Automatic Transmission - Cd4E: Assembly: Transaxle: Assembly
- Prepare the transaxle for assembly by proceeding with the following steps:
- Clean all parts (except the friction plates, seals and intermediate/overdrive band) in solvent.
- Dry all parts with moisture-free regulated compressed air (do not use shop towels).
- Lubricate all internal parts (including friction plates) with clean automatic transmission fluid.
- Make sure the complete assortment of selective thickness parts are on hand for adjustments during assembly:
- Drive sprocket thrust washers.
- Driven sprocket thrust bearing shims.
- Differential case thrust bearing shims.
- Low/reverse clutch pressure plates.
- During assembly, use petroleum jelly to hold the parts in place (do not use grease).
- Lightly coat bolt and nut threads with automatic transmission fluid for correct installation torque specifications.
- Install intermediate and overdrive band assembly into the transaxle case.
- Install the pump assembly into the case.
- Install the pump assembly bolts.
- Tighten to 11 Nm (8 lb-ft).
- Using the special tools, install the low/reverse clutch piston.
- Lubricate seals and piston bore with clean automatic transmission fluid.
- Install the low/reverse clutch return spring assembly.
- Install a new low/reverse clutch return spring retaining ring.
- Install the low/reverse clutch wave spring.
- Install the low/reverse clutch plates.
- Install the low/reverse clutch external spline (steel) clutch plates.
- Install the low/reverse clutch internal spline (friction) clutch plates.
- Install the thin 8-wave low/reverse clutch cushion spring.
- Install the low/reverse clutch pressure plate.
- Install the special tool.
- Measure the clearance between the low/reverse clutch pressure plate and the transmission end play gauge.
- Take a second measurement on the opposite side.
- Average the 2 measurements to get the clearance.
- If the clearance is not within specification, select and fit the correct thickness pressure plate to obtain the specified clearance.
- Pressure plate sizes:
- 2.57-2.46 mm (0.101-0.097 in).
- 2.36-2.26 mm (0.092-0.089 in).
- 2.16-2.06 mm (0.085-0.081 in).
- Remove the special tool, the low/reverse clutch pressure plate, the low/reverse clutch external spline clutch plates (steel), the low/reverse clutch wave spring and the low/reverse clutch internal spline clutch plates (friction).
- Low/reverse clutch pressure plate.
- Low/reverse clutch external spline clutch plates (steel).
- Low/reverse clutch wave spring.
- Low/reverse clutch internal spline clutch plates (friction).
- Install the No. 1 pump support thrust bearing assembly.
- Install the forward/coast/direct clutch cylinder assembly and reverse clutch drum assembly.
- Install the turbine shaft.
- Install the No. 4 turbine shaft thrust bearing.
- Install the forward one-way clutch and low/intermediate sun gear assembly.
- Install the No. 5 low/intermediate sun gear thrust bearing.
- Install the low/intermediate carrier assembly.
- Install the No. 6 low/intermediate carrier thrust bearing.
- Install the low/intermediate ring gear assembly.
- Install the No. 7 reverse/overdrive sun gear thrust bearing.
- Install the reverse/overdrive sun gear and shell assembly.
- Install the reverse/overdrive carrier assembly with the captured No. 8 thrust bearing.
- Install the thick, 10-wave low/reverse clutch wave spring.
- Install the low/reverse clutch plates (model dependent).
- Install the low/reverse clutch external spline (steel) clutch plates.
- Install the low/reverse clutch internal spline (friction) clutch plates.
- Install the low/reverse clutch pressure plate previously selected.
- Install the thin, 8-wave low/reverse clutch wave spring.
- Install the mechanical diode one-way clutch with the rubber isolators in the positions indicated.
- Install the low one-way clutch retaining ring.
- Install the manual valve detent lever actuating rod assembly.
- Install the parking cam actuator lever.
- Install the manual valve detent lever.
- Install the special tools.
- Tighten to 13 Nm (10 lb-ft).
- Install the special tool with short spacers.
- Using the special tools, measure the distance from the top of special tool to the No. 12 driven sprocket bearing surface area.
- Record this as dimension A.
- Using the special tools, measure the distance from the top of the special tool to the bearing surface on the reverse/overdrive carrier assembly on one side of the turbine shaft.
- Repeat this measurement on the other side of the turbine shaft 180 degrees from the first measurement.
- The average of these 2 dimensions is dimension B.
- Remove the special tools.
- Subtract dimension B from dimension A to get dimension C.
- Use dimension C to select the correct No. 11 driven sprocket shim.
- Select a shim from the driven sprocket shim chart.DRIVEN SPROCKET ALIGNMENT SHIM NO. 11
Shim Size mm Inch Transaxle case to driven sprocket/final drive sun gear thrust bearing shim AB: 2.20-2.10 0.086-0.082 Transaxle case to driven sprocket/final drive sun gear thrust bearing shim BB: 2.02-1.92 0.079-0.075 Transaxle case to driven sprocket/final drive sun gear thrust bearing shim CB: 1.85-1.75 0.072-0.068 Transaxle case to driven sprocket/final drive sun gear thrust bearing shim DB: 1.67-1.57 0.065-0.061 Transaxle case to driven sprocket/final drive sun gear thrust bearing shim EB: 1.50-1.40 0.059-0.052 Transaxle case to driven sprocket/final drive sun gear thrust bearing shim FB: 1.32-1.22 0.051-0.048 Distance measured during gauging procedure and appropriate thrust bearing shim AB: 14.34-14.1 0.564-0.557 Distance measured during gauging procedure and appropriate thrust bearing shim BB: 14.16-14.00 0.557-0.551 Distance measured during gauging procedure and appropriate thrust bearing shim CB: 13.99-13.83 0.551-0.544 Distance measured during gauging procedure and appropriate thrust bearing shim DB: 13.82-13.66 0.544-0.537 Distance measured during gauging procedure and appropriate thrust bearing shim EB: 13.65-13.49 0.537-0.531 Distance measured during gauging procedure and appropriate thrust bearing shim FB: 13.48-13.32 0.531-0.524
- Select a shim from the driven sprocket shim chart.
- Install and lubricate the following:
- Lubricate the needles and seals in the No. 18 driven sprocket bearing.
- Install the selected No. 11 driven sprocket shim.
- Install the No. 12 driven sprocket bearing.
- Install the No. 9 reverse/overdrive ring gear thrust bearing.
- Install the reverse/overdrive ring gear assembly.
- Install the special tools.
- Tighten to 13 Nm (10 lb-ft).
- Install the special tool with short spacers.
- Using the special tools, measure the distance from the top of the special tool to the face of the reverse/overdrive ring gear assembly surface area.
- Repeat this measurement 180 degrees from the first measurement.
- The average of these 2 dimensions is dimension A.
- Remove the special tools.
- Subtract 25.4 mm (1.00 in) thickness of the special tool and the thickness of the short spacers.
- This is the dimension B.
- Subtract dimension A from dimension B.
- This is dimension C.
- Select No. 10 thrust washer from the drive sprocket thrust washer chart.
- Use dimension C to select the No. 10 drive sprocket thrust washer.DRIVE SPROCKET ALIGNMENT NO. 10 THRUST WASHER
No.10 Thrust Washer mm Inch Drive sprocket-to-converter housing thrust washer AA: 1.51-1.41 0.059-0.052 Drive sprocket-to-converter housing thrust washer BA: 1.77-1.67 0.069-0.065 Drive sprocket-to-converter housing thrust washer CA: 2.03-1.93 0.079-0.075 Drive sprocket-to-converter housing thrust washer DA: 2.29-2.19 0.090-0.086 Distance measured during gauging procedure and appropriate thrust washer AA: 1.12-0.86 0.044-0.033 Distance measured during gauging procedure and appropriate thrust washer BA: 0.85-0.60 0.033-0.023 Distance measured during gauging procedure and appropriate thrust washer CA: 0.59-0.34 0.023-0.013 Distance measured during gauging procedure and appropriate thrust washer DA: 0.33-0.08 0.012-0.003
- Use dimension C to select the No. 10 drive sprocket thrust washer.
- Use petroleum jelly and install the selected No. 10 drive sprocket thrust washer on the torque converter housing.
- Remove the reverse/overdrive ring gear assembly.
- Install the filter and seal assembly.
- Install the special tool in the filter eyelet and transaxle hole.
- Using the special tool, install the filter recirculating regulator exhaust seal.
- Install the chain pan in the transaxle case.
- Assemble and install the drive chain assembly.
- Drive chain (copper colored link facing upward).
- Driven sprocket assembly.
- Reverse/overdrive ring gear assembly.
- Verify that the driven sprocket assembly and reverse/overdrive ring gear assembly are seated.
- Install the chain pan cover by snapping it into place.
- Install the No. 13 driven sprocket thrust bearing.
- Install the final drive carrier and differential assembly.
- Install the special tools.
- Install the special tool.
- Install the special tool and bolts.
- Tighten to 13 Nm (10 lb-ft).
- Using the special tools, measure the distance from the top of the special tool to the shim surface area of the final drive carrier and the differential assembly on one side of the hub.
- The special tools must be relocated to carry out the second measurement.
- Repeat this measurement 180 degrees from the first measurement.
- The average of these 2 dimensions is dimension B.
- Use combined thickness of the special tool with long spacers 177.8 mm (7.0 in) as dimension A.
- Subtract dimension B from dimension A. This is dimension C.
- Use dimension C to select the correct No. 14 differential bearing shim from the differential bearing shim chart.DIFFERENTIAL END PLAY NO. 14 SHIM
If Dimension C is: Use No. 14 Differential Shim: 130.76 to 130.46 mm (5.148 to 5.136 in) 1.08 to 0.98 mm
(0.042 to 0.038 in)130.45 to 130.16 mm (5.136 to 5.124 in) 1.38 to 1.28 mm
(0.054 to 0.050 in)130.15 to 129.87 mm (5.124 to 5.113 in) 1.67 to 1.57 mm
(0.065 to 0.061 in)129.86 to 129.57 mm (5.113 to 5.101 in) 1.97 to 1.87 mm
(0.077 to 0.073 in)129.56 to 129.27 mm (5.101 to 5.089 in) 2.27 to 2.17 mm
(0.089 to 0.085 in) - Install the differential bearing assembly.
- Install the No. 14 differential bearing shim (selective fit).
- Install the No. 15 differential bearing.
- Install the torque converter housing onto the transaxle case.
- Position and install the split flange gasket.
- Install the torque converter housing-to-transaxle case bolts.
- Tighten to 23 Nm (17 lb-ft).
- Lubricate the assembly with clean transmission fluid.
- Install the intermediate and overdrive servo return spring assembly onto the servo piston assembly.
- Install the intermediate and overdrive servo apply rod and piston assembly.
- Install the overdrive servo apply rod spring.
- Install the special tool.
- Assemble the special tool.
- Install the struts.
- Install the bar.
- Install the bolts.
- Install the center bolt.
- Tighten to 4 Nm (35 lb-in).
- Using the special tool, measure the distance to the bar of special tool.
- Record this as dimension A.
- Back off the center bolt of the special tool until the piston movement stops.
- Using the special tool, measure the dimension to the bar of the special tool, record as dimension B.
- Subtract dimension A from B to find the travel.
- If the travel is not within the specification, select a new intermediate and overdrive servo apply rod assembly.INTERMEDIATE/OVERDRIVE SERVO APPLY ROD
Part Number Number of Rings Rod Length F3RP-7H188-CB 0 108.1 mm
(4.25 in)F3RP-7H188-BB 1 107.1 mm
(4.21 in)F3RP-7H188-AB 2 105.7 mm
(4.16 in)
- Wipe the servo piston and the servo cover cap with a lint-free cloth.
- Inspect the servo piston for cracks on its pressure surfaces and in the sealing area. Look for damage near the point where the servo piston attaches to the servo rod.
- Squeeze the servo piston lip to check for flexibility. If the lip feels brittle, install a new piston.
- Inspect the servo retainer spring for cracks, breaks or deformation.
- Install the special tool.
- The WG stamp is located on the case toward the passenger side of the overdrive servo. The letters WG are etched into the case and hard to see.
- Tighten the special tool bolt.
- Install the servo cover retaining ring, using retaining ring pliers.
- Loosen the special tool bolt.
- When spring tension is released, remove the special tool.
- Using the special tool, inspect the hydraulic circuits. Use a rubber-tipped blow gun and 276 kPa (40 psi) of moisture-free regulated compressed air.
- Reverse clutch test port.
- Forward clutch test port.
- Direct clutch test port.
- Low/reverse clutch test port.
- Servo release test port.
- Servo apply test port.
- Transmission air test plate.
- If air leakage is detected, disassemble the transaxle and locate source of leakage.
- Install the thermostatic fluid level control valve.
- Position the thermostatic fluid level control valve.
- Install the bracket.
- Install the thermostatic fluid level control valve bracket bolt.
- Tighten to 12 Nm (9 lb-ft).
- Install the solenoid body electrical connector O-ring seal and install the electrical connector into its bore in the transaxle case.
- Connect the manual valve.
- Lift the main control away from the case.
- Connect the Z-link to the manual valve.
- Install the main control valve body mounting bolts.
- Tighten to 10 Nm (89 lb-in).
- Install the manual control lever.
- Tighten to 27 Nm (20 lb-ft).
- Rotate the manual valve detent lever assembly to the NEUTRAL position.
- Low 1.
- Low 2.
- Drive.
- Neutral.
- Reverse.
- Park.
- Position the transmission range (TR) sensor.
- Using the special tool, align the TR sensor and tighten the bolts.
- Tighten to 11 Nm (8 lb-ft).
- Install the main control cover gasket.
- Install the main control valve body cover and bolts.
- Tighten to 13 Nm (10 lb-ft).
- Install the vent tube.
- Install a new transmission filler tube grommet.
- Install the transmission filler tube assembly.
- Install the tube.
- Install the transmission filler tube bolt.
- Tighten to 8 Nm (71 lb-in).
- Install the fluid level indicator.
- Install a new O-ring seal on the turbine shaft speed (TSS) sensor and install the sensor.
- Using petroleum jelly on the O-ring seal, position the TSS sensor into the case.
- Install the TSS sensor bolt.
- Tighten to 12 Nm (9 lb-ft).
- Using the special tool, install the LH differential seal.
- If the vehicle is equipped with a power transfer unit (PTU), use the special tools to install the RH differential seal.
- If the vehicle is not equipped with a PTU, use the special tools to install the RH differential seal.
- Using the special tool, install the torque converter fluid seal.
- Coat the torque converter seal garter spring with petroleum jelly.
- Using a small amount of pipe sealant on the threads, install the transaxle drain plug.
- Tighten to 25 Nm (18 lb-ft).
- Install the pump driveshaft.
- Using the special tool, install the torque converter.
- Check the installation depth of the torque converter.
- Lay a straightedge on the transaxle converter housing.
- Check the clearance between the straightedge and the pilot hub.
- Clearance is 17 mm (0.66 in).
- Remove the transaxle from the special tool.
NOTE:
Apply a thin coat of petroleum jelly to the pump support seals and to the pump bore in the transaxle. Lubricate the seal rings with clean automatic transmission fluid.
NOTE:
Tighten the bolts in the indicated sequence.
CAUTION:
The low/reverse clutch wave spring is fitted in this position for measurement purposes only.
Fig 10: Measuring Clearance Between Low/Reverse Clutch Pressure Plate And Transmission End Play Gauge With Specification
NOTE:
One tooth of the low/reverse clutch pressure plate is notched for identification.
Fig 11: Identifying Low/Reverse Clutch Pressure Plate, Low/Reverse Clutch External Spline Clutch Plates (Steel)
NOTE:
Remove the seal sizer from forward/coast/direct clutch cylinder.
NOTE:
Do not use a thrust plate with the mechanical diode one-way clutch.
NOTE:
Make sure to position the low one-way clutch retaining ring as shown.
Fig 34: Measuring Distance From Top Of Special Tool To Bearing Surface On Reverse/Overdrive Carrier Assembly
NOTE:
Installation of the reverse/overdrive ring gear assembly at this time is for measurement purposes only.
Fig 40: Measuring Distance From Top Of Special Tool To Face Of Reverse/Overdrive Ring Gear Assembly Surface Area
NOTE:
Refer to the following illustration for correct tool usage.
NOTE:
Lubricate the filter recirculating regulator exhaust seal before installation.
NOTE:
The all wheel drive differential is shown. The front wheel drive differential may or may not have splines.
NOTE:
Plastic washers should be placed between bolt heads and special tool.
NOTE:
Check for correct alignment of the lube tube on the converter housing.
NOTE:
Tighten the bolts in the indicated sequence.
NOTE:
Note the number of grooves on the intermediate and overdrive servo apply rod.
NOTE:
Struts on the special tool fit into the servo cover retaining ring groove.
CAUTION:
Do not clean the rubber sealing surfaces of the servo piston and servo cover cap with cleaning solvent, or damage to the sealing surface may result.
CAUTION:
If the case is stamped WG, install a wide-groove snap ring or damage to the servo will result.
CAUTION:
Do not use a screwdriver to install the retaining ring or damage to the case may occur. Use only snap ring pliers to install the retaining ring.
NOTE:
If the servo cover will not seat deep enough in the bore to install the servo cover retaining ring, use a blunt punch or small hammer and gently tap the cover around the outer edge until the servo cover retaining ring can be installed.
CAUTION:
Do not check the coast clutch since the piston may be forced out of the forward clutch piston.
NOTE:
If any leaks occur, make sure the special tool is correctly seated.
CAUTION:
Do not pull wires or damage the solenoid body electrical connector. Damage to the connector and terminals can result.
CAUTION:
Handle main control valve body with care to prevent manual valve damage.
NOTE:
Tighten bolts in sequence shown. Bolts 1, 7 and 9 are longer than the others.
NOTE:
The main control cover gasket is a reusable type. Inspect the gasket for damage. Install a new gasket as necessary.
NOTE:
Tighten the bolts and studs in the indicated sequence.
NOTE:
The cooler bypass valve studs are in locations 3 and 11.
NOTE:
Make sure the torque converter seal garter spring does not become dislodged during fitting. If the garter spring does become dislodged, install a new torque converter seal.
NOTE:
Check for correct rotation of the pump driveshaft.
NOTE:
The torque converter hub must be fully seated into the transaxle pump drive gear.