Vehicles Involved, Service and Parts Information

Involved are some 1982 K20 Chevrolet Light Duty Trucks equipped with RPO LH6 (diesel engine), RPO MM7 (4-speed overdrive manual transmission) and RPO GT4 (3.73 ratio) rear axle within the following parameters:

Plant From Through

Flint CF306452 CF314995

Janesville CJ101939 CJ118895

St. Louis CS103268 CS119087

Oshawa C1104261 C1134075

Fremont (1) Unit CZ103440

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 the 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 was not shipped any involved vehicles.


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

This recall campaign is to be performed at no charge to owners on all affected vehicles regardless of time, mileage, or ownership. Dealers are to inspect and correct all affected vehicles in new and used vehicle stock prior to their sale.

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


SERVICE PROCEDURE

Removal and installation procedure for replacing the driven gear and sleeve may be found in the 1982 Light Duty Truck 10-30 Series Shop Manual, on Pages 7B3-2 and 7B3-3, titled "89MM Manual Transmission-Speedometer Driven Gear"

Upon completion of this modification, install the "Campaign Identification Label" according to the instructions contained in this bulletin.


PARTS INFORMATION

Dealers are requested to order the parts required to complete this campaign from Warehousing and Distribution Division of General Motors.

Part Numbers Quantity Per Vehicle Description

6264903 1 "O" Ring Seal

14018671 1 Upper Seal

1362294 1 Sleeve

The following list identifies the correct speedometer driven gear to use when making this replacement.

If old gear is or tires are Procure this gear

43 teeth (purple) 7.50 R16 D On/Off Rd. 1359270 36 teeth (white)

44 teeth (gray) LT235/85 R16 D
LT235/85 R16 E 7.50 R16 D Hwy

45 teeth (Lt. Blue) LT215/85 R16 C 1359272 38 teeth ( blue)