Recall - Diesel Engine Exhaust Emissions: Overview

Number 84-C-06 Date 8/84


Subject: PRODUCT CAMPAIGN 84-C-06 DIESEL ENGINE EMISSIONS


MODELS AFFECTED: 1984 GRAND PRIX WITH V-8 DIESEL ENGINES LOW AND HIGH ALTITUDE

CONDITION

General Motors has determined that certain early built 1984 Grand Prix models equipped with a 5.7L V-8 diesel engine may have been built incorrectly and, therefore, may not comply with exhaust emission standards.

Vehicles involved may have been manufactured with the following two conditions:

A. The wiring harness leads to the altitude advance diode were reversed.

B. The wiring harness cold advance diode was reversed.

VEHICLES INVOLVED

Certain 1984 Grand Prix models with V-8 diesel engine built from the start of production through the following serial number.

ASSEMBLY UP TO AND
MODEL PLANT BEGINNING INCLUDING

Grand Prix Baltimore SOP EB214726

DEALER ACTION

Dealers are to perform this recall campaign at no charge to the owner on affected vehicles, regardless of time, mileage or ownership, and are to correct all affected vehicles in dealer new and used car inventory prior to sale.

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

Dealers are to perform the campaign services on all affected vehicles as they are brought in for any kind of service until all affected vehicles have been corrected.

OWNER NOTIFICATION

Owners will be notified of this campaign on their vehicles by Pontiac Motor Division (see copy of Owner Letter included with this bulletin).

DEALER CAMPAIGN RESPONSIBILITY

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.

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 before reselling or releasing the vehicle.

Owners of vehicles recently sold from your new vehicle inventory are to be contacted by the dealer, and arrangements made to make the required modification according to instructions contained in this bulletin.