Ninety-Eight V6-252 4.1L VIN 4 4-BBL (1982)
Technical Service Bulletin # 82E4
Date: 850101
Recall - Catalytic Converter replacement
SUBJECT
RESTRICTED CATALYTIC CONVERTER
NUMBER: 82-E-4
DATE:
Jan. 11, 1985
MODELS/YEARS ALL 1981 & 1982 NINETY-EIGHTS & TORONADOS
SECTION: 6F
EQUIPPED WITH 4.1L (VIN CODE 4) V-6 ENGINES
General Motors has determined that certain 1981 and 1982 Ninety-Eights and Toronados equipped with 4.1L V-6 engines may develop a restricted
catalytic converter resulting in poor engine performance or a no-start condition.
To prevent the possibility of this condition occurring on vehicles involved, the catalytic converter will require replacement..
VEHICLES INVOLVED
Model Year
Models Involved
1981
All Ninety-Eights and Toronados
equipped with 4.1L (VIN Code 4) engines.
1982
All Ninety-Eights and Toronados
equipped with 4.1L (VIN Code 4) engines.
Vehicles that have had the catalytic converter replaced with part number 25056620 converter are not involved in this campaign.
DEALER ACTION
Dealers are to service all vehicles subject to this campaign at no charge to owners regardless of mileage, age of vehicle, or ownership from this time
forward.
Whenever a vehicle subject to this campaign is taken into your used vehicle inventory or it is in your dealership for service in the future, you should take
the steps necessary to be sure the campaign correction has been made.
Service Procedure
A.
Inspection
1.
Install seat and fender covers and raise vehicle on hoist.
FIGURE 1
2.
Determine part number of converter on vehicle. Refer to Figure 1 for location of catalytic converter part number.
a.
If converter is part number 25056620, it should not be replaced. Lower vehicle and install campaign identification label, Part C of this
procedure.
b.
If the converter IS NOT identified as part number 25056620, it should be replaced as instructed in Part B of this procedure.
B.
Converter Replacement
