K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Constant Velocity Joint Boot: All Technical Service Bulletins
Drivetrain - Production Change of Front Axle Boot Clamps
GMC NUMBER:
89-T-08
GROUP:
4C - Front Axle
DATE:
May, 1989
CORPORATE
NUMBER:
864307R
SUBJECT:
FRONT DRIVE AXLE INBOARD AND OUTBOARD BOOT CLAMP INSTALLATION
MODELS:
1988 AND 1989 K1, K2, K3
THIS BULLETIN CANCELS AND REPLACES GMC TRUCK SERVICE BULLETIN 89-T-08 DATED DECEMBER 1988, ALL
COPIES OF WHICH SHOULD BE DISCARDED.
Starting with the VIN numbers listed below, the 1988 K3 Inboard and Outboard Front Axle Boot Clamps were changed in production from a crimped to
a swaged clamp design.
Plant
VIN
GMC
Pontiac East
1GTGK34K3JE529050
Oshawa
2GTGK39J5J1564061
The same change took place for the K1 and K2 models with the start of the 1989 model production. The old style crimped clamp required a stamped
metal protector pressed onto the outer C/V joint housing around the clamp. The new design swage clamp has a smooth finish when installed and does not
require a clamp protector.
Parts Information
The following kits contain the new swaged clamps:
K30
K10/20
Seal Service Kit Tripot
26018963
26018970
Seal Service Kit, C/V Joint
26018964
26018968
Joint Asm. Serv. Kit, Seal & CV
26018965
26018971
Spider Asm. Service Kit
26018966
26018972
Clamps
Inboard Tripot Clamp
26007603
26007601
Outbond C/V Joint Clamps
26007602
26007601
Parts are currently available from GMSPO.
Service
When servicing any 1988 or 1989 K model truck front axle, use the instructions in the 1989 Light Duty Truck Unit Repair manual X-8937, Section 4C4,
Pages 21 through 29.
Tool
The swage clamp installation tool is now a required tool and is included in your 1989 Essential Tool Order.
Tool Number
Application
J36652-1
K10/20
J36652-2
K30 (Outboard)
J36652-3
K30 (Inboard)
For vehicles repaired under warranty use the following:
Axle Assembly, Drive - R & R
Right
F1500
.5 Hr