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 so 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 Removal and Installation in POWER STEERING .

  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 ISOLATORS 

  Inspect the steering gear isolators. Verify they are in place and undamaged. Refer to Steering Gear Removal and Installation in POWER STEERING .

  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 Symptom Chart and continue diagnostics.

• AC3: OBTAIN PSCM RVC 

  Obtain the PSCM RVC.

  INSTALL a new PSCM. REFER to POWER STEERING .