P/S - Shudder, Return Hose & Pipe Assembly Replacement
89pontiac06Bulletin Number: 89-3-13
Reference Number: 933201
Publish Date: 3/89
POWER STEERING SHUDDER (RETURN HOSE AND Subject: PIPE ASSEMBLY REPLACEMENT)
Models 1988-89 6000 W/2.8L (VIN W)
Affected:
Some 1988-89 6000 models with 2.8L V6 engines may exhibit a power steering shudder condition. This condition is apparent during low speed turning maneuvers and would be perceived as a vibration felt in the steering wheel.
Vehicles exhibiting this condition may be repaired by replacing existing power steering outlet hose and pipe assembly with new assembly, P/N 26017135, with internal tuning cable.
Parts are currently available from GMSPO.
Service Procedure
1. Raise vehicle.
2. Disconnect return hose and pipe assembly at cooler and drain fluid.
3. Disconnect return hose and pipe assembly at gear, utilizing a 18 mm crows foot wrench. Remove from housing clip, and discard hose and pipe assembly.
4. Install new hose and pipe assembly, P/N 26017135 into housing clip and connect at gear.
IMPORTANT: Inspect to insure O-ring is present on new hose and pipe assembly fitting prior to connecting to gear.
5. Torque fitting to 25 N-m.
6. Connect hose to cooler pipe and torque clamps to 1.7 N-m.
7. Lower car.
8. Fill with fluid and bleed power steering system following applicable shop manual procedure (Section 3B3).
IMPORTANT: After bleeding of system, insure fluid level is at the "Hot" mark after system has been stabilized at its normal operating temperature.
9. Check for leaks, correct as required and bleed system.
Labor Operation Number: T1436
Labor Time : .7 Hours