Campaign - Inoperative Canister Purge TVS: Overview
87chevy21Number: 83C26
Section: 6E
Date: November, 1987
Subject: PRODUCT EMISSION CAMPAIGN 83C26 EVAPORATIVE CANISTER PURGE THERMO VACUUM SWITCH (TVS)
Model and Year: 1983 CHEVROLET CAPRICE CLASSIC, IMPALA, CAMARO, MALIBU, MONTE CARLO AND EL CAMINO MODELS EQUIPPED WITH 3.8L (RPO LC3, VIN CODE 9), 5.0L (RPO L69, VIN CODE 7), 5.0L (RPO LG4, VIN CODE H), OR 5.7L (RPO LM1,VIN CODE 6) ENGINE
TO: ALL CHEVROLET DEALERS
General Motors has determined that certain 1983 Chevrolet model vehicles may experience an inoperative canister purge Thermo Vacuum Switch (TVS). An inoperative canister purge TVS can affect the intended function of the evaporative emission system.
To prevent the possibility of this condition occurring, the canister purge TVS will be replaced on all involved vehicles.