For 1990-2009 cars

# TRANSAXLE DISTRESS DUE TO DISTORTED CHANNEL PLATE ASSY.

#### SUBJECT: TRANSAXLE DISTRESS DUE TO DISTORTED CHANNEL PLATE ASSEMBLY (TIGHT END PLAY)

#### MODELS: 1993 Chevrolet Lumina, Oldsmobile Eighty-Eight, Buick LeSabre and Regal Model Vehicles Equipped with 4T60-E Automatic Transaxles

#### TO: ALL GENERAL MOTORS DEALERS:

General Motors of Canada Limited has determined that certain 1993 Chevrolet Lumina, Oldsmobile Eighty-Eight, Buick LeSabre and Regal model vehicles equipped with 4T60-E automatic transaxles (RPO M13) may contain a distorted channel plate assembly. The suspect channel plate may be bowed, affecting the transaxle "end play." This could result in a variety of symptoms including noise, fluid leaks and eventually loss of forward drive capability.

To prevent the possibility of these conditions occurring, dealers are to replace the transaxle assembly with a new transaxle.

#### VEHICLES INVOLVED:

Involved are the following affected 1993 models:

#### Model VIN VIN ----- --- --- Chevrolet Lumina with 3.33 Drive Ratio:

2G1WL11T5P9256045 2G1WL51T9P9256055 2G1WN51T4P9257687 2G1WL51T0P9256008 2G1WN11TXP9254639 2G1WN51T5P9256239 2G1WL51T2P9255927 2G1WN11T6P9257585 2G1WN51T6P9256251 2G1WL51T3P9256049 2G1WN11T8P9255899 2G1WN51T6P9256279 2G1WL51T4P9254729 2G1WN11T8P9256048 2G1WN51T7P9256100 2G1WL51T5P9254657 2G1WN51TXP9255989 2G1WN51T7P9256307 2G1W131T5P9257557 2G1WN51TXP9257550 2G1WN51T7P9258302 2G1WL51T7P9255924 2G1WN51T0P9257749 2G1WN51T8P9256333 2G1WL51T9P9254628 2G1WN51T2P9256005 2G1WN51T8P9257451 2G1WL51T9P9254631 2G1WN51T4P9255972 2G1WN51T9P9258303

#### Model VIN VIN ----- --- --- Oldsmobile Eighty-Eight with 2.84 Drive Ratio:

1G3HY53L0PH349685 1G3HY53L6PH349738

Buick LeSabre with 2.84 Drive Ratio:

1G4BR53L2PH542784 1G4HR53L4PH542754 1G4HR53L9PH544841 1G4HR53L3PH545192 1G4HR53L8PH545026

Buick Regal with 3.06 Drive Ratio:

2G4WB11L0P1493191 2G4WB51T0P1493571 2G4WF11L7P1492995 2G4WB51L0P1492484 2G4WB51T5P1493114 2G4WF11L7P1493189 2G4WB51L1P1493241 2G4WB51T5P1493128 2G4WF11L8P1493251 2G4WB51L4P1492553 2G4WD51L0P1492544 2G4WF11L9P1492755 2G4WB51L4P1493198 2G4WD51L1P1492942 2G4WF51LXP1493145 2G4WB51L4P1493203 2G4WD51L2P1492965 2G4WF51L1P1492501 2G4WB51L5P1493095 2G4WD51L3P1493171 2G4WF51L3P1492810 2G4WB51L6P1493106 2G4WD51L3P1493252 2G4WF51L3P1493231 2G4WB51L7P1493163 2G4WD51L4P1492479 2G4WF51L7P1493247 2G4WB51L8P1493222 2G4WD51L5P1492748 2G4WF51L8P1493242 2G4WB51L9P1493228 2G4WD51L7P1492539 2G4WF51L9P1493122 2G4WB51T0P1493134 2G4WD51L9P1493188 2G4WB51T0P1493148 2G4WF11L2P1493245

#### NOTE: PLEASE CHECK DCS SCREEN 45 OR YOUR V.I.N. LISTING BEFORE PERFORMING CAMPAIGN TO ENSURE THAT THE VEHICLE IS AFFECTED. ONLY AFFECTED VIN'S WILL BE PAID.

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:

All unsold new vehicles in dealer's possession and subject to this campaign must be held and inspected/repaired per the Service Procedure of this Campaign Bulletin before owners take possession of these vehicles.

Dealers are to perform this campaign on all involved vehicles at no charge to owners, regardless of kilometers traveled, age of vehicle, or ownership, from this time forward.

Owners of vehicles recently sold from your new vehicle inventory with no owner information indicated on the dealer listing, are to be contacted by the dealer, and arrangements made to make the required correction according to instructions contained in this bulletin. This could be done by mailing to such owners a copy of the owner letter accompanying this bulletin. Campaign follow- up cards should not be used for this purpose, since the owner may not as yet have received the notification letter.

In summary, whenever a vehicle subject to this campaign is taken into your new or used vehicle inventory, or is in your dealership for service in the future, please take the steps necessary to be sure the campaign correction has been made before selling or releasing the vehicle.

#### 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 (see copy of owner letter included with this bulletin). Tbe listings provided are for campaign activity only and should not be used for any other purpose.

#### PARTS INFORMATION:

Parts required to complete this campaign should be ordered through the Technical Assistance Center - Car Chassis Department by calling 1-800-263-7740, as follows:

Carline/ Part Transaxle Final Drive Quantity/ Number Description Model Ratio Vehicle ------ ----------- --------- ------------ ---------- 24200735 Transaxle Assembly 3CMW Chev Lumina and Buick Regal 1 w/3.1L Engine/3.33 Ratio as req'd. 24200736 Transaxle Assembly 3WAW Buick Regal w/3.8L 1 Engine/3.06 Ratio as req'd. 24200737 Transaxle Assembly 3YMW Oldsmobile 88 and Buick 1 LeSabre w/3.8L Engine/2.84 as req'd. Ratio 10952315 Automatic Trans. Fluid 6 liters

#### 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 Failed Part Number Time Allowance ----------- ----------- ------------------ -------------- 2A Replace Transaxle Assy. 24200735 4.6 Chevrolet Lumina and Buick Regal w/3.1L/3.33

3A Replace Transaxle Assy. 24200737 4.9 Oldsmobile 88 and Buick LeSabre w/3.8L/2.84

4A Replace Transaxle Assy. 24200736 5.8 Buick Regal w/3.8L/3.06

Time allowance includes 0.1 hour for dealer administrative detail associated with this campaign. Parts credit will be based on dealer net plus 30% to cover parts handling.

#### SERVICE PROCEDURE:

1. Replace the transaxle assembly. See appropriate 1993 Service Manual, Section 7A for transaxle removal and replacement procedure.

2. Crate removed transaxle in the original shipping container and return in the usual manner with appropriate information included.

3. 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.

General Motors of Canada Limited has determined that certain 1993 Chevrolet Lumina, Oldsmobile Eighty-Eight, Buick LeSabre and Regal model vehicles equipped with 4T60-E automatic transaxles may contain a distorted channel plate assembly. The suspect channel plate may be bowed, affecting the transaxle "end play." This could result in a variety of symptoms including noise, fluid leaks and eventually loss of forward drive capability.

To prevent the possibility of these conditions occurring, dealers are to replace the transaxle assembly with a new transaxle.

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.

Customer Support Department General Motors of Canada Limited

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.