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Home >> Lexus >> 2015 >> GS 350 Base, RWD >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance >> Chassis >> General Maintenance [09/2014 - 10/2015] >> Procedure

General Maintenance [09/2014 - 10/2015]: Procedure

  1. INSPECT STEERING LINKAGE & GEAR BOX 
    1. Check the steering wheel free play (Refer to PROCEDURE - Step 1 ).
    2. Check the steering linkage for looseness or damage.
      1. Check that the tie rod ends do not have excessive play.
      2. Check that the dust seals and boots are not damaged.
      3. Check that the boot clamps are not loose.
      4. Check that the steering gear box is not damaged.
      5. Check that the connectors are properly connected to the steering gear box.
  2. INSPECT SUSPENSION BALL JOINT AND DUST COVER 
    1. Inspect the ball joints for excessive looseness.
      1. Jack up the front of the vehicle and place wooden blocks with a height of 180 to 200 mm (7.09 to 7.87 in.) under the front tires.
      2. Jack up the lower suspension arm until there is about half a load on the front suspension.
      3. Check that the front wheels are pointing straight ahead. Use wheel chocks on all 4 wheels.
      4. Using a lever, pry up the end of the lower arm. Check the amount of play.

        Maximum ball joint vertical play

        0 mm (0 in.)

        If there is any play, replace the ball joint.

    2. Check the dust cover for damage.
  3. INSPECT DRIVE SHAFT BOOTS 
    1. Check the drive shaft boots for loose clamps, grease leakage, kinks or damage.
  4. INSPECT AUTOMATIC TRANSMISSION FLUID 
    1. Visually check the automatic transmission for fluid leakage. If fluid is leaking, find the cause and repair it.
    2. Inspect the automatic transmission fluid.
      Type See procedure
      A760H Refer to ADJUSTMENT [09/2014 - ]
      AA81E Refer to ADJUSTMENT [09/2014 - 10/2015]
  5. REPLACE AUTOMATIC TRANSMISSION FLUID (for Canada, Driving Conditions) 

    HINT: 

    Driving Conditions: Heavily loaded vehicle.

    1. Replace the automatic transmission fluid.
      Type See procedure
      A760H Refer to REPLACEMENT [09/2014 - ]
      AA81E Refer to REPLACEMENT [09/2014 - ]
  6. INSPECT TRANSFER OIL 
    1. Visually check the transfer for fluid leakage. If fluid is leaking, find the cause and repair it.
    2. Inspect the transfer oil (automatic transmission fluid).
      Type See procedure
      A760H Refer to ADJUSTMENT [09/2014 - ]
  7. REPLACE TRANSFER OIL (for Canada, Driving Conditions) 

    HINT: 

    Driving Conditions: Heavily loaded vehicle.

    1. Replace the transfer oil (automatic transmission fluid).
      Type See procedure
      A760H Refer to REPLACEMENT [09/2014 - ]
  8. INSPECT FRONT DIFFERENTIAL OIL (for AWD) 
    1. Inspect the front differential oil (Refer to PROCEDURE - Step 2 ).
  9. REPLACE FRONT DIFFERENTIAL OIL (for Canada, AWD, Driving Conditions) 

    HINT: 

    Driving Conditions: Heavily loaded vehicle.

    1. Replace the front differential oil (Refer to REPLACEMENT [09/2014 - 10/2015] ).
  10. INSPECT REAR DIFFERENTIAL OIL 
    1. Inspect the rear differential oil (Refer to PROCEDURE - Step 2 ).
  11. REPLACE REAR DIFFERENTIAL OIL (for Canada, Driving Conditions) 

    HINT: 

    Driving Conditions: Heavily loaded vehicle.

    1. Replace the rear differential oil (Refer to REPLACEMENT [09/2014 - 10/2015] ).
  12. TIGHTEN PROPELLER SHAFT BOLTS (for Canada, Road Conditions, Driving Conditions) 

    HINT: 

    • Road Conditions: Road conditions or roads with melted snow, operating on dusty roads and operating on road which has road salt applied.
    • Driving Conditions: Heavily loaded vehicle.
    1. Tighten the bolts for the propeller shaft.
      Type See procedure
      Front propeller shaft Refer to INSTALLATION [09/2014 - ]
      Propeller shaft (for 2WD) Refer to INSTALLATION [09/2014 - 10/2015]
      Propeller shaft (for AWD) Refer to INSTALLATION [09/2014 - 10/2015]
  13. PERFORM TIRE ROTATION 

    Refer to PROCEDURE - Step 2

  14. INSPECT FRONT AND REAR SUSPENSION 
    1. Check the front and rear suspension.
      Suspension Type See Procedure
      Front suspension Refer to ADJUSTMENT [09/2014 - 10/2015]
      Rear suspension Refer to ADJUSTMENT [09/2014 - 10/2015]