CAMPAIGN: INCORRECT FACTORY INSTALLED SPEEDO DRIVEN GEAR

MODELS AFFECTED: 1982 LeSabres, and Electras

General Motors has determined that some 1982 LeSabres and Electras have been assembled with incorrect speedometer driven gears. This will cause the speedo to indicate a vehicle speed approximately 4% to 8% faster than the actual speed of the vehicle.

To correct this condition, dealers are to install the correct speedo driven gear as listed in Parts Information below.

VEHICLES INVOLVED

1982 LeSabres and Electras (including Estate Wagons) with diesel engines (LF9) and THM 200 4R transmissions (MW9 Overdrive) within the VINs listed below:

Plant From Thru and Including

Flint CH446498 CH452341 Fairfax CX120819 CX124645

DEALER ACTION

Dealers art to perfom this recall campaign at no charge to the owner on affected vehicles, regardless of time, mileage or ownership, and are to correct all affected vehicles in dealer new and used car inventory prior to their sale.

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

Dealers are to perform the campaign services on all affected vehicles as they are brought in for any kind of service until all affected vehicles have been corrected.

DEALER MATERIAL

If your dealership has vehicles involved in this campaign, you will receive the following items:

List of all vehicles involved in this campaign shipped to your dealership.

One (1) campaign identification label per vehicle involved.

PARTS INFORMATION

The correct speedometer gear depending on vehicle tire size is to be obtained from CM Parts Division and installed in vehicle's transmission.

Tire Size Speedo Driven Gear Part Number

P205/75R15 403999 P215/75R15 (29 tooth gear - color green) P225/70R15

P225/75R15 416755 (28 tooth gear - color yellow)

NOTE: Your listing of vehicles will have the correct speedo gear part number listed to the left of each VIN.

OWNER NOTIFICATION

Owners of vehicles involved in this campaign, whose addresses are known, will be notified by Buick Motor Division.

A sample owner letter is included in this bulletin.

TRANSFER OF VEHICLE

If a vehicle has been transferred to another location, please forward parts campaign identification label and vehicle information for this vehicle to your Buick Zone Office for handling with the proper dealer.

TECHNICAL PROCEDURE

1. Obtain correct speedometer driven gear as instructed in "Parts Information."

2. Hoist vehicle.

3. Disconnect speedometer cable.

4. Remove retainer bolt, retaine and speedo driven gear sleeve.

5. Insert new driven gear in sleeve, reinstall sleeve, retainer and bolt. Use new "O" ring on sleeve, if required. Tighten bolt to 12 ft. lbs. (17 Nm) and install speedo cable.

6. Lower vehicle and install campaign identification label per following instructions:

Each vehicle modified in accordance with the instructions outlined in this "Techriical Procedure" will require a campaign identification label. Each label provides space to include the Campaign Number, the five (5) digit Dealer Code of the dealer perfoming the campaign service, and the date vehicle was campaigned. This information may be inserted with a typewriter or ballpoint pen. When installing label, clean the surface of the radiator fan guard and apply the campaign label.

DISPOSITION OF REPLACED PARTS

Replaced part must be held for disposition by Buick Contact personnel. Each replaced part must have a claim tag attached, showing the repair order and the VIN of the vehicle from which it was removed.

WARRANTY INFORMATION

Dealers are to submit each campaigned vehicle as a separate case on the one line Warranty Document Form S-764. Dealers submitting warranty claims by terminal are to transmit campaign completions as a separate case also.

LABOR AND PARTS CREDIT

OPERATION TROUBLE LABOR *OTHER **PARTS OPERATION NUMBER CODE TIME HOUR CREDIT

Replace speedo V1140 96 .3 .1 driven gear

*List .1 hour for administration in other labor hours.

**Credit will be allowed for current dealer price of speedometer driven gear 403999 or 416765 plus 30%.

To assure accurate records of all transactions on this campaign, it is recommended that campaign repairs for each vehicle be listed on a separate repair order. Other repairs performed to the vehicle may be listed on the same repair order, and warranty cases other than campaigns may be listed on the same warranty document.

Warranty documents on this campaign are not to be sent to the Zone Office. Send directly to Buick, Flint. as is done with normal submissions of warranty documents.

Zone authorization is not required.

Dear Buick Owner:

General Motors has detemined that some 1982 LeSabres and Electras have been assembled with incorrect speedometer driven gears. This will cause the speedo to indicate a vehicle speed approximately 4% to 8% faster than the actual speed of the vehicle.

To correct this condition, your Buick dealer will install the correct speedometer driven gear in your vehicle's transmission at no charge to you. Parts are available. Please contact your dealer to have this service performed.

Instructions for making this correction have been sent to your dealer. The time required to perform the labor to make this modification is approximately 20 minutes. Please allow additional time for the dealer to process your vehicle.

The enclosed owner reply card identifies your vehicle. Presentation of this card to your dealer will assist them in making the necessary correction to your vehicle in the shortest possible time. If you have sold or traded your vehicle, please let us know by completing the postage paid owner reply card and returning it to us.

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

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.