Yukon V8-350 5.7L (1992)
Technical Service Bulletin # 96022
Date: 961001
Recall - Updates 92-C-53 Converter Bead Replacement
CHEVROLET
96022
Issued: 10/01/96
CAMPAIGN: CATALYTIC CONVERTER BEAD REPLACEMENT
PRODUCT EMISSION CAMPAIGN
SUBJECT:
96022 - CATALYTIC CONVERTER BEAD REPLACEMENT
MODELS:
1992 C, K TRUCKS, G VANS EQUIPPED WITH 5.0L (L03); AND C,K TRUCKS
(EXCEPT 4WD SUBURBANS), G VANS EQUIPPED WITH 5.7L (L05) ENGINES AND LIGHT-DUTY EMISSIONS EQUIPMENT (BELOW 8500
GVW - RPO NA1) [CALIFORNIA VEHICLES ONLY]
THIS BULLETIN SUPPLEMENTS BULLETIN 92-C-53 ISSUED JULY, 1996. THIS SUPPLEMENT CONTAINS CHANGES IN THE "VEHICLES
INVOLVED", "CUSTOMER NOTIFICATION", "SERVICE PROCEDURE", AND "CLAIM INFORMATION" SECTIONS. CHANGES OR
ADDITIONS ARE SHOWN IN BOLD AND ITALIC TYPE. ADDITIONALLY, A NEW OWNER'S LETTER WILL BE SENT TO CUSTOMERS
THAT ARE NOT REGISTERED IN THE STATE OF CALIFORNIA. A COPY OF THE NEW LETTER IS ATTACHED. THIS SUPPLEMENT
SHOULD BE FILED WITH BULLETIN 92-C-53.
Certain 1992 C, K Trucks, and G Vans equipped with 5.0L engines (RPO L03 - VIN Code H) and California emissions equipment (RPO NB2); C, K
Trucks (except 4WD Suburbans) and G Vans equipped with 5.7L engines (RPO L05 - VIN Code K) and Light-Duty emissions equipment (below 8500
lbs. GVW - RPO NA1) and California emissions equipment (RPO NB2) may be emitting non-methane hydrocarbons 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
This recall campaign applies only to vehicles registered in California. Vehicles registered outside California may have this campaign closed by returning
a reply card (see owner notification section), or the Chevrolet/GMC dealer in their state may close (see "Claim Information" section). If a vehicle is
registered outside of California, but will be registered in California in the future, the campaign should remain open until the vehicle is registered in
California. The customer should be instructed to have the service procedure performed at a Chevrolet/GMC dealer located in California.
Involved are certain 1992 C, K Trucks, and G Vans equipped with 5.0L engines (RPO L03 - VIN Code H) and California emissions equipment (RPO
NB2); C, K Trucks (except 4WD Suburbans) and G Vans equipped with 5.7L engines (RPO L05 - VIN Code K) and Light-Duty emissions equipment
(below 8500 lbs. GVW - RPO NA1) 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 breakpoints may be involved]
Customer Notification
Customers will be notified of this campaign on their vehicles by General Motors (see copy of divisional customer letter(s) included with this bulletin).
