K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
Drive/Propeller Shaft: All Technical Service Bulletins
Driveshaft - Launch Shudder On Acceleration
File In Section: 04 - Driveline Axle
Bulletin No.: 01-04-17-001A
Date: June, 2001
TECHNICAL
Subject:
Launch Shudder On Acceleration
(Install New One-Piece Propeller Shaft)
Models:
1999-2001 Chevrolet and GMC K2500/3500 Extended and Crew Cab Long Box Pickup Models With Automatic Transmission
This bulletin is being revised to remove an illustration. Please discard Corporate Bulletin Number 01-04-17-001 (Section 04 - Driveline/Axle).
Condition
Some customers may comment on a vibration during acceleration from 0-40 km/h (0-25 mph). This may also be referred to as launch shudder. This
condition may be more noticeable when the vehicle is carrying cargo or is used for towing.
Correction
A new propeller shaft is available for service to correct this condition. This new propeller shaft is a one-piece design and will replace the current
two-piece design. Install a new one-piece propeller shaft on affected vehicles. Refer to the service procedure and the parts information listed below.
Match the affected vehicle with the appropriate propeller shaft. Refer to the usage information below. This fix does not apply to the Chassis/Crew Cab
Models (K35943).
1.
Place the transmission in the Neutral position.
2.
Raise the vehicle. Refer to the Lifting and Jacking procedure in the General Information subsection of the Service Manual.
3.
Remove the bolts and the yoke retainers from the rear axle pinion yoke.
Important:
Do not pound on the propeller shaft yoke ears. Do not pry or place any tool between a yoke and a universal joint.
4.
Slide the rear propeller shaft forward in order to remove the propeller shaft from the rear axle pinion yoke.
5.
Remove the center bearing to the center bearing support nuts.
6.
Remove the center bearing from the center bearing support.
7.
Remove the front propeller shaft by sliding the front propeller shaft rearward from the transfer case.
8.
Remove and discard any prior shims that may have been installed with the previous propeller shaft.
