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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 973 (Engine Controls - 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 Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Clean the evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the fittings in order to avoid possible system contamination.
  1. Remove the engine sight shield. Refer to Engine Sight Shield Replacement (4.8L, 5.3L, and 6.0L Engines) or Engine Sight Shield Replacement (6.0L Engine w/RPOs Y91 and Z88) in Engine Mechanical - 4.8L, 5.3L, and 6.0L.
  2. Disconnect the EVAP tube from the EVAP canister purge solenoid (1).
    1. Push the large side white retainer portion in.
    2. Push down, while pulling up slightly in order to disengage the tube.
  3. Disconnect the EVAP tube from the chassis EVAP pipe (2).
    1. Push the large side white retainer portion in.
    2. Push down, while pulling up slightly in order to disengage the tube.
    4. Fig 1: EVAP Purge Solenoid & EVAP Chassis Pipe
    GM832127Courtesy of GENERAL MOTORS CORP.
  4. Remove the EVAP tube.
  5. Cap the EVAP canister purge solenoid and EVAP chassis pipe in order to prevent possible EVAP system contamination.
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