Dealer Responsibility and Parts Information

Dealers are to replace the camshaft on involved vehicles, at no charge to the owner, if it is determined to have lobe wear and the vehicle is within the time and mileage parameters of this policy.

If camshaft replacement is necessary, the worn camshaft and associated parts must be held for zone personnel to scrap.
Parts Information

The following list of parts will be required if camshaft replacement becomes necessary. These parts are available from the Parts Distribution Centers of the General Motors Warehousing and Distribution Division (WDDGM).

Part Number Description Quantity

1628822 Camshaft Replacement Kit 1 kit per vehicle
1627340* Rocker Arm Cover Gasket 2 per vehicle
3634584 Intake Manifold Gasket Kit 1 kit per vehicle
1628915 Front Cover Gasket 1 per vehicle
25010324 Oil Filter 1 per vehicle
Engine Oil As Required

*RTV may be used instead of a gasket.

If there is difficulty in obtaining these parts using normal ordering procedures, dealers may place a C.I.O. order using Advise Code "2" with no special Instruction Code. They may also be ordered on a V.I.P. order; however, unless prior zone approval is obtained, dealers will be required to absorb any surcharge involved under the V.I.P. system.

If any problems are encountered in obtaining these parts, please follow the three-step procedure as stated in the GM Parts Emergency Order Follow-up Procedure. (Refer to GM Parts Policy and Procedure Manual, Exhibit 20, Section IV, page 38.)