Cutlass V8-307 5.0L VIN 9 4-bbl HP (1984)
Technical Service Bulletin # 84E046E
Date: 890301
Recall - Evaporative Canister Purge TVS Replacement
SUBJECT:
EVAPORATIVE CANISTER PURGE THERMO VACUUM SWITCH (TVS)
MODELS/YEARS:
CERTAIN 1984 CUTLASS SUPREME, CUTLASS
CALAIS, DELTA 88, CUSTOM CRUISER, NINETYEIGHT AND TORONADO MODELS EQUIPPED WITH 5.0L
ENGINES (RPO LV2 OR LG8, VIN CODE Y OR 9)
NUMBER:
84-E-04
DATE:
March 1989
SECTION:
6E
CONDITION
General Motors has determined that certain 1984 Oldsmobile model vehicles equipped with 5.0L engines may experience an inoperative canister purge
Thermo Vacuum Switch (TVS). An inoperative canister purge TVS can affect the intended function of the evaporative emission control system.
VEHICLES INVOLVED
Involved are certain 1984 Oldsmobile Cutlass Supreme, Cutlass Calais, Delta 88, Custom Cruiser, NinetyEight, and Toronado models equipped with
5.0L engines (RPO LV2 or LG8, VIN Code Y or 9) produced from the start-of-production through the end-of-production.
DEALER ACTION
To prevent the possibility of this condition occurring, dealers are to replace the canister purge TVS on all involved vehicles.
If there is evidence of intentional disablement of the evaporative emission system, the dealer is to notify the vehicle owner of this condition and ask if
he/she wants the system restored. Restoration cost is the responsibility of the owner.
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 car inventory, or it is in your dealership for service, you are to ensure the campaign
correction has been made before selling or releasing the vehicle.
Dealers are to contact owners of vehicles recently sold from your used vehicle inventory and arrange for the campaign correction to be performed.
Service Procedure
FIGURE 1
