Oil Pump Cover
Oil Pump CoverREMOVAL
1. Remove the transmission assembly from vehicle.
2. Pull out the torque converter assembly.
3. Remove the transmission harness connector from stay.
4. Remove the oil charge pipe.
5. Remove the ATF filter inlet and outlet pipes.
6. Separate the converter case and transmission case part.
7. Remove the oil pump cover aligning bolt, and then separate it from the AT main case by lightly tapping with plastic hammer.
INSTALLATION
1. Secure the oil pump cover.
Tightening torque: 41 Nm (4.2 kgf-cm, 30.4 ft. lbs.)
2. Install the converter case assembly into transmission case assembly.
3. Install the transmission harness connector to the stay.
4. Install the ATF filter pipe.
5. Install the oil charge pipe with O-ring.
6. Install the torque converter assembly.
7. Install the transmission assembly into vehicle.
DISASSEMBLY
FRONT BRAKE
1. Remove the snap ring.
2. Remove the retainer plate, drive plate and driven plate.
3. Remove the snap ring using ST1, ST2 and ST3.
ST1 18762AA000 COMPRESSOR SPECIAL TOOL
ST2 18765AA000 COMPRESSOR SUPPORT
ST3 18763AA000 COMPRESSOR SHAFT
4. Remove the retainer and return spring.
5. Remove the front brake piston by blowing compressed air.
6. Remove the D-ring from front brake piston.
OIL PUMP
1. Take out the oil pump housing.
2. Take out the oil pump body.
ASSEMBLY
FRONT BRAKE
1. Apply ATF to D-ring, and then install it to the front brake piston.
2. Install the front brake piston to oil pump cover.
NOTE: Install by aligning the mark on front brake piston surface with the oil pump cover rib.
3. Install the retainer and return spring.
4. Install the front brake piston assembly using ST1, ST2 and ST3.
ST1 18762AA000 COMPRESSOR PRESS OR SPECIAL TOOL
ST2 18765AA000 COMPRESSOR SUPPORT
ST3 18763AA000 COMPRESSOR SHAFT
5. Install the genuine driven plate instead of retainer plate, temporarily assemble the drive plate and driven plate. Part No. 31536AA290 DRIVEN PLATE
6. Install the snap ring.
7. Measure the clearance between retainer plate and snap ring, and then select a suitable retainer plate from table.
Front brake clearance standard value: 0.7-1.1 mm (0.028-0.043 inch)
8. Remove the snap ring, replace the drive plate which used in measurement of clearance with retainer plate, and then reassemble.
OIL PUMP
1. Apply ATF to oil pump assembly, and then install it to oil pump housing.
2. Install the O-ring to oil pump cover.
3. Install the oil pump housing to oil pump housing cover.
Tightening torque: 10 Nm (1.0 kgf-cm, 7.4 ft. lbs.)
INSPECTION
FRONT BRAKE
Check the following items:
^ Drive plate facing for wear and damage
^ Snap ring for wear, return spring for damage, and retainer for damage
^ Piston for damage
^ D-ring for damage
OIL PUMP
Check the following items:
^ Oil pump cover and oil seal for breakage or damage
^ Oil pump body for scratch or damage
1. Check seal ring and oil seal for breaks or damages.
2. Check other parts for dents or abnormalities.
3. Selection of oil pump rotor assembly
1. Tip clearance
Install the inner rotor and outer rotor to oil pump housing. With rotor gears facing each other, measure the crest-to-crest clearance.
Tip clearance: 0.02-0.15 mm (0.0008-0.0059 inch)
2. Side clearance Set a depth gauge to oil pump housing, then measure the oil pump housing-to-rotor clearance.
Side clearance: 0.02-0.045 mm (0.0008-0.0018 inch)
3. If the depth and/or side clearance are not within the specifications, replace the rotor assembly.
Measure the total end play and adjust it within specifications.