Owner Notification, Dealer Responsibility, and Service Procedure
OWNER NOTIFICATIONOwners 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
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.
Figure No. 1:
SERVICE PROCEDURE
Inspect both engine oil cooler lines for manufacturing date code (reference the 1985 Light Duty Truck Service Manual, ST-330-85, for cooler line location). Lines marked with a date code of 2654, as shown in Figure No. 1, must be replaced. In addition, replace the cooler line if the date code cannot be read or if the date code does not appear on the hose section of the line.
Lines with identification numbers other than above are OK and are not to be replaced.