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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) Hoses/Pipes Replacement - Engine >> 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.
IMPORTANT: Clean the tube connections and surrounding areas before disconnecting in order to avoid possible evaporative emission (EVAP) system contamination.
    Fig 1: Disconnecting/Connecting EVAP Pipe
    GM898353Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the EVAP tube from the EVAP canister purge solenoid.
    • Push the large size white retainer portion in.
    • Push down, while pulling up slightly in order to disengage the tube.
  2. Disconnect the EVAP tube from the chassis EVAP pipe.
    • Push the large size white retainer portion in.
    • Push down, while pulling up slightly in order the disengage the tube.
  3. Remove the EVAP tube.
  4. Cap the EVAP canister purge solenoid and the EVAP chassis pipe in order to prevent possible EVAP system contamination.
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