Recall - Catalytic Converter Bead Replacement: Overview

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.