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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 978 (Engine Controls - 4.3L (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 Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Clean the pipe connections and surrounding areas before disconnecting in order to avoid possible evaporative emission (EVAP) system contamination.
  1. Disconnect the EVAP pipe at the EVAP canister purge valve.
  2. Disconnect the EVAP pipe from the chassis pipe.
  3. Remove the EVAP pipe.
    4. Fig 1: View Of EVAP Hoses/Pipes (Engine)
    GM869712Courtesy of GENERAL MOTORS CORP.
  4. Cap the EVAP purge valve and the chassis EVAP pipe in order to prevent possible EVAP system contamination.
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