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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 - Chassis (Pickup) >> Installation Procedure

Installation 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.
  1. Install the fuel and EVAP bundle.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the fuel and EVAP bundle nuts.

    Tighten:  Tighten the nuts to 12 N.m (106 lb in).

    3. Fig 1: Fuel And EVAP Bundle & Clip Nuts
    GM1228114Courtesy of GENERAL MOTORS CORP.
  3. Remove the caps from the fuel and EVAP lines at the fuel tank.
    4. Fig 2: Fuel And EVAP Lines At The Fuel Tank
    GM1238591Courtesy of GENERAL MOTORS CORP.
  4. Connect the fuel and EVAP quick connect fittings. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  5. If equipped with 4WD, install the fuel line clip to the bracket on the transfer case.
  6. Install the fuel line clip(s) to the bracket(s) on the transmission.
    7. Fig 3: Fuel Line Clip & Bracket At Transmission
    GM1549617Courtesy of GENERAL MOTORS CORP.
  7. Install the fuel pipe bracket to the bellhousing stud.
  8. Install the fuel pipe bracket nut.

    Tighten:  Tighten the nut to 10 N.m (89 lb in).

    9. Fig 4: View Of Fuel Pipe Bracket & Nut At Bellhousing
    GM1238747Courtesy of GENERAL MOTORS CORP.
  9. Lower the vehicle.
  10. Remove the cap from the fuel rail.
  11. Connect the fuel feed line (1) at the engine. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  12. Connect the EVAP canister purge tube line (2).
    13. Fig 5: Identifying Fuel Feed & EVAP Pipes
    GM1238585Courtesy of GENERAL MOTORS CORP.
  13. Install the fuel fill cap.
  14. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
  15. Use the following procedure in order to inspect for leaks:
    1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    2. Turn the ignition OFF for 10 seconds.
    3. Turn the ignition ON, with the engine OFF.
    4. Inspect for fuel leaks.
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