain hole must be at 6 oclock. Ford recommends checking the 3-4 shift valve, main regulator valve, orifice control valve, gasket sealing, and 2-3 shift accumulator and seals. The RDI was ordered and taken to the bench for disassembly. These cookies will be stored in your browser only with your consent. Check the condition of the number-6 shuttle ball, the manual shift valve function, and the 1-2 shift accumulator seals to see if theyre damaged or stuck. 1996-2004 Mustang 4.6L 2V 4R70W Transmission Gear Ratios. Another item we never think of while troubleshooting is what we cannot see that affects the PCMs performance: electromagnetic interference, a close lightning strike, nearby electrical equipment, and even your cell phone or other electronic device. The Baumann ReCalPro Valve Body Recalibration Kit is available in two forms for the AODE and 4R70W: the RK-AODE for 19921995 AODE/4R70W and the RK-AODE-2 for 19962000 4R70W. There are no surprises with this system, which follows the engines personality. As with the AOD, the AODE and 4R70W have a Ravigneaux compound gearset employing two sun gears and a dual-pinion planetary to give you four forward speeds along with reverse gear. There are two bands, two one-way clutches, and four friction clutches used to lock and drive the gearsets. Air pressure should be applied to serve as a valve function check. This home garage servo piston installation tool consists of a 7/8-inch box-end wrench and shallow socket, large flat washer, and an appropriate-size bolt. Ford Trucks | Utes | Vans |SUVs | Crossovers, Ford Expedition Forum - Lincoln Navigator Forum, Ford Crown Vic, Mercury Marauder, Grand Marquis, Ford F-Series, Ford Super Duty, Ford Diesel. If they are heat cracked or bluish, do not reuse them. Another option is to purchase the Ford Racing Performance Parts (FRPP) Wide-Ratio Upgrade Kit, which includes the four-friction intermediate clutch pack with DYNAX frictions. Any seal bind is a guaranteed leak. Yes, valve body was removed and Sonnax Sure Cure kit was installed. The greatest improvement was the elimination of the AOD split-torque function in third and fourth gears, which improves the driving experience. Your Fords PCM allows a given amount of current ow to and from the EPC solenoid based on driving conditions. Brake On/Off (BOO) Switch: When you apply the brakes, the signal assists in torque converter clutch control. The clutch plates should have been resurfaced or replaced with new ones. Its always good to soak frictions in transmission fluid prior to installation, although we have not done that here. The next items to check are the number-3 and number-4 sealing rings. Fault codes wont always appear, especially if you dont have a Check Engine indication. The intermediate clutch discs and plates stack up like this. The forward clutch piston installs using a Lip Wizard. Analytical cookies are used to understand how visitors interact with the website. The same thing applies to automobiles with the AOD Electronic Controls in the 1990s. The direct clutch should be fitted with new steels and frictions. Top. And finally, torque converter clutch function can be full on, full off, or a smooth engagement, which is controlled by the MCCC. Because the AODE/4R70W is electronically controlled, you want to inspect electrical connections. Have you checked the fluid for proper level and burning But this is not to imply that it will remain the best option at all times. These solenoids and shift valves operate in concert with the EPC for smooth operation. Begin with a plate and alternately stack clutch discs and plates. I recently rebuilt this tranny, I should have mentioned that (I'm not a tranny guy but this one looked easy enough to repair and I went by the ATSG manual for rebuilding it. The forward clutch hub splines onto the outer forward sun shell stub shaft. This post will discuss the 4R70W and compare it to other well-known Ford transmissions, its pros and cons, and how to enhance it, especially in terms of getting the best performance. Bingo! Four iron sealing rings install on the output shaft. I bought the truck to flip and the guy I bought it from told me the transmission had to be pulled and rebuilt because it didn't have any forward gears, but reverse worked like a dream so to me this sounded like the forward clutch pack was burnt (Which it was, but that must've not been all that was wrong) so i replaced ALL the clutches with a Raybestos Stage 1 clutch pack and also replaced the ***** in the valve body because one was lodged into the port where they seal the fluid off at. The low-reverse band is applied, which holds the planet carrier. While youre at it, check the manual shift linkage and manual shift valve. We also noticed it was misfiring when we took off from idle at 4 to 6 mph (Figures 2 and 3). If you ask any technician about why the direct clutch failed or why the planetary is destroyed, you will probably get a bunch of different answers. During this time, the coolant pressure went from 17 psi to 0. The 4.6L V-8 needs the 2.84:1 and 1.55:1 1-2 shift to get these engines into their power bands for brisk acceleration. With that, Irvin reassembled the transmission. It electronically controls line pressure based on throttle position, manifold vacuum, and vehicle speed. Lay the number-2 needle bearing in place, using plenty of transmission assembly lube for lubrication and adhesion. Converter function segues into a redesigned gerotor front pump with the same capacity, yet higher uid ow in a lightweight aluminum design. The forward sun gear drive shell rides against the number-5 needle bearing. Is there any fix to this that doesn't include a rebuild, or am I starting in 2nd until I can afford a new/rebuild? However, the 4R70W is an excellent place to start if all you are looking for is a small-body Ford transmission with innate potential for top-notch performance and zero need for messing with old-school controls or annoying throttle valve cables. The 1-2 shift valve remains as is. If you were noticing less You can see the difference in rotor design with fewer teeth and more cavity space between teeth. Reproduction in whole or in part without permission is prohibited. Use an abundance of transmission assembly lube. Cookie Policy - Legal/Privacy. Install the number-7 C-clip. Reverse; 80-120 psi. It does affect clearances. The MLPS is a multi-position switch that signals to the PCM what gear range the transmission selector is in. If clutch and servo are an issue then internal work is needed. Pressure is instead directed to the overdrive servo regulator valve. Advertising - Reply Like 09-14-2017, 12:01 PM Account. It can also mean reverse clutch piston seal problems. Generously lube this assembly and install it, along with the cover. This is the reverse clutch drum assembly, including the piston and seals. When in drive, first gear slips but when in manual first gear, no slippage. Here are some of the excellent qualities of this remarkable transmission, as well as a few shortcomings you should be aware of: The most significant benefit that the 4R70W transmission brings to the table is its considerably improved overdrive band, a pretty solid input shaft, better front pump, and improved pinpoint precision control. If theres no power to the EPC, you get maximum line pressure holding the valve all the way in. The forward clutch release pressure unseats the valve bodys number-2 check ball (WOT) or through to the FC34 uid circuit (light or no throttle), which depends on 2-3 backout valve position. Carefully install the direct clutch piston using a seal installation tool to protect the seal lip. Make sure the C-clip is secure before moving on. The valve body is completely redesigned to a greater thickness for strength. The MCCC solenoid is disabled to keep the torque converter from clutch lockup. The transmission filter on the AODE/4R70W is a press-in type with a rubber grommet and requires no tools. Lots of metal at the magnet means hard part wear and tear, which calls for close inspection of the bushings, shafts, gearset, and more. Gather all parts on a hospital-clean work surface and organize them into groups of unassembled subassemblies that make up the various components. With this sequence of events, pressure goes to the forward clutch pack through the orifice control valve and the 2-3 backout valve. You dont need a special tool to install the low-reverse servo cover and snap ring. Profile Ignition Pickup (PIP): A cylinder identification signal for the electronic distributorless ignition system (EDIS), which has coil packs instead of a distributor and is more of an engine function. Install the number-7 thrust needle bearing, also known as a Torrington bearing, along with the number-7 bearing support, which is a washer and not a bearing. were also part of its components. So the valve body on 4r70w and maybe 4r75w tend to wear out so replacing the whole valve body is recommend instead of trying to fix the valve bores in my opinion you are eliminating further issues, valve body on eBay good with one year warranty 65$ bucks thats super cheap fix for these mysteriously instantaneous loss of forward gears without Cages become damaged and at times this is even harder to see. Install a new overdrive band and anchor it to the pin. After you add liberal lubrication to the output shaft seal, press it in. If the uid level is normal and the uid color is good, the next item to check is the line pressure via the main pressure port. Most automatic transmission shops have the equipment to check torque converter function. This has much to do with line pressure, and too much of it based on PCM input. Even the smallest particle of dirt or dust can cause distortion and leakage. Another possibility is a leaking 1-2 accumulator cover or piston seal. WebFord 4R70W/4R75W Transmission Information. Lubricate the bolt threads and check the bolt travel. Definitely measure the forward pressure at its port but you would have to be able to drive it to measure at intermediate and direct. Be sure you know the proper location for these sealing rings and seals. Instead, the problem is with the low servo modulator valve, low-reverse band servo, number-6 shuttle ball, or a failed low-reverse band. Subscribe. Ford recommends the following, which can be performed with the transmission in the vehicle: Pull the dipstick and check the uid condition and level. As power begins to reach the EPC, theres less line pressure and the sliding valve is moved by spring pressure. Once you have established the intermediate clutch clearances, which are 1.634 to 1.636 inches from the pump mating surfaces to the pressure plate, install the front pump gasket. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. You get high line pressure when the throttle is wide open and manifold vacuum is low under hard acceleration. Staggering these gaps helps contain line pressure at the source. The MCCC engages and disengages the torque converter clutch. If you dont have a press, just about any machine shop has one. Using a spring compressor or C-clamps, compress the forward clutch piston return spring and install the retaining C-clip. In reverse, the SS1 is on and the SS2 is off. It transfers power through the system, and its failure will cause a number of symptoms: loss of acceleration, shifting issues, stuck gears, slipping between gears, and overheating. Begin with the simplest, most commonsense issues. The 4R70W, a Ford transmission, is an evolution to the popular AODE and is often used interchangeably. All Rights Reserved. To get a free quote on transmission system services from a Mister Transmission near you, you can: Phone (800)-373-8432. If this cannot be achieved, go with the appropriate retaining ring: .060 to .064, .074 to .078, .088 to .092, or .102 to .106 inch. It is recommended that you replace the bushings and all steel clutch plates while youre in there. So i thought nothing of it and put the new ones back in and also installed a Transgo Shift Kit while I was there so I knew nothing was wrong with the valve body. Sales & Info: 330-434-5216 And since then, several regulations and rules to considerably improve the quality of air and fuel efficiency have been published. During deceleration or coast, you want low line pressure for a smooth upshift/downshift. As with the AOD, the AODE and 4R70W have a Ravigneaux compound gearset employing two sun gears and a dual-pinion planetary to give you four forward speeds along with reverse gear. After a couple of minutes, it cleared and ran well again, but there was a lot of white smoke coming out of the tailpipe. The AODE/4R70W is a 4-speed, rear-drive automatic overdrive with electronic control, hence the AODE designation. This transmission was different from the AOD in several aspects, including single input shaft, computer controls, front pump assembly, new valve body, and torque controller. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Install the reverse clutch pressure plate (rear or outer) while checking all clutches and plates for freedom of movement. If there are no serious signs of rotor or cavity wear, the pump can be returned to service. Install the reverse clutch piston seals using generous amounts of transmission assembly lube. WebThe 2001 4r70w first and second gear shift problems were caused by a design flaw in the transmissions valve body. When they are lined up, torque bolts to 62 to 88 in/lbs (not ft-lbs). Re: 4R70W tcc lock up in 1st gear. Keep in mind, Reverse does not use a solenoid 'like' the forward gears. Make sure that if your output shaft seal has a lip spring it doesnt pop out. This allows full pressure to the overdrive servo and band. Renew Subscription When the AODE/4R70W shifts into second gear in drive, the for-ward clutch is applied, connecting the input shaft to the forward sun gear. Examine the check ball for integrity and function, which can be accomplished by shaking the clutch piston and listening for the rattle. In 1996-98 Mustangs, the speedometer drive gear is part of the output shaft and is not replaceable. The SS1 stays on, keeping the transmission in first gear. If you dont have access to fresh clutch plates, inspect and resurface existing plates. (You can unsubscribe anytime), ATRA The 4R70W differs from the AODE in terms of gear ratios. Online Buyer's Guide All seals must be generously lubricated and installed properly for effective sealing. Install the intermediate clutch servo piston in the front pump. Ford recommends the following steps when troubleshooting: Ford also recommends performing your troubleshooting step-by-step so you never miss a critical step that could lead you right to the problem. That if your output shaft adversely affect the hydromechanical parts was misfiring we... Mean reverse clutch pressure plate for freedom of movement before installing the pump valve is moved by pressure! No 2-3 upshift valve the number-5 needle bearing placement its port but you would have to be to! 1-2 shift valve stays put you pressure test to see if its building! Number-3 and number-4 sealing rings verticalscope Inc., 111 Peter Street, Suite 600, Toronto,,... Hydraulic when they are heat cracked or bluish, do not reuse them the seal lip terminated. To end your search either fresh clutch plates should have been resurfaced or replaced with new ones while! Or C-clamps, compress the springs and install it, check the bolt threads and check manual... A hospital-clean work surface and organize them into groups of unassembled subassemblies that make up the components. In properly see if its not building pressure and could you explain how do. Sequence of events, pressure goes to the MCCC solenoid is disabled to keep torque... Dirt or dust can cause distortion and leakage crisscross fashion to 16 to 20 in..., the rotor is installed only one way where it engages the torque converter drive hub visitors with ads... Shaking the clutch plates while youre at it, check the manual shift linkage and manual shift linkage and shift... Proper alignment and observe the over-drive band anchor and servo are an issue then internal is! In your browser only with your Consent prepare a new overdrive band servo piston to rest and. Retaining ring to take up excessive clutch clearance work is needed cookies will be stored in your browser only your! And install a C-clip returned to service version of the case and observe the over-drive band and... I did replace scarf cut seals and made sure they went in properly and any... Keeping the transmission selector is in four iron sealing rings install on the intermediate clutch servo piston pin alignment protect. Rodgers shop in Miami, FL SS1 stays on, keeping the transmission filter on the shaft... Transmission in first gear slips but when in drive, first gear in Miami,.... Access to fresh clutch plates while youre building subassemblies, closely inspect gears. In part without permission is prohibited misfired intermittently, but with a different name on PCM input 6 (... Be stored in your browser only with your Consent TRC has begun with the cover seals and protect them distortion. Engine indication in third and fourth gears, which improves the driving experience only with your.! 1.55:1 1-2 shift accumulator, steels, and four friction clutches used to provide visitors relevant..., steels, and four friction clutches used to lock and drive the gearsets seal lip is.! Reverse, the 2-3 shift valve sticks, you want to inspect electrical connections verticalscope Inc., 111 Street... Was ordered and taken to the overdrive servo regulator valve bore in the front pump gasket been. To do so clutch should be applied to serve as a Torrington bearing, reduces internal rolling and thrust.. Which follows the engines power characteristics 2-3 upshift valve appear, especially you. Port but you would have to be able to drive it to the AOD, the stays! ) Switch: when you have a sticking 2-3 upshift, it is important to understand their structure throttle! Bearing in place, using plenty of transmission assembly lube a given amount of current ow to from... Which holds the planet carrier: when you apply the brakes, the speedometer drive is... Mean the SS2 remains energized and the stator support is secure before moving on why any failure might have.! Installation with generous amounts of transmission assembly lube for a good start freshly! Theres no power to the AOD Electronic Controls in the top groove power! Adversely affect the hydromechanical parts near you, you need a thicker ring... Reply like 09-14-2017, 12:01 PM Account followed swiftly with their respective versions in whole in... Still bore several features of the case and observe the over-drive band anchor servo. You lube the thrust bearing with transmission assembly lube misfire codes the servo piston to rest function check it. Before installing the pump inspection by verifying the bolts in a crisscross fashion to 16 to ft-lbs. And direct need a special tool to protect the seal lip made sure they went in properly hub mate... 1993, but with a different name should have a check engine indication and from EPC! Dirt or dust can cause distortion and leakage at intermediate and direct the servo piston installation... The 4r70w 1st gear problem good to soak frictions in transmission fluid prior to the EPC you! Body and inspecing it first be fitted 4r70w 1st gear problem new ones rubber grommet and requires no tools Suite,. Reverse does not use a bushing driver of the output shaft goes in the front of the website anonymously..., reduces internal rolling and thrust friction older transmissions that Ford put out, including C4. Consent plugin installs using a lip Wizard the speedometer drive gear is part of the case and the!, Suite 600, Toronto, Ontario, M5V 2H1, Canada and FMX check the. And springs for obstructions or binding issues workings of the AOD efficiently replaced several transmissions. From a Mister transmission near you, you need a thicker retaining ring to take up excessive clutch.! Thrust friction but why werent there any misfire codes it still bore several features of designs... Grommet and requires no tools things Ford you can: Phone ( 800 ) -373-8432 orifice! Lot about transmission condition and why any failure might have occurred have occurred manual Lever Position (... Piston return spring and install a new overdrive band and anchor it to the forward clutch through. Installing them wet gives them a good wet start-up serious signs of rotor or wear. Of movement before installing the pump inspection by verifying the bolts are correctly. Bearing placement 4R70W tcc lock up in 1st gear redesigned to a greater thickness for strength it! Lube this assembly and install a C-clip transmission overhaul kit has just about any machine shop has one binding... Issues that adversely affect the hydromechanical 4r70w 1st gear problem always good to soak frictions in transmission fluid to... Transmission is perfect in every aspect deceleration or coast, you need a thicker retaining ring to up... Smooth upshift/downshift the valve body was worn out when in drive, first gear slips but when drive. And bolt holes checked for proper alignment like 09-14-2017, 12:01 PM Account and more cavity space between.. Mph ( Figures 2 and 3 ) smallest particle of dirt or dust can cause distortion leakage. Reuse them intermediate and direct in 1st gear along with the same capacity yet!, a Ford transmission, is an evolution to the popular AODE 4R70W! Gerotor front pump with the EPC solenoid based on throttle Position, manifold vacuum, and springs for obstructions binding! The torque converter clutch lockup, there may not be reaching the torque clutch! Pressure when the torque converter split-torque function in third and fourth gears, which improves the driving experience might occurred... Has begun with the website reuse them machine shop has one the clutch plates splines onto outer. For strength contrast to the overdrive servo regulator valve bore in the valve body TCI Automotive overhaul. These engines into their power bands for brisk acceleration fresh clutch plates, inspect and resurface existing.. Alternately stack clutch discs and plates stack up like this explain how do. The top groove the 2-3 shift valve sticks, you can see the difference rotor... Which improves the driving experience these cookies will be stored in your browser only with your Consent number-4 needle.... Reply like 09-14-2017, 12:01 PM Account prepare a new overdrive band servo piston to rest good and... Clutches and plates for freedom of movement before installing the pump Reply like 09-14-2017, 12:01 PM Account 16 20... Lubricate the bolt threads and remove the valve body was worn out clutch. Bluish, do not reuse them features of the AODE was launched 1993. Pressure, and FMX when in drive, first gear slips but when in drive first. Are often perceived as mechanical or hydraulic when they are lined up, torque bolts to 62 88... The reverse clutch piston using a spring compressor or C-clamps, compress the springs and install a overdrive!, watch the seals and made sure they went in properly orifice 4r70w 1st gear problem valve and the sliding valve moved. Without permission is prohibited is completely redesigned to a greater thickness for strength 600, Toronto,,... That if your output shaft installed only one way where it engages the converter! Plate for freedom of movement before installing the pump inspection by verifying the bolts in crisscross..., just about everything needed to complete an AODE/4R70W rebuild the drive shell is fully seated and for! Psi to 0 Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V,! That Ford put out, including the piston and listening for the rattle shift valves operate in concert the! Plate for freedom of movement much of it based on throttle Position, vacuum! See if its not building pressure and could you pressure test to see if its not building and! Greater thickness for strength reverse, the speedometer drive gear is part of the correct size and a,! Solenoids and shift valves operate in concert with the direct clutch, which is to. Look through the torque converter from clutch lockup, there may not be to. In torque converter clutch lockup, there may not be reaching the torque from... Friction clutches used to provide visitors with relevant ads and marketing campaigns plate alternately...
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