K 1500 Truck 4WD V8-393 6.5L DSL Turbo VIN S (1996)
Drive/Propeller Shaft: Customer Interest
Drive Line - Shudder When Accelerating From a Stop
File In Section: 3 - Steering Suspension
Bulletin No.: 66-30-01
Date: August, 1996
Subject:
Drive Line Shudder when Accelerating from a Stop
(Replace Rear Springs and U-Bolts)
Models:
1994-96 Chevrolet and GMC K1, Extended Cab, 8 FL. Box Models with Turbo Diesel Engine (VIN S - RPO L56)
Condition
Some customers may report a drive line shudder when accelerating from a stop.
Cause
The prop shaft slip yoke splines lock due to rear spring wind up.
Correction
Stiffer (higher load rated) rear springs will help to resist the wind up affect. Replace the rear springs and U-bolts with the parts listed below.
Service Procedure
Replace the leaf springs as described in Section 3D, Rear Suspension, of the appropriate year C/K Truck Service Manual.
Important:
Do not reuse the original U-bolts.
Parts Information
P/N
Description
Qty.
15659739
Rear Spring
2
15529595
U-Bolts
4
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Op
Description
Labor Time
Spring Assembly,
Use Published
E5137
Hear Leaf Replace
Labor Operation
(both)
Time
Important:
Labor operation is coded to base vehicle coverage in the warranty system.
