Transmission Assembly: Disassembly
CAUTION:
Do not disassemble parts behind Drum Support. Refer to
, "CROSS-SECTIONAL VIEW ".
- Drain ATF through drain plug.
- Remove torque converter by holding it firmly and turning while pulling straight out.
- Remove tightening bolts ((Bold Arrow) ←) for converter housing and transmission case.
- Remove converter housing from transmission case.CAUTION: Be careful not to scratch converter housing.
- Remove O-ring from input clutch assembly.
- Remove tightening bolts for oil pump assembly and transmission case.
- Attach the sliding hammers to oil pump assembly and extract it evenly from transmission case.
- Remove O-ring from oil pump assembly.
- Remove bearing race from oil pump assembly.
- Remove needle bearing from front sun gear.
- Remove front sun gear assembly from front carrier assembly.NOTE: Remove front sun gear by rotating left/right.
- Remove seal rings from input clutch assembly.
- Remove front carrier assembly from rear carrier assembly. (With input clutch assembly and rear internal gear.)CAUTION: Be careful to remove it with needle bearing.
- Loosen lock nut and remove band servo anchor end pin from transmission case.
- Remove brake band from transmission case.
- To prevent brake linings from cracking or peeling, do not stretch the flexible band unnecessarily. When removing the brake band, always secure it with a clip as shown in the figure at right
.
Leave the clip in position after removing the brake band .
- Check brake band facing for damage, cracks, wear or burns .
- To prevent brake linings from cracking or peeling, do not stretch the flexible band unnecessarily. When removing the brake band, always secure it with a clip as shown in the figure at right
.
- Remove mid carrier assembly and rear carrier assembly as a unit.
- Remove mid carrier assembly from rear carrier assembly.
- Remove needle bearing (front side) from mid carrier assembly.
- Remove needle bearing (rear side) from mid carrier assembly.
- Remove bearing race from rear carrier assembly.
- Remove needle bearing from rear carrier assembly.
- Remove mid sun gear assembly, rear sun gear assembly and high and low reverse clutch hub as a unit.CAUTION: Be careful to remove then with bearing race and needle bearing.
- Remove high and low reverse clutch assembly from direct clutch assembly.CAUTION: Make sure that needle bearing is installed to the high and low reverse clutch assembly edge surface.
- Remove direct clutch assembly from reverse brake.
- Remove needle bearing from drum support.
- Remove snap ring (1) from A/T assembly harness connector (A).
- Push A/T assembly harness connector (A).CAUTION: Be careful not to damage connector.
- Remove clips (1).
3 : Drain plug
← : Front
(Bold Arrow) ← : Oil pan mounting bolt
- Remove oil pan (2) and oil pan gasket.
- Remove magnets (1) from oil pan.
- Disconnect A/T fluid temperature sensor 2 connector (A).CAUTION: Be careful not to damage connector.
- Disengage terminal clips ((Bold Arrow) ←).
- Disconnect revolution sensor connector (A).CAUTION: Be careful not to damage connector.
- Disengage terminal clip ((Bold Arrow) ←).
- Remove bolts A, B and C from control valve with TCM.
← : Front
BOLTS SYMBOL AND LENGTH SPECIFICATIONBolt symbol Length mm (in) Number of bolts A 42 (1.65) 5 B 55 (2.17) 6 C 40 (1.57) 1 - Remove control valve with TCM from transmission case.CAUTION: When removing, be careful with the manual valve notch and manual plate height. Remove it vertically.
- Remove A/T fluid temperature sensor 2 (1) with bracket (2) from control valve with TCM.
(Bold Arrow) ← : Bolt
- Remove bracket (1) from A/T fluid temperature sensor 2 (2).
- Remove O-ring (1) from A/T assembly harness connector (A).
- Disconnect TCM connectors (A) and (B).CAUTION: Be careful not to damage connectors.
- Remove A/T assembly harness connector (A) from control valve with TCM using a flat-bladed screwdriver (B).
- Disconnect TCM connector (A) and park/neutral position switch connector (B).CAUTION: Be careful not to damage connectors.
- Remove rear extension assembly (2WD) or adapter case assembly (AWD) according to the following procedures.
- 2WD
- Remove tightening bolts for rear extension assembly and transmission case.
- Tap rear extension assembly with a soft hammer.
- Remove rear extension assembly from transmission case. (With needle bearing).
- Remove bearing race from output shaft.
- Remove output shaft from transmission case by rotating left/right.
- Remove parking gear (1) from output shaft (2).
- Remove seal rings (1) from output shaft.
- AWD
- Remove tightening bolts (1) for adapter case assembly and transmission case. [With bracket (2).]
3 : Self-sealing bolt
(Bold Arrow) ← : Bolt
- Tap adapter case assembly with a soft hammer.
- Remove adapter case assembly from transmission case. (With needle bearing)
- Remove gasket from transmission case.
- Remove bearing race from output shaft.
- Remove output shaft from transmission case by rotating left/right.
- Remove parking gear (1) from output shaft (2).
- Remove seal rings (1) from output shaft.
- Remove tightening bolts (1) for adapter case assembly and transmission case. [With bracket (2).]
- 2WD
- Remove needle bearing from transmission case.
- Remove revolution sensor from transmission case.
- Remove reverse brake snap ring (fixing plate) using 2 flat-bladed screwdrivers.NOTE: Press out snap ring from the transmission case oil pan side gap using a flat-bladed screwdriver, and remove it using a another screwdriver.
- Remove reverse brake retaining plate from transmission case.
- Check facing for burns, cracks or damage. If necessary, replace the plate .
- Remove N-spring from transmission case.
- Remove reverse brake drive plates, driven plates, dish plates and retaining plate transmission case.
- Check facing for burns, cracks or damage. If necessary, replace the plate .
- Remove snap ring (fixing spring retainer) using a flat-bladed screwdriver.
- Remove spring retainer and return spring from transmission case.
- Remove seal rings from drum support.
- Remove needle bearing from drum support edge surface.
- Remove reverse brake piston from transmission case with compressed air. Refer to
, "OIL CHANNEL ".CAUTION: Care should be taken not to abruptly blow air. It makes pistons incline, as the result, it becomes hard to disassemble the pistons.
- Remove D-rings from reverse brake piston.
- Use a pin punch [4 mm (0.16 in) dia. commercial service tool] to knock out retaining pin.
- Remove manual shaft retaining pin with pair of nippers.
- Remove manual plate (with parking rod) from manual shaft.
- Remove parking rod from manual plate.
- Remove manual shaft from transmission case.
- Remove manual shaft oil seals using a flat-bladed screwdriver.CAUTION: Be careful not to scratch transmission case.
- Remove detent spring and spacer from transmission case.
- Using pair of snap ring pliers, remove snap ring from transmission case.
- Remove servo assembly (with return spring) from transmission case.
- Remove return spring from servo assembly.
- Remove O-rings from servo assembly.
- Remove needle bearing (1) from rear extension (2WD) or adapter case (AWD).
- Remove parking actuator support from rear extension (2WD) or adapter case (AWD).
- Remove parking pawl (with return spring) and pawl shaft from rear extension (2WD) or adapter case (AWD).
- Remove return spring (1) from parking pawl (2).
- Remove rear oil seal from rear extension (2WD) or adapter case (AWD).CAUTION: Be careful not to scratch rear extension (2WD) or adapter case (AWD).