Roadmaster Estate Wagon V8-350 5.7L (1993)
Engine Oil: Recalls
Campaign - Oil/Filter Replacement
DCS NO. 93-04
GROUP NO. 6
DATE: November 6, 1992
SUBJECT:
Engine Oil/Filter Replacement - Campaign 93-C-1- Certain 1993 Roadmaster Sedans and Estate Wagons
TO: All Buick Dealers
(VIA DCS)
All Asst. Zone Managers-Service/Branch Managers
(VIA DISOSS)
Manager-Zone Service Operations - L.A.
(VIA DISOSS)
ATTN: DEALER PRINCIPAL, SERVICE MANAGER, AND PARTS MANAGER. IMPORTANT CAMPAIGN INFORMATION DELIVER
IMMEDIATELY
General Motors has determined that certain 5.7L (L05) engines have engine oil mixtures that do not meet the 5W-30 required fuel economy
improvement factor specification.
To correct this condition, dealers are to change the oil and replace the oil filter on affected vehicles prior to delivery. In addition, owners of sold vehicles
are to be contacted by the dealer and arrangements made to make the required correction.
VEHICLES INVOLVED:
Involved are 1993 Roadmasters equipped with 5.7L engines and built within the following VIN breakpoints:
Model
Engine
Year
Model
VIN Code
Plant
From
Through
1993
Roadmaster
7
Willow Run (W)
PW400001
PW401090
1993
Roadmaster
7
Arlington (R)
PR403109
PR409556
The specific vehicles involved in this campaign have been identified by vehicle identification number computer listings. These listings will be mailed to
all involved dealers with a paper copy of this message approximately November 11, 1992.
DEALER CAMPAIGN RESPONSIBILITY:
All unsold new vehicles in dealers' possession and subject to this campaign MUST be held and 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 are to be contacted by the dealer and arrangements made to make the required
correction according to instructions contained in this DCS.
If the name and address of the owner of an involved vehicle was unavailable to Buick Motor Division at the time of campaign initiation, the dealer must
determine the owner's name and address from the dealership sales records. Please submit the delivering information over the DCS. Terminal input
instructions are covered in the DCS manual under Section 9, page 9-JOlA and B.
OWNER NOTIFICATION:
Owners will be notified of this campaign on their vehicles by Buick Motor Division (copy of owner letter included with this message). A listing of owner
names and addresses will be furnished to the involved dealers to enable dealers to ,follow-up with owners involved in this campaign. This listing 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 this campaign.
PARTS INFORMATION:
Part Number
Description
Quantity
12345612
5W-30 Engine Oil
5 Qts.
6438261
Oil Filter (PF25)
1
