Defect, Vehicle, Owner and Campaign Information

DEFECT INVOLVED

General Motors has determined that a defect which relates to motor vehicle safety exists in certain 1989 Chevrolet C15-35 trucks. The vehicles may have right-hand lower control arm bolts with torque prevailing nuts that were not tightened to the specified torque (Specified 155-180 N-m; Actual 60-65 Nm). While the nut will not come off of the bolt, it can become loose and result in a noticeable clunking noise during suspension movement.

To prevent this condition from occurring, Chevrolet will tighten the attaching bolts to the specified torque.
VEHICLES INVOLVED

Involved are certain 1989 Chevrolet C15-35 model trucks that were manufactured at Oshawa Assembly Plant.

MODEL YEAR PLANT FROM THROUGH

C15-35 1989 Oshawa K1228253 K1228961

" " " K1229346 K1229571

Involved vehicles have been identified by Vehicle Identification Number Computer Listings. Computer listings contain the complete Vehicle Identification Number, owner name and address data, and are furnished to involved dealers with the campaign bulletin. Owner name and address data furnished will enable dealers to follow-up with owners involved in this campaign.

These listings may contain owner names and addresses obtained from State Motor Vehicle Registration Records. The use of such motor vehicle registration data for any other purpose is a violation of law in several states. Accordingly, you are urged to limit the use of this listing to the follow-up necessary to complete this campaign. Any dealer not receiving a computer listing with the campaign bulletin has no involved vehicles currently assigned.

OWNER NOTIFICATION

Owners will be notified of this campaign on their vehicles by Chevrolet Motor Division (see copy of owner letter included with this bulletin).

DEALER CAMPAIGN RESPONSIBILITY

Dealers are to service all vehicles subject to this campaign at no charge to owners, regardless of mileage, age of vehicle, or ownership, from this time forward.

Whenever a vehicle subject to this campaign is taken into your new or used vehicle inventory, or it is in your dealership for service in the future, you should take the steps necessary to be sure the campaign correction has been made before reselling or releasing the vehicle.

Owners of vehicles recently sold from your new vehicle inventory are to be contacted by the dealer, and arrangements made to make the required correction according to instructions contained in this bulletin.