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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - 4.8L, 5.3L & 6.0L (Introduction)) >> Repair Instructions >> Evaporative Emission (EVAP) Hoses/Pipes Replacement - Chassis (1500 Series - 5.3L (L59) Engine) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Fuel/EVAP Line Bundle (1500 Series - 5.3L (L59) Engine)
    GM856649Courtesy of GENERAL MOTORS CORP.
  1. Install the EVAP/fuel hose/pipe assembly.
  2. Install the EVAP hose/pipe clips to the brace.
  3. Install the fuel hose/pipe clips to the frame and brace.
  4. Remove the caps from the fuel pipes at the fuel tank.
    5. Fig 2: View Of Chassis Fuel Pipe & Fuel Tank Pipe
    GM855745Courtesy of GENERAL MOTORS CORP.
  5. Connect the fuel feed and return pipes (4) to the fuel tank pipes (3). Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    6. Fig 3: View Of Fuel Filter Bracket Bolt, Fuel Hose/Pipe Bracket Bolt & Integral Locator Tab
    GM855761Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Insert the integral locator tab (3) into the hole in the frame.
  7. Install the fuel hose/pipe bracket (1) bolt.

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

  8. Install the fuel filter bracket bolts (2).

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

  9. Install the EVAP canister. Refer to Evaporative Emission (EVAP) Canister Replacement (1500 Series)  or Evaporative Emission (EVAP) Canister Replacement (1500 Series - 5.3L (L59) Engine)  or Evaporative Emission (EVAP) Canister Replacement (2500 Series) .
    10. Fig 4: View Of Fuel Hose/Pipe Clip At Bracket On Transfer Case
    GM300385Courtesy of GENERAL MOTORS CORP.
  10. If equipped with 4WD, install the fuel hose/pipe clip to the bracket on the transfer case.
    11. Fig 5: View Of Fuel Line Clip At Bracket On Automatic Transmission
    GM856646Courtesy of GENERAL MOTORS CORP.
  11. Install the fuel hose/pipe clip to the bracket on the automatic transmission.
    12. Fig 6: View Of EVAP/Fuel Hose/Pipes
    GM856643Courtesy of GENERAL MOTORS CORP.
  12. Install the fuel hose/pipe bracket to the bellhousing stud.
  13. Install the fuel hose/pipe bracket nut (2).

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

  14. Reposition and install the front propeller shaft bolts. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
  15. Lower the vehicle.
  16. Remove the caps from the fuel rail and EVAP pipes.
  17. Connect the canister purge tube (3).
  18. Connect the fuel feed and return pipes (1) at the fuel rail. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  19. Install the fuel fill cap.
  20. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  21. Use the following procedure 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 leaks.
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