CAMPAIGN:TIE ROD CLAMP LOOSE (INSPECT TIE ROD NUT TORQUES). Chevrolet Caprice 1991

Subject: TIE ROD CLAMP BOLTS LOOSE

Models: 1991 Chevrolet Caprice and 1992 Cadillac Brougham (Arlington Only)

General Motors of Canada Limited has determined that certain 1991 Chevrolet Caprice and 1992 Cadillac Brougham model vehicles built at the Arlington Assembly Plant may have been shipped without having the four (4) tie rod adjusting sleeve clamp bolts/nuts tightened. This condition could result in uneven tire wear.

To correct this condition, dealers are to inspect tie rod nut torques on involved vehicles and those vehicles with tie rod nuts torqued below specification will have the tie rod assemblies replaced.

VEHICLE INVOLVED:

Involved are the following 1991 Chevrolet Caprice and 1992 Cadillac Brougham model vehicles built at the Arlington Assembly Plant:

84620 1G1BN53E8MR136143 82109 1G6DW5171NR702827

All affected vehicles have been identified by the VIN listing provided to involved dealers with this bulletin. Any dealer not receiving a listing was not shipped any of the affected vehicles.

DEALER CAMPAIGN RESPONSIBILITY:

Dealers are to perform this campaign on all involved vehicles at no charge to owners, regardless of kilometres traveled, 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, you are to ensure the campaign correction has been made before selling 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.

CAMPAIGN PROCEDURE:

Refer to Section 4 of the Service Policies and Procedures Manual for the detailed procedure on handling Product Campaigns. Dealers are requested to complete the campaign on all transfers as soon as possible.

OWNER NOTIFICATION:

All owners of record at the time of campaign release are shown on the attached computer listing and have been notified by first class mail from General Motors. The listings provided are for campaign activity only and should not be used for any other purpose.

PARTS INFORMATION:

NOTICE: NO PARTS ARE REQUIRED TO COMPLETE THIS CAMPAIGN UNLESS THE TIE ROD NUTS ARE LOOSE.

If parts are required to complete this campaign, they should be ordered through regular channels, as follows:

If tie rod nuts are loose, all of the parts below will be required to perform this campaign. IT IS ANTICIPATED THAT NO VEHICLES WILL REQUIRE TIE ROD ASSEMBLY REPLACEMENT. DO NOT ORDER THE PARTS LISTED BELOW UNLESS A VEHICLE EXHIBITS TIE ROD THREAD DAMAGE.

Part Number Description Quantity/Vehicle ------------ ---------------- ----------------- 7834234 Inner Tie Rod Kit 2

7826713 Outer Tie Rod Kit 2

7839709 Tie Rod Adjuster Kit 2

11500760 Clamp Nut 4

PARTS AND LABOUR CLAIM INFORMATION:

Credit for the campaign work performed will be paid upon receipt of a properly completed campaign claim card or DCS transmission in accordance with the following:

Repair Code Description Time Allowance ----------- ------------------------------- -------------- 1A Inspect/All Tie Rod Nuts Tight - No Further Action .3

2A Inspect/Tie Rod Nuts Loose - New Tie Rod Assemblies Installed 1.3

Time allowance includes 0. 1 hour for dealer administrative detail associated with this campaign. Repair code 2A includes time for removal of locking wheel covers. Parts credit will be based on dealer net plus 30% to cover parts handling.

SERVICE PROCEDURE:

1. Raise and suitably support vehicle. Refer to General Information (Sec. 0A) of applicable Service Manual.

2. Grasp adjusting tube/sleeve of adjustable tie rod assembly with one hand and attempt to rotate tube/sleeve clamp(s) with opposite hand (see Figure below).

3. Repeat step 2 on adjustable tie rod assembly on opposite side of vehicle.

4. If a tie rod adjusting tube/sleeve clamp(s) is found to be loose, proceed to step 5. If no looseness is found, no further action is required, proceed to step 6.

5. Replace inner and outer tie rod assemblies and required connecting and attaching components following applicable Service Manual procedures in Steering Linkage Section (Sec. 3B-J. Perform procedure on both sides of vehicle including toe-in adjustment.

6. Install Campaign Identification Label.

INSTALLATION OF CAMPAIGN IDENTIFICATION LABEL

Clean surface of radiator upper mounting panel and apply a Campaign Identification Label. Make sure the correct campaign number is inserted on the label. This will indicate that the campaign has been completed.

Dear General Motors Customer:

To correct this condition, your dealer will inspect the tie rod bolt/nut torques on your vehicle and if the tie rod bolts/nuts have been under-torqued the tie rod assemblies will be replaced.

This service will be provided for you at no charge.

Please contact your GM dealer as soon as possible to arrange a service date.

If parts are required, ask your dealer for details regarding their availability. If parts are not in stock, they can be ordered before scheduling your service date.

This letter identifies your vehicle. Presentation of this letter to your dealer will assist their Service personnel in completing the necessary correction to your vehicle in the shortest possible time.

We are sorry to cause you this inconvenience; however, we have taken this action in the interest of your continued satisfaction with our products.

Object Number: 82530 Size: FS

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.