Automatic Trans: Overhaul: Transaxle: Reassembly
CAUTION:
Never reuse the gasket, O-ring, oil seal, etc. Always replace with a new one when reassembling.
CAUTION:
Never use grease other than blue petrolatum jelly and white Vaseline.
CAUTION:
Apply ATF to friction components, rotating parts, and sliding parts before installation. Immerse a new clutch disc or brake disc in ATF for at least two hours before assembling them.
CAUTION:
Never apply sealant or adhesive to gaskets.
CAUTION:
When replacing a bushing, replace the assembly which it belongs to.
CAUTION:
Never use any cloth gloves or any rags during reassembly. Use nylon cloth or paper towels if you need to use something.
CAUTION:
Change the oil in the cooler system.
- Use the special tools to tap the differential bearing outer race in the transaxle case.
- Use the special tools to tap the output shaft bearing outer race in the transaxle case.
- Install the used spacer and snap ring.
- Install the transfer gear, low-reverse brake piston, return spring, and spring retainer, one-way clutch and O-ring.
- Use the special tools to install the snap ring.
- Install the wave spring.
- Replace the pressure plate of the low-reverse brake with the special tool, and then install the (6) brake discs, (5) brake plates and snap ring as shown in the figure.
- Install the reaction plate and the used snap ring.
- Move the special tool to measure the end play, and then replace the snap ring installed in step (8) to adjust the end play to standard value.
- Standard value: 0 - 0.16 mm (0 - 0.0063 in.)
- Replace the pressure plate of the second brake with the special tool, and then install the brake disc and brake plate as shown in the figure.
- Install the return spring, second brake piston and snap ring.
- Move the special tool (MB991632) to measure the end play.
- Standard value: 1.09 - 1.55 mm (0.042 - 0.06 in.)
Remove the special tool. Use the following formula to determine the proper thickness range for the pressure plate. Install the correct size pressure plate based on your calculations.
- Reference: Pressure Plate Thickness
A=Special tool end play measurement determined earlier in this step.
- Metric values: [A+2.0 mm) - 1.55 mm] to [(A+2.0 mm) - 1.09 mm]
- English values: [(A+0.079 in.) - 0.061 in.] to [(A+0.079 in.) - 0.042 in.]
- Turn the transaxle over.
- Install the special tool (MD998913) in a dial gauge, and then move the special tool (MB991632) to measure the axial play.
- Standard value: 1.65 - 2.11 mm (0.065 - 0.08 in.)
- Reference: Pressure Plate Thickness
A=Special tool end play measurement determined earlier in this step.
- Metric values: [(A+2.0 mm) - 2.11 mm] to [(A+2.0 mm) - 1.65 mm]
- English values: [(A+0.079 in.) - 0.08 in.] to [(A+0.079 in.) - 0.065 in.]
- Remove the parts installed from steps (6) to (14).
- Tighten the mounting bolts of the output shaft bearing retainer to the specified torque.
- Standard value: 23 Nm (17 ft.lbs.)
- Install the output shaft in the transaxle case, and then use the special tool to install the collar and taper roller bearing in the output shaft.
- Apply ATF to a new lock nut, and use the special tool to tighten the lock nut to the specified torque. Then turn back one turn, and tighten to the specified torque again.
- Standard value: 167 Nm (123 ft.lbs.)
CAUTION: The lock nut has left-handed threads. - Move the output shaft to measure operating amount (A), and then replace the spacer installed in step (3) with a new one which thickness is within the following value.
- A=Operating amount
- B=Thickness of the old spacer
- Metric values: [A+B+0.015 mm] to [A+B+0.075 MM]
- English values: [A+B+0.0006 in.] to [A+B+0.003 in.]
- Prevent the lock nut from turning by staking it in two places.
- Install the cap as shown in the figure.
- Use the special tool to install the transfer drive gear.
- Tighten the eight mounting bolts of the transfer drive gear to the specified torque.
- Standard value: 34 Nm (25 ft.lbs.)
- Install the parking pawl, spacer, and spring. Then install the parking pawl shaft.
- Install the parking roller support, and then the two parking roller support shafts.
- Install the planetary carrier assembly.
IDENTIFICATION OF THRUST BEARINGS, THRUST RACES, AND THRUST WASHERS
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
- Install the planetary reverse sun gear.
- Install the wave spring.
- Install the pressure plate, brake disc, and brake plate.
- 30 Install the snap ring.
- Install the reaction plate.
- Install the snap ring.
- Install the brake disc, brake plate, and pressure plate.
- Install the return spring and second brake piston.
- Install the snap ring.
- Install the thrust bearing #5.CAUTION: Be sure to install the thrust bearing in the correct direction.
- Install the overdrive clutch hub and thrust bearing #6 to the reverse and overdrive clutch.CAUTION: Be careful about the installation direction of the thrust bearing.
- Install the reverse and overdrive clutch, and thrust bearing #7.CAUTION: Be careful about the installation direction of the thrust bearing.
- Install the three O-rings.
- Install the input shaft bearing.
- Install the four seal rings.CAUTION: There are two types of seal rings, with and without identification color. Be sure to install them to their correct positions.
- Install used thrust race #8, and then the rear cover.
- Measure end play of the underdrive sun gear. Replace the thrust race installed in step (44) to adjust the play to the standard value. Refer to the chart on
OIL PUMP for the appropriate parts number.
- Standard value: 0.25 - 0.45 mm (0.0098 - 0.0177 in.) NOTE: Installing the underdrive clutch hub makes it easy to measure the end play of the underdrive sun gear.
- Standard value: 0.25 - 0.45 mm (0.0098 - 0.0177 in.)
- Squeeze out the liquid gasket and apply it to the shown points of the rear cover.
- Liquid gasket: MITSUBISHI genuine sealant Part No. MD974421 or equivalent NOTE: Be sure to install the case quickly while the sealant is wet (with 15 minutes).NOTE: After installation, keep the sealed area away from the oil for approx. 1 hour.
- Liquid gasket: MITSUBISHI genuine sealant Part No. MD974421 or equivalent
- Install the rear cover, and tighten its mounting bolts to the specified torque.
- Install the underdrive clutch hub.
- Install thrust bearing #2.CAUTION: Be sure to install the thrust bearing in the correct direction.
- Hold the input shaft, and install the underdrive clutch.
- Install the used thrust washer #1.
- Use the special tool to install a new oil pump gasket and oil pump.
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CAUTION: Never reuse the old gasket. - Tighten the oil pump mounting bolts to the specified torque.
- Standard value: 23 Nm (17 ft.lbs.)
- Measure end play of the input shaft. Replace the thrust washer installed in step (51) to adjust the play to the standard value. Refer to the chart on
OIL PUMP for the appropriate parts number.
- Standard value: 0.70 - 1.45 mm (0.0276 - 0.0569 in.)
- Install the oil filter.
- Install the differential.
- Place solder (approx. 10 mm (0.39 in.) in length, 3 mm (0.12 in.) in diameter) on the torque converter housing as shown in the figure.
- Install the torque converter housing to the transaxle case without applying sealant. Tighten its mounting bolts to the specified torque.
- Standard value: 47 Nm (35 ft.lbs.)
- Loosen the bolts, and remove the solder.
- Use a micrometer to measure the thickness of the pressed solder. Select a spacer which thickness is within the following value. Refer to the chart on
OIL PUMP for the appropriate parts number.
- [T + 0.045 mm (0.0018 in.)] to [T + 0.105 mm (0.0041 in.)]
- Install the spacer selected in the above step.
- Assemble the spacer selected in step (60) to the torque converter housing. Use the special tool to press in the outer race.
- Squeeze out the liquid gasket and apply it to the shown area of torque converter.
- Liquid gasket: MITSUBISHI genuine sealant Part No. MD974421 or equivalent NOTE: Be sure to install the case quickly while the sealant is wet (with 15 minutes).NOTE: After installation, keep the sealed area away from the oil for approx. 1 hour.
- Liquid gasket: MITSUBISHI genuine sealant Part No. MD974421 or equivalent
- Install the two O-rings.
- Install the torque converter, and then tighten its 18 mounting bolts to the specified torque.
- Standard value: 47 Nm (35 ft.lbs.)
- Install the manual control lever shaft and parking pawl rod.
- Install the manual control lever shaft roller.
- Install the accumulator pistons, new seal rings, and springs.NOTE: The accumulator springs are identified as shown in the figure.
- Install the strainer and second brake retainer oil seal.
- Install the solenoid valve harness, and then secure the snap ring to the connector groove.
- Install the valve body, gasket, and two steel balls.
- Install the fluid temperature sensor.
- Install the 28 valve body mounting bolts.
- Connect the valve body connectors.
- Install the manual control shaft detent.
- Apply the liquid gasket to the valve body cover.
- Liquid gasket: MITSUBISHI genuine sealant Part No. MD974421 or equivalent NOTE: Be sure to install the case quickly while the sealant is wet (with 15 minutes).NOTE: After installation, keep the sealed area away from the oil for approx. 1 hour.
- Liquid gasket: MITSUBISHI genuine sealant Part No. MD974421 or equivalent
- Install the valve body cover, and then tighten its mounting bolts to the specified torque.
- Standard value: 11 Nm (8.0 ft.lbs.)
- Install the park/neutral position switch and manual control lever.
- Install the input shaft speed sensor and output shaft speed sensor.
- Install the eye bolt with a new gasket.
- Install the oil cooler feed tube.
- Install the oil dipstick.
- Install the bracket.
- Install the torque converter, and secure it so that the shown dimension (A) meets the reference value.
- Reference value: approx. 9.4 mm (0.37 in.)
CAUTION: Apply ATF to the oil pump drive hub before installing the toque converter. Be careful not to damage the oil seal lip when installing the torque converter.