G 2500 3/4 Ton Van V6-262 4.3L VIN Z (1992)
Technical Service Bulletin # 92-C-52
Date: 960601
Recall - Catalytic Converter Bead Replacement
GMC TRUCK
92-C-52
Issued: 06/01/96
CAMPAIGN: CATALYTIC CONVERTER..
PRODUCT EMISSION CAMPAIGN
SUBJECT:
92-C-52 - CATALYTIC CONVERTER BEAD REPLACEMENT
MODELS:
1992 C, K TRUCKS, M, L & G VANS EQUIPPED WITH 4.3L (LB4 OR L35) ENGINES (CALIFORNIA VEHICLES ONLY)
Certain 1992 C, K Trucks, and M, L, G Vans equipped with 4.3L engines (RPO LB4 - VIN Code Z or RPO L35 - VIN Code W) and California
emissions equipment (RPO NB2) and GVW less than 8500 lb. may be emitting non-methane hydrocarbons (NMHC) and oxides of nitrogen (NOx) in
excess of California emission standards. Excess emissions may cause a vehicle to fail state mandated emission tests.
To correct this condition, dealers are to replace the catalytic converter catalyst beads.
Vehicles Involved
Involved are certain 1992 C,K Trucks, and M,L,G Vans equipped with 4.3L engines and California emissions equipment (RPO NB2) and built within
the VIN breakpoints as shown.
NOTICE:
Dealers should confirm vehicle eligibility through VISS (Vehicle Information Service System) or ServiceNet (GMC only) prior to beginning
campaign repairs. [Not all vehicles within the above break points may be involved]
Involved vehicles have been identified by Vehicle Identification Number.
Computer listings containing the complete Vehicle Identification Number, customer name and address data have been prepared, and are being furnished
to involved dealers with the campaign bulletin. The Customer name and address data furnished will enable dealers to follow-up with customers involved
in this campaign. Any dealer not receiving a computer listing with the campaign bulletin has no involved vehicles currently assigned.
These dealer listings may contain customer 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.
Parts Information
Notice:
An initial supply of parts required to complete this campaign will be preshipped to involved California dealers of record only. This preshipment will
occur the week of July 22, 1996. Pre-shipped parts will be charged to dealer's open parts account.
Additional parts, if required, are to be obtained from General Motors Service Parts Operations (GMSPO). Please refer to your "involved vehicles listing"
