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CAMPAIGN: UPPER TRANSAXLE OIL COOLER LINE SEPARATION

SUBJECT: PRODUCT SAFETY CAMPAIGN 95-C-68 - UPPER TRANSAXLE OIL COOLER LINE SEPARATION -----------------------------------------------------

MODEL/YEAR: 1992-1995 CHEVROLET LUMINA MINIVAN WITH 3.8L ENGINE WITHOUT RPO V92 - TRAILER TOWING PACKAGE ----------------------------------------------------

To: All Chevrolet/Geo Dealers

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The National Traffic and Motor Vehicle Safety Act, as amended, provides that each vehicle which is subject to a recall campaign of this type must be adequately repaired within a reasonable time after the owner has tendered it for repair. A failure to repair within sixty (60) days after tender of a vehicle is prima facie evidence of failure to repair within a reasonable time.

If the condition is not adequately repaired within a reasonable time, the owner may be entitled to an identical or reasonably equivalent vehicle at no charge or to a refund of the purchase price less a reasonable allowance for depreciation.

To avoid having to provide these burdensome solutions, every effort must be made to promptly schedule an appointment with each owner and to repair their vehicle as soon as possible. As you will see in reading the attached copy of the letter that is being sent to owners, the owners are being instructed to contact the Chevrolet Customer Assistance Center if their dealer does not remedy the condition within five (5) days of the mutually agreed upon service date. If the condition is not remedied within a reasonable time, they are instructed on how to contact the National Highway Traffic Safety Administration.

DEFECT INVOLVED

General Motors has determined that a defect which relates to motor vehicle safety exists in certain 1992-95 Chevrolet Lumina Minivans, model vehicles located in certain states (see Vehicles Involved section) . These vehicles have an upper transaxle oil cooler hose which could pull out of the crimped coupling at the transaxle end of the assembly. Under certain climatic conditions and under certain driving conditions, if this coupling was to separate and an ignition source was present, an engine compartment fire could occur.

To prevent this condition from occurring, dealers are to install a new upper transaxle oil cooler line (to transaxle) on all involved vehicles.

VEHICLES INVOLVED

Involved are certain 1992-95 Chevrolet Lumina Minivan model vehicles which are located in certain states and were built within the following VIN breakpoints:

PLANT YEAR MODEL PLANT CODE FROM THROUGH ---- ----- ----- ----- ---- --------

1992 U-Van Tarrytown "T" NT100008 NT155323 1993 U-Van Tarrytown "T" PT100001 PT152786 1994 U-Van Tarrytown "T" RT100006 RT159814 1995 U-Van Tarrytown "T" ST100003 ST100599

Affected states are as follows:

Alaska Maryland New York Colorado Massachusetts Ohio Connecticut Michigan Pennsylvania Delaware Minnesota Rhode Island Illinois Montana South Dakota Indiana Nebraska Vermont Iowa North Dakota West Virginia Kentucky New Hampshire Wisconsin Maine New Jersey Wyoming

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, Division (see copy of owner letter included with this bulletin).

PARTS INFORMATION

NOTICE:

A pre-shipment of part number 10273332, will be sent to involved dealers the week of March 25, 1996. Preshipment will equal parts for 30% of the number of vehicles to be repaired. Preshipment parts will be charged to dealers' open parts account. Please refer to your "involved vehicle listing" prior to ordering additional quantities.

Additional parts required to complete this campaign are to be obtained from General Motors Service Parts Operations (GMSPO) . Normal orders should be placed on a DRO = Daily Replenishment Order. An emergency requirement should be ordered on a CSO = Customer Special Order.

Quantity/ Part Number Description Vehicle ----------- ----------- ----------

10273332 Hose Assembly, Transaxle Oil Cooler 1

12346145 Oil, Transmission (DEXRON III ) As Required

DEALER CAMPAIGN RESPONSIBILITY

All unsold new vehicles in dealers' 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 service all vehicles subject to this campaign at no charge to owners, regardless of mileage, 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 the instructions contained in this bulletin. This could be done by mailing to such owners a copy of the owners 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 enters your 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.

SPECIAL TOOL

Each dealer will be shipped (at no cost to dealer) a hose clamp pliers (J-41487) during the week of March 25, 1996. Additional tools if required can be obtained by calling Kent-Moore at 1-800- 345-2233. Dealers will be charged for additional tools ordered.

SERVICE PROCEDURE

1. Remove old upper transaxle oil cooler hose clamp and hose assembly (see figure on page 5).

2. Install new upper transaxle oil cooler hose assembly to transaxle finger tight (constant tension clamp IS supplied on hose assembly).

3. Tighten fitting at Transaxle to 23 Nm (16 lb. ft.).

4. Push hose onto cooler tube (at radiator) until hose end touches tube stop bead or is within 2 mm (0.08 in.) of stop bead.

5. Position clamp within 8mm (0.3 in.) from end of hose and install with Kent Moore hose clamp pliers J-41487 (Figure on page 6). Clamp placement is critical, improper location can cause leaks.

CAUTION:

Safety glasses must be worn when installing spring loaded clamps. A compressed spring could be propelled toward face possibly causing eye injury.

NOTICE: Be certain that clamp is placed in pliers correctly. Pliers should not come in contact with sides of clamp. Clamp should not be compressed beyond the stop tab. Improper installation can distort clamp and cause leaks.

6. Insure pipe is located properly in transaxle support bracket slot.

7. Check and refill transaxle as necessary. Use only DEXRON III Automatic Transmission Fluid. Start vehicle and check for fluid leaks.

8. Install Campaign Identification Label.

CAMPAIGN IDENTIFICATION LABEL

Each vehicle corrected in accordance with the instructions outlined in this Product Campaign Bulletin will require a "Campaign Identification Label". Each label provides a space to include the campaign number and the five (5) digit dealer code of the dealer performing the campaign service. This information may be inserted with a typewriter or a ball point pen.

Each "Campaign Identification Label", is to be located on the radiator core support in an area which will be visible when the vehicle is brought in for periodic servicing by the owner. When using the new campaign identification label, be sure to install the clear protective covering. Additional "Campaign Identification Labels" can be obtained from VISPAC Incorporated by calling 1-800-269-5100 (Monday through Friday 8:00 a.m. to 4:30 p.m. EST). Ask for Item Number S-1015 when ordering.

Apply "Campaign Identification Label", only on a clean, dry surface.

CLAIM INFORMATION

Submit a Product Campaign Claim with the information indicated below:

REPAIR PARTS FAILED PARTS LABOR LABOR NET PERFORMED COUNT PART NO. ALLOW CC-FC OP HOURS AMT ---------- ----- ------- ------ ----- ---- ----- ---

Replace Upper Transaxle Oil 1 10273332 ** MA-96 V9890 0.4 *** Cooler

* For Campaign Administrative Allowance, add 0. 1 hours to the "Labor Hours".

** The "Parts Allowance" should be the sum total of the current GMSPO Dealer Net price plus 1992-93/30% & 1994-95/40% of all parts required for the repair.

*** The amount identified in the "Net Amount" column should represent the sum of the current GMSPO Dealer Net price plus 30%/40%, for 1 pint of DEXRON III Automatic Transmission Fluid used to perform the required repairs.

Refer to the General Motors Claims Processing Manual for details On Product Campaign Claim Submission.

April, 1996

Dear Chevrolet Owner:

This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act.

REASON FOR THIS RECALL

General Motors has determined that a defect which relates to motor vehicle safety exists in certain 1992-95 Chevrolet Lumina Minivans, model vehicles located in certain states. These vehicles have an upper transaxle oil cooler hose which could pull out of the crimped coupling at the transaxle end of the assembly. Under certain climatic conditions and under certain driving conditions, if this coupling was to separate and an ignition source was present, an engine compartment fire could occur.

WHAT WE WILL DO

To prevent this condition from occurring, dealers will install a new transaxle oil cooler line (to transaxle) on all involved vehicles. This service will be performed for you at no charge.

WHAT YOU SHOULD DO

Please contact your Chevrolet dealer as soon as possible to arrange a service date and so the dealer may order the necessary parts for the Repair.

Instructions for making this correction have been sent to your dealer and parts are available. The labor time necessary to perform this service correction is approximately 15 to 25 minutes. Please ask your dealer if you wish to know how much additional time will be needed to schedule and process your vehicle.

Your Chevrolet dealer is best equipped to obtain parts and provide service to ensure that your vehicle is corrected as promptly as possible. If, however, you take your vehicle to your dealer on the agreed service date, and they do not remedy this condition on that date or within five (5) days, we recommend you contact the Chevrolet Customer Assistance Center by calling 1-800-222-1020.

After contacting your dealer and the Customer Assistance Center, if you are still not satisfied that we have done our best to remedy this condition without charge and within a reasonable time, you may wish to write the Administrator, National Highway Traffic Safety Administration, 400 Seventh Street, S.W., Washington, D.C. 20590 or call 1-800-424-9393 (Washington D.C. residents use 202-366-0123).

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

Chevrolet Motor Division GENERAL MOTORS CORPORATION

Enclosure


Object Number: 79807  Size: FS


Object Number: 77748  Size: FS


Object Number: 78687  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.