Trans Sport V6-191 3.1L (1990)
Power Steering Pressure Control Valve: All Technical Service Bulletins
P/S - Shudder During Static or Low Speed Turns
Bulletin Number:
92-3-14
Reference Number:
233205
Publish Date:
4/92
Subject:
POWER STEERING SHUDDER (REPLACE RETURN HOSE/PIPE ASSEMBLY)
Models
Affected:
1990-92 TRANS SPORT MODELS WITH
3.1L V-6 ENGINES (RPO LG6)
Condition:
Some 1990-1992 Trans Sport models with 3.1L V-6 engine (RPO LG6) , may exhibit a slight power steering shudder condition noted during static or
low speed turning maneuvers. This condition may be perceived by the vehicle operator as a disturbance felt and heard through the body structure and
steering wheel.
Cause:
A combination of power steering pump pressure pulses and engine firing frequency generating a disturbance through the body structure.
Correction:
Replace the existing power steering return hose/pipe assembly (steering gear to cooler pipe) with new assembly indicated below with internal tuning
cable.
Parts Required:
Part Description
Part Number
Quantity
Power Steering Return Hose/
26030907
1
Pipe Assembly
Removal and installation procedures shown in applicable Service Manual Section 3B (Power Steering Gear and Pump) must be followed to insure proper
installation and operation.
Parts Information:
Parts are currently available from GMSPO.
Warranty Information:
Labor Operation Number:
E8625
Labor Time:
0.5 Hrs.