Searching Google for Chevrolet Service Bulletin No. 82-T-58 only came up
with this. I'd recommend calling your local dealer and asking them to look
it up for you.
SERVICE BULLETIN NUMBER: 82-T-58
Bulletin Sequence Number: 157
Date of Bulletin: July 1982
NHTSA Item Number: 62496
Model: Monte Carlo
Component: Exhaust System: Converter Summary: 1982 DUAL BED BEAD CATALYTIC
CONVERTER REPLACEMENT PROCEDURES 1982 B, F, AND G CARS WITH 3.8L, 4.4L, 5.0L
AND 5.7L ENGINES
Alldata only goes back to 1982. You'd have to find the old 1981 and older Chevy
bulletins. However, as I remember, there were catalyst changes in some of those
The vehicle had the campaign done and the sticker is affixed by law.
Joe--ASE Certified Parts Specialist & 10th Ann.Club Tech Director
'80 Carousel Red Turbo T/A, 26k orig.
'79 "Y89" 400/4 speed 10th Ann. T/A, 57k orig
'84 Olds 88 Royale Bgm 2 dr, 307 "Rocket" (lol), 141k and still going....
'80 T/A project car...
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