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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1415 (Engine Control System - 4.2L (Introduction)) >> Repair Instructions >> Evaporative Emission (EVAP) Canister Replacement (TrailBlazer EXT, Envoy XL, Envoy XUV) >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: Considerable force may be necessary to install the EVAP canister into the two tab side.
  1. Slide the EVAP canister into the single tab side and press the canister into the two tab side.

    Ensure the tabs have completely engaged.

    2. Fig 1: Removing/Installing EVAP Canister
    GM887623Courtesy of GENERAL MOTORS CORP.
  2. Connect the EVAP purge pipe to the EVAP canister. The purge pipe is the small pipe next to the vapor pipe (2).
  3. Connect the EVAP vent pipe (1) to the EVAP canister.
  4. Connect the EVAP vapor pipe (2) to the EVAP canister.
  5. Install the fuel tank. Refer to Fuel Tank Replacement (TrailBlazer, Envoy, Bravada, Rainier)  or Fuel Tank Replacement (TrailBlazer EXT, Envoy XL, Envoy XUV)  in Engine Controls - 4.2L.
  6. Lower the vehicle.
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