Recall - Loose Rear Lower Control Arm Ball Joint Stud: Overview

SUBJECT REAR LOWER CONTROL ARM BALL JOINT STUD TO NUMBER: 86-C-07
KNUCKLE ATTACHMENT
DATE: Sept. 12, 1986

MODELS/YEARS 1986 DELTA 88 SECTION: 3D
CONDITION

General Motors has determined that a defect which relates to motor vehicle safety exists in some 1986 Oldsmobile Delta 88 models. The left and right rear lower control arm ball joint stud to knuckle attachment may have been inadequately tightened when these vehicles were assembled. This could allow the rear lower control arm ball joint stud to loosen at the knuckle attachment. A loose ball joint stud could eventually break and separate from the knuckle. Separation could cause a loss of vehicle control which could result in a vehicle crash without prior warning.

VEHICLES INVOLVED

Involved are all 1986 Oldsmobile Delta 88 models within the following serial numbers:

Assembly Plant Beginning Up To And Including

Willow Run (W) Start of Production GW341352

DEALER ACTION

To prevent the possibility of this occurring on vehicles involved, dealers are to replace and tighten the left and right rear lower control arm ball joint stud nuts and, if necessary, replace the knuckle(s) as outlined in the service procedure section of this bulletin.

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

Whenever a vehicle subject to this campaign is taken into 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 modification according to instructions contained in this bulletin.