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Home >> Lexus >> 1998 >> GS 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Shifter A/T >> Service and Repair

Shifter A/T: Service and Repair

FLOOR SHIFT ASSEMBLY











COMPONENTS

REMOVAL
1. RAISE VEHICLE

NOTICE: Make sure that the vehicle is securely supported.

2. REMOVE FRONT EXHAUST PIPE
3. REMOVE HEAT INSULATOR
Remove the 6 bolts and heat insulator.

Torque: 5.4 Nm (55 kgf-cm, 48 inch lbs.)

4. DISCONNECT SHIFT CONTROL ROD
5. LOWER VEHICLE
6. REMOVE THESE PARTS:
- Glove compartment panel assembly
- Box plate
- No.2 under cover
- No.1 safety pad
- No.1 undercover
- Cluster finish panel
- Lower rear console box
- Console box and rear console armrest
- No.3 console box mounting bracket
- Ash receptacle
- No.1 console box duct
- Finish plate
- End pad
7. REMOVE SHIFT LEVER ASSEMBLY
a. Disconnect the connectors and wire harness from the shift lever assembly.





b. Remove the 4 bolts and shift lever assembly.

Torque: 8.3 Nm (85 kgf-cm, 74 inch lbs.)

DISASSEMBLY
1. REMOVE SHIFT LEVER KNOB AND SHIFT LEVER KNOB COVER





2. REMOVE WIRE PROTECTOR
Using a screwdriver, remove the wire protector.





3. REMOVE POSITION INDICATOR HOUSING
a. Using a screwdriver, remove the position indicator housing.
b. Using a screwdriver, remove the shift lever cap from the position indicator housing.





4. REMOVE POSITION INDICATOR LENS
Using a screwdriver, remove the position indicator lens from the position indicator housing.
5. REMOVE SLIDE COVER





6. REMOVE SHIFT LOCK RELEASE LINK AND SPRING
a. Remove the 2 shift lever housing set bolts and nuts with the shift lock release link and spring.
b. Using a screwdriver, separate the shift lock release spring from the shift lock release link.
7. REMOVE SHIFT LEVER GUIDE HOUSING AND INDICATOR LAMP SUB-ASSEMBLY





a. Disconnect the indicator lamp wire and connector from the shift lever plate.





b. Remove the shift lever guide housing with the indicator lamp sub-assembly from the shift lever plate.
c. Remove the indicator lamp sub-assembly from the shift lever guide housing.
8. DISASSEMBLE INDICATOR LAMP SUB-ASSEMBLY
a. Remove the bulb from the indicator lamp wire sub-assembly.





b. Using a small screwdriver, remove the terminals of the indicator lamp wire sub-assembly from the connector, as shown in the illustration.





9. REMOVE SHIFT LEVER DETENT PIN, SHIFT LEVER SPRING DAMPER AND COMPRESSION SPRING FROM SHIFT LEVER SUB-ASSEMBLY
10. REMOVE SPRING HOLDER AND SHIFT LEVER TORSION SPRING





a. Using a screwdriver, remove the spring holder.





b. Remove the shift lever torsion spring.





11. REMOVE 2 SHIFT LOCK CONTROL UNIT ASSEMBLY SET SCREWS





12. REMOVE NO.1 SHIFT LOCK SWITCH PLATE
a. Disconnect the groove of the No.1 shift lock switch plate from the projection of the shift lock control unit.
b. Raise the plate up to the direction shown in the illustration.
c. Remove the plate.





d. Remove the roller and shift lever anti-rattle cushion from the plate.
e. Separate the shift lever anti-rattle cushion from the roller.





13. REMOVE SHIFT LOCK PLATE STOPPER
a. Using pliers, remove the stopper.
b. Remove the shift lever anti-rattle cushion and shift lock plate stopper cap from the stopper.





14. REMOVE SHIFT LOCK CONTROL UNIT ASSEMBLY
a. Remove the shift lock control unit assembly from the shift lever plate.
b. Push the shift lock solenoid link lightly, turn and remove it.
c. Remove the compression spring.
d. Remove the slotted spring pin and separate the shift lock solenoid link.
15. REMOVE SHIFT LEVER SUB-ASSEMBLY





a. Using a pin punch and hammer, drive out the pinch
b. Remove the shift lever sub-assembly.





c. Remove the shift lever nut from the shift lever sub-assembly.





16. REMOVE CONTROL LEVER, SPACER AND CONTROL SHAFT
a. Remove the nut.
b. Remove the 2 spacers and control shaft from the shift lever plate.





c. Disconnect the shift lever boot from shift lever plate.
d. Remove the control lever.





17. REMOVE CLIP, CONNECTING ROD SWIVEL, LOWER CONTROL SHAFT BUSHING, LOWER CONTROL SHAFT PIECE, PLATE WASHER AND SHIFT LEVER BOOT FROM CONTROL LEVER
a. Using pliers, remove the clip.
b. Remove the connecting rod swivel, lower control shaft bushing, lower control shaft piece, 2 plate washers and shift lever boot from the control lever.

REASSEMBLY

HINT: Before reassembly, apply Multipurpose (MP) grease to the parts indicated by arrows.





1. INSTALL CLIP, CONNECTING ROD SWIVEL, LOWER CONTROL SHAFT BUSHING, LOWER CONTROL SHAFT PIECE, PLATE WASHER AND SHIFT LEVER BOOT TO CONTROL LEVER
a. Install the shift lever boot, 2 plate washers, lower control shaft piece, lower control shaft bushing and connecting rod swivel to the control lever.
b. Using pliers, install the clip.





2. INSTALL CONTROL LEVER, SPACER AND CONTROL SHAFT
a. Connect the shift lever boot to the shift lever plate.

HINT: Pull out the 3 lips of the shift lever boot securely, as shown in the illustration.





b. Install the control shaft and 2 spacers.
c. Install and torque the nut.

Torque: 13 Nm (128 kgf-cm, 9 ft. lbs.)

3. INSTALL SHIFT LEVER SUB-ASSEMBLY





a. Install a new shift lever nut to the shift lever sub-assembly.

HINT: Insert the shift lever nut securely until it fits and check there is no looseness.

b. Install the shift lever sub-assembly.





c. Using a pin punch and hammer, drive in the pinch





4. INSTALL SHIFT LOCK CONTROL UNIT ASSEMBLY
a. Connect the shift lock solenoid link and install a new slotted spring pinch
b. Install the compression spring to the shift lock solenoid link.
c. Push and install the shift lock solenoid link with the compression spring to the shift lock control unit assembly.
d. Install the shift lock control unit assembly.

HINT: Do not torque the shift lock control unit assembly set screws.





5. INSTALL SHIFT LOCK PLATE STOPPER
a. Install the shift lever anti-rattle cushion and shift lock plate stopper cap to the stopper.
b. Install the stopper to the shift lever plate.

HINT:
- Check that the claw of the shift lock plate stopper firmly fits in and slides smoothly.
- Insert and connect the projection of the shift lock plate stopper into the square hole of the shift lock control unit assembly.

6. INSTALL NO.1 SHIFT LOCK SWITCH PLATE





a. Install the shift lever anti-rattle cushion to the roller.
b. Install the roller and shift lever anti-rattle cushion to the plate.





c. Install the No.1 shift lock switch plate in the direction shown in the illustration and lower to the direction shown by an arrow.

HINT: Connect the groove of the No. 1 shift lock switch plate to the projection of the shift lock control unit assembly.





7. INSTALL AND TORQUE 2 SHIFT LOCK CONTROL UNIT ASSEMBLY SET SCREWS

Torque: 2.0 Nm (20 kgf-cm, 17 inch lbs.)

8. INSTALL SPRING HOLDER AND SHIFT LEVER TORSION SPRING





a. Install the shift lever torsion spring.





b. Install the spring holder.





9. INSTALL SHIFT LEVER DETENT PIN, SHIFT LEVER SPRING DAMPER AND COMPRESSION SPRING TO SHIFT LEVER SUB-ASSEMBLY
10. ASSEMBLE INDICATOR LAMP SUB-ASSEMBLY
a. Install the terminals of the indicator lamp wire sub-assembly to the connector.
b. Install the bulb to the indicator lamp wire sub-assembly.





11. INSTALL SHIFT LEVER GUIDE HOUSING AND INDICATOR LAMP SUB-ASSEMBLY
a. Install the indicator lamp sub-assembly to the shift lever guide housing.
b. Install the shift lever housing with the indicator lamp sub-assembly to the shift lever plate.





c. Connect the indicator lamp wire sub-assembly to the shift lever plate.

HINT: Hook the indicator lamp wire sub-assembly securely on the retainer of the shift lock plate.





12. INSTALL SHIFT LOCK RELEASE LINK AND SPRING
a. Install the shift lock release spring to the shift lock release link.
b. Install the 2 shift lever housing set bolts, nuts, shift lock release link and spring.
c. Torque the 2 nuts.

Torque: 3.9 Nm (40 kgf-cm, 35 inch lbs.)

13. INSTALL SLIDE COVER





14. INSTALL POSITION INDICATOR LENS TO POSITION INDICATOR HOUSING

HINT: Fit the 4 claws of the position indicator lens in the grooves of the position indicator housing securely.






15. INSTALL POSITION INDICATOR HOUSING
a. Install the shift lever cap to the position indicator housing.
b. Install the position indicator housing to the shift lever plate.

HINT: Fit the 4 clips of the position indicator housing in the shift lever plate securely.





16. INSTALL WIRE PROTECTOR TO SHIFT LEVER PLATE
17. INSTALL SHIFT LEVER KNOB AND SHIFT LEVER KNOB COVER


INSTALLATION
Installation is in the reverse order of removal.

HINT: After installation, inspect the shift lever position.
- When shifting from P to R position only with ignition switch ON and brake pedal, make sure that the shifting lever moves smoothly and can be moderately operated.
- When starting engine, make sure that the vehicle moves forward when shifting from N to D position and moves rearward when shifting to R position.
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