Normal Operation
The steering gear has 3 isolators, these isolators aid in reducing NVH experienced through the steering system. One or more of the isolators being damaged or missing, or the fasteners being loose, damaged or missing, can cause NVH concerns. Most noticeably a clunk, rattle or knocking noise.
This test generates a RVC for a new PSCM when directed to do from pinpoint test.
AC1: CHECK THE STEERING GEAR MOUNTING BOLTS
With the transmission in NEUTRAL, position the vehicle on a hoist. Refer to JACKING & LIFTING .
Inspect the steering gear mounting bolts. Verify they are in place and are tightened to the correct specifications. Refer to Steering Gear .
Are all steering gear mounting bolts present, undamaged and tightened to their correct specifications?
| Yes | No |
|---|---|
| Go to AC2. | INSTALL new mounting bolts and TIGHTEN them to their correct specifications. |
AC2: CHECK THE STEERING GEAR ISOLATORS
Inspect the steering gear isolators. Verify they are in place and undamaged. Refer to Steering Gear .
Are any isolators missing or damaged?
| Yes | No |
|---|---|
| Go to AC3. | The steering gear isolators are not the cause of the customer concern. RETURN to the Symptom Chart and continue diagnostics. |
AC3: OBTAIN PSCM RVC
Obtain the PSCM RVC.
INSTALL a new PSCM.
REFER to Steering Gear .