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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1416 (Engine Control System - 4.8L, 5.3L, & 6.0L - Introduction) >> Repair Instructions >> Evaporative Emission (EVAP) Canister Replacement (TrailBlazer, EXT, Envoy XL, Envoy XUV) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the fuel tank. Refer to Fuel Tank Replacement .
    3. Fig 1: Removing/Installing EVAP Canister
    GM887623Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the evaporative emission (EVAP) vapor pipe (2) from the EVAP canister.
  4. Disconnect the EVAP vent pipe (1) from the EVAP canister.
  5. Disconnect the EVAP purge pipe from the EVAP canister. The purge pipe is the small pipe next to the vapor pipe (2).
    6. IMPORTANT: Do not pry against the surface of the evaporative emissions canister. This could damage the canister.
  6. Remove the EVAP canister from the tabs of the canister bracket by inserting a flat head screwdriver into the center slots of the tabs as indicated in the illustration.
    7. Fig 2: Removing/Installing EVAP Canister In Bracket
    GM887629Courtesy of GENERAL MOTORS CORP.
  7. Pry the canister away from the tabs as indicated in the illustration.
  8. Slide the canister away from the single tab side to disengage the EVAP canister from the bracket.
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