Ball Joints - Greaseable Components Now Available
90chevy29Number: 90-294-3C
Section: 3C
Date: July 1990
Corp. Bulletin No.: 063304R
Subject: GREASEABLE UPPER AND LOWER CONTROL ARM BALL JOINTS
Model and Year: 1988-90 C/K TRUCKS
TO: ALL CHEVROLET DEALERS
Greaseable ball joints are now available for service use on 1988 - 1990 C/K trucks as replacements for maintenance-free ball joints.
Service Procedure:
Should vehicle usage result in the need for any ball joint replacement, it is recommended that all maintenance-free ball joints be replaced with greaseable ball joints.
Service Parts Information:
Quantity/
Part Number Model Year Description Truck
15657212 C 1, 2, 3 1988-90 Lower Control Arm 2
Ball Joint
15634942 K 1, 2, 3 1988-90 Lower Control Arm 2
Ball Joint
15659518* K1 & PF4 1988-90 Upper Control Arm 2
Aluminum Wheel Ball Joint
15634904 C/K1, 2 & C5Z 1988-90 Upper Control Arm 2
Ball Joint
15634909** C/K 2 & C6P, 3 1989-90 Upper Control Arm 2
Ball Joint
15635534 C/K 3 1988 Upper Control Arm 2
Ball Joint
Parts are currently available through GMSPO.
* Parts are expected to be available August 24, 1990. All orders will be cancelled until that date. This kit includes 35 mm bolts which are 5 mm shorter than bolts used in other kits.
* * Parts are available in limited quantities. SPO will make every effort to obtain parts. All parts will be placed on 400 control to waive VIP surcharges. However, the part will be shipped premium transportation at dealer's expense. All other order types will be cancelled as incorrectly ordered while the 400 control is in place.