Inspection Procedure 7

INSPECTION PROCEDURE 7: Heat [DIFFERENTIAL]

DIAGNOSIS

STEP 1. Check the differential gear oil level.

Remove the filler plug and check the differential gear oil level (Refer to Gear Oil Level Check).

Q. Is the differential gear oil level normal?

YES Go to Step 2.
NO Check the differential gear oil leakage from differential carrier, and repair if necessary. Then, refill Hypoid gear oil API classification GL-5 or higher, SAE80. Then go to Step 3.
STEP 2. Check for excessive gear backlash (Refer to Differential Carrier Assembly Reassembly).

Q. Is the gear backlash correct?

YES Go to Step 3.
NO Adjust the backlash. Then go to Step 3.
STEP 3. Retest the system.

Q. Is the heat eliminated?

YES The procedure is complete.
NO Start over at Step 1.