K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Power Steering Valve: Customer Interest
Power Steering - High Steering Effort
GMC NUMBER: 91-3B-60
GROUP: 3B Steering
DATE: January, 1991
CORPORATE
NUMBER:863201R
SUBJECT: HIGH POWER STEERING EFFORT
MODELS: 1988-91 C/K LIGHT DUTY TRUCKS
THIS BULLETIN CANCELS AND REPLACES GMC TRUCK SERVICE BULLETIN 89-T-41 DATED MARCH, 1990 (CORPORATE # 863201R)
TO INCLUDE THE 1990-91 MODEL YEARS AND TO UPDATE THE PART NUMBERS. ALL COPIES OF 89-T-41 SHOULD BE DISCARDED.
Customer comments of high power steering effort may be received on 1988-1991 C/K trucks. C/K trucks have been designed with a higher required
steering effort to provide a better road feel. Before replacing any power steering components, check suspension components to be sure they are not
damaged or worn out. If suspension components show no problems and the customer wishes to have the steering effort reduced, the following parts can
be installed.
SERVICE PARTS INFORMATION
Part Number
Description
26027058
Steering Valve
26010275
Adjuster Plug Seal Kit
Parts are expected to be available on February 4, 1991. Until then normal part orders will not be accepted by GMSPO.
Only verifiable emergency VIP orders will be accepted. GMSPO will make every effort to obtain parts. All parts will be placed on 400 control to waive
VIP surcharges. However, the parts will be shipped premium transportation at dealer's expense. All other order types will be canceled as incorrectly
ordered while 400 control is in place.
WARRANTY INFORMATION
For vehicles repaired under warranty use:
Labor
Model
Operation
Labor Time
C Truck
E9720
1.0 hr.
K Truck
E9720
1.2 hrs.
Add:
.1 hr if equipped with power brakes.
SERVICE MANUAL REFERENCE:
Reference the Power Steering section of the appropriate Light Duty Truck Unit Repair Manual for installation instructions.