Inspection Procedure 15

INSPECTION PROCEDURE 15: Breakdown

NOTE: In addition to disassembling and replacing the failed parts, be sure to check all components for irregularities and repair or replace as necessary.

DIAGNOSIS

STEP 1. Check for looseness of the drive gear tightening bolt.
Q: Are the drive gear tightening bolts loose?
YES: Tighten to 78 - 88 Nm (58 - 65 ft. lbs.) <6G72>, 137 - 167 Nm (101 - 123 ft. lbs.) <6G74 or Limited Slip Differential> and apply 3M AAD part NO.8730 or AAD part NO.8731 or equivalent. Then go to Step 5.
NO: Go to Step 2.

STEP 2. Check the drive gear backlash.
Q: Is the drive gear backlash correct?
YES: Go to Step 3.
NO: Adjust the backlash. Then go to Step 5.

STEP 3. Check the drive pinion turning torque (low).
Q: Is the drive pinion turning torque correct?
YES: Go to Step 4.
NO: Adjust it. Then go to Step 5.

STEP 4. Check the side bearing preload (low).
Q: Are the side bearing cap mounting bolts tightened to 69 - 78 Nm (51 - 58 ft. lbs.)?
YES: Go to Step 5.
NO: Tighten them to 69 - 78 Nm (51 - 58 ft. lbs.). Then go to Step 5.

STEP 5. Check symptoms.
Q: Is there damage?
YES: Start over at Step 1.
NO: Diagnosis is complete.