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

STEP 2.Check the drive pinion turning torque (low).
Q: Is the drive pinion turning torque correct?
YES: Go to Step 3.
NO: Adjust it. Then go to Step 5.

STEP 3.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 4.
NO: Tighten them to 69 - 78 Nm (51 - 58 ft. lbs.). Then go to Step 5.

STEP 4.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[tm] AAD part NO.8730 or AAD part NO.8731 or equivalent. Then go to Step 5.
NO: Go to Step 5.

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