CAMPAIGN:STARTER MOTOR PINION STOP. Chevrolet Corsica 1994

For 1990-2009 cars

# CAMPAIGN:STARTER MOTOR PINION STOP

#### Subject: PRODUCT CAMPAIGN 94C16 - STARTER MOTOR PINION STOP

#### Model and Year: 1994 J, L, W CARS; G, U, M/L VANS; C/K, S/T TRUCKS

#### To: All Chevrolet/Geo Dealers

THIS IS A SUMMARY OF CHEVROLET CAMPAIGN NUMBER 94C16, ORIGINALLY ISSUED AS DCS ADMINISTRATIVE MESSAGE 01-007 ON JANUARY 4, 1994.

General Motors has determined that all 1994 Chevrolet vehicles listed in this campaign may have a starter motor with an improperly heat treated pinion stop collar. This condition may result in part failure causing slow engine crank speeds or an engine no start condition.

To prevent the failure from occurring, dealers are to inspect and repair certain starter motors from the vehicles identified below. Starter motors with date codes of N093, N103, N113, N123, N153 and N163 are to be repaired by replacing the pinion stop collar and retaining ring. No repairs are necessary on motors that fall outside of these date codes.

#### VEHICLES INVOLVED

Involved are all 1994 Chevrolet vehicles built within the following VIN breakpoints:

ENGINE PLANT YEAR MODEL PLANT CODE CODE FROM THROUGH --------------------------------------------------------------------------- 1994 J-Car Lordstown 4 "7" R7182409 R7196426

1994 J-Car Lordstown T "7" R7182411 R7196427

1994 L-Car Wilmington 4 "Y" RY148458 RY153462

1994 L-Car Wilmington A "Y" RY148865 RY153328

1994 L-Car Wilmington M "Y" RY142451 RY153463

1994 W-Car Oshawa #1 T,X "9" R9157236 R9169993

1994 W-Car Oshawa #2 T,X "1" R1113283 R1116633

1994 U-Van Tarrytown D,L "T" RT113391 RT116863

1994 S Truck Shreveport 4 "8" R8131194 R8139429

1994 S Truck Linden 4 "K" RK121601 RK126938

1994 S/T Truck Shreveport Z,W "8" R8133517 R8139431

1994 S/T Truck Moraine Z,W "2" R2137754 R2149488

1994 S/T Truck Linden Z,W "K" RK112441 RK126948

1994 M/L Van Baltimore Z,W "B" RB144075 RB151843

1994 C/K Truck Pontiac East H,Z "E" RE157010 RE162518

1994 C/K Truck Oshawa #2 H,Z "1" R1164759 R1169974

1994 C/K Truck Fort Wayne H,Z "Z" RZ155486 RZ161544

1994 G-Van Flint H,Z "F" RF128363 RF131337

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

#### 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 f or 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.

#### PARTS INFORMATION

Parts required to complete this campaign are to be obtained from General Motors Service Parts Operations (GMSPO). To ensure these parts will be obtained as soon as possible, they should be ordered from GMSPO on a "C.I.O." order with no special instruction code, but on an advise code (2).

#### NOTICE: All dealers were preshipped a quantity of each part during the week of January 3, 1994. Please do not order excessive quantities for stock as this causes material shortages and unnecessary customer inconvenience.

Quantity/ Part Number Description Vehicle ---------- ----------- --------- 01927849 Pinion Stop Collar 1 (Merchandised Package of 10)

01927848 Retaining Ring 1 (Merchandised Package of 10)

#### SERVICE PROCEDURE

#### STARTER MOTOR REMOVAL AND REPLACEMENT

1. All vehicles within breakpoints should be inspected to determine starter motor date codes. Date codes are imprinted on upper half of tag located on motor end of starter. Tag information is read upside down as viewed from bottom.

2. A.) Most vehicles may be inspected by utilizing a mirror, flashlight, and/or use of a pliable material such as modeling clay or similar material to make an impression of the date code. After making an impression, read code with a mirror.

B.) Some vehicles such as W-Cars with L82 engines may require removal of an oil filter drip pan to gain access to read the date codes.

C.) Some vehicles equipped with oil coolers and 2.OL (LE4) equipped J-Cars & T trucks will require starter motor removal to read date codes per section 6D2 of the service manual.

3. Remove all starter motor assembly per instructions in appropriate 1994 service manual section 6D2 with date codes N093, N103, N113, N123, N133, N153 & N163 and perform pinion stop collar procedure.

#### Notice: Disconnect negative battery cable after noting radio station settings.

4. Reinstall starter motor per instructions in service manual, section 6D2. Reset radio settings as noted and reset clock.

5. Install Campaign Identification Label.

#### PINION STOP COLLAR REPLACEMENT PROCEDURE

1. Remove field lead attaching screw from solenoid terminal.

2. Loosen but do not remove through bolts in starter motor assembly. Do not separate the commutator end and frame.

3. Separate frame with armature inside from housing.

4. Remove thrust collar from end of shaft if it is not stuck to housing.

5. Use care in removing and installing retaining ring to prevent scratching or damaging armature shaft.

6. Remove pinion stop retaining ring first by prying pinion stop collar off the ring. Pry pinion stop ring off armature with a small screw driver. Do not reuse ring.

7. Remove pinion stop collar from armature shaft. Do not reuse collar.

8. Install new pinion stop collar on armature shaft. Flat side goes towards pinion.

9. Install new retaining ring onto armature shaft and seat it in shaft groove. Use due care not to damage armature shaft.

10. Install thrust collar onto armature shaft with small flange toward retaining ring. Use two pliers to squeeze pinion stop collar and the thrust collar to seat the stop collar on the retaining ring.

11. Assemble frame, armature and drive assembly into housing. Ensure shift lever is engaged with drive assembly. Ensure armature shaft is engaged with housing bearing. Tighten through bolts.

12. Install starter field lead to solenoid.

13. 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. Additional "Campaign Identification Labels" can be obtained from DAC.

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

#### CLAIM INFORMATION

Submit a Product Campaign Claim with the information indicated below:

* FAILED PARTS LABOR LABOR OTHER REPAIR PERFORMED PC PART NO. ALLOW CC-FC OP HOURS HOURS ------------------------------------------------------------------------ Inspect - No Repair Required - - - - -- SK-00 V8530 0.2 0.1 Starter Removal Not required

Inspect - No Repair Required - - - - -- SK-00 V8531 0.7 0.1 Starter Removal Required

Inspect - Starter 2 01927849 ** SK-00 V8532 1.2 0.1 Repaired

* Campaign Administrative Allowance.

** The "Parts Allowance" should be the sum total of the current GMSPO Dealer Net price plus 40% of all parts required for the repair.

Dealers will automatically receive the correct labor and material allowance based on the labor operation performed.

Refer to the Chevrolet Claims Processing Manual for details on Product Campaign Claim Submission.

Dear Chevrolet Owner:

This notice is sent to inform you that Chevrolet Motor Division is conducting a recall campaign that includes your vehicle.

#### REASON FOR THIS RECALL

General Motors has determined that certain 1994 Chevrolet vehicles, such as yours, may have a starter motor with an improperly heat treated pinion stop collar. This condition may result in part failure causing slow engine crank speeds or an engine no start condition.

#### WHAT WE WILL DO

To prevent the failure from occurring, your dealer will inspect and, if necessary repair, the starter motor on your vehicle. 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 f or the repair. Instructions for performing this service have been sent to your dealer and parts are available. Please contact your dealer to arrange a service date as soon as possible. You may ask your dealer if you wish to know how much time will be needed to schedule and process your vehicle.

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 continued satisfaction with our products.

Chevrolet Motor Division GENERAL MOTORS CORPORATION

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.