P/S - Shudder, Return Hose & Pipe Assembly Replacement
89buick06Bulletin 89-3-12
Date April '89
Ref. No. 89-121-3
Corp. Ref. No. 933201
SUBJECT: POWER STEERING SHUDDER (RETURN HOSE AND PIPE ASSEMBLY REPLACEMENT)
MODELS AFFECTED: 1988 AND 1989 CENTURYS WITH 2.8L V-6 ENGINE (VIN CODE W)
Some 1988-89 Centurys 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, part number 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, part number 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.
WARRANTY INFORMATION
Labor Operation Number: T1436
Labor Time: .7 Hours
Trouble Code: 92