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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) Hoses/Pipes Replacement - Canister/Fuel Tank (Vapor Pipe) >> Removal Procedure

Removal 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.
CAUTION: Refer to Fuel and EVAP Pipe Caution in Cautions and Notices.
NOTE: Refer to Fuel and Evaporative Emission (EVAP) Hose/Pipe Connection Cleaning Notice in Cautions and Notices.
  1. Remove the fuel tank. Refer to Fuel Tank Replacement (TrailBlazer, Envoy, Bravada, Rainier)  or Fuel Tank Replacement (TrailBlazer EXT, Envoy XL, Envoy XUV) .
    2. Fig 1: Identifying Fuel Tank Components
    GM730888Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the evaporative emission (EVAP) vapor pipe at the fill limiter vent valve (3).
  3. Disconnect the EVAP vapor pipe from the front rollover valve (5).
  4. Remove the front retaining clip (6) from the fuel and EVAP pipes and remove the EVAP vapor pipe.
  5. Disconnect the EVAP vapor pipe from the fill limiter vent valve (3).
  6. Disconnect the EVAP vapor pipe from the rear rollover valve (2).
  7. Remove the EVAP vapor pipe.
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