Electra Park Avenue V8-307 5.0L (1983)
Catalytic Converter: All Technical Service Bulletins
Campaign - Restricted Catalytic Converter
Model Year
1983
Bulletin No.
83-C-11
File in Group 64
Number
24
Date
Nov. 1985
SUBJECT:
RESTRICTED CATALYTIC CONVERTER
MODELS AFFECTED: SOME 1983 ELECTRAS, LESABRES, AND RIVIERAS EQUIPPED WITH 5.0L (VIN CODE Y) V-8 ENGINES
General Motors has determined that some 1983 Electras, LeSabres, and Rivieras with 5.0L V-8 gasoline engines may develop a restricted exhaust due to
the catalytic converter becoming plugged.
VEHICLES INVOLVED
1983 Electras, LeSabres, and Rivieras equipped with 5.0L V-8 gasoline engines (VIN Code Y) with serial numbers within the following breakpoints:
Model
Assembly Plant
From
Through and Including
LeSabre and
Electra Coupes
and Sedans
Flint
DH400001
DH479299
LeSabre Coupes and Sedans, LeSabre and Electra Estate
Wagons
Fairfax
DX400001
DX453436
Rivieras
Linden
DE400001
DE431457
Vehicles that have had the catalytic converter replaced since approximately June 1, 1983 with the new type basketed converter assembly or that have had
the converter kit part number listed in this bulletin and in Dealer Bulletin 83-235 installed need not have this campaign performed.