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HOMESERVICE MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 4.2L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSFUEL HOSE/PIPES REPLACEMENT - CHASSISINSTALLATION PROCEDURE
2006 Isuzu Ascender S, 5.3 M, 4WD

Installation Procedure

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: EVAP, Fuel Hose & Pipe Assembly
    GM1368523Courtesy of GENERAL MOTORS CORP.
  1. Position the fuel feed pipe (1) to the EVAP purge pipe (2).
  2. Install the EVAP/fuel hose/pipe assembly clips as noted during disassembly.
  3. Position the EVAP/fuel hose/pipe assembly along the engine and transmission.
    4. Fig 2: Identifying Fuel Feed Pipe & EVAP Pipes
    GM1368522Courtesy of GENERAL MOTORS CORP.
  4. Connect the chassis fuel feed pipe (1) to the fuel tank. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  5. Connect the chassis EVAP purge pipe (2) to the fuel tank. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    6. Fig 3: Fuel Feed And Fuel Return Pipes (Left Side Of Engine)
    GM730718Courtesy of GENERAL MOTORS CORP.
  6. Install the EVAP/fuel hose/pipe assembly (4) to the fuel pipe clip at the rear of the engine.
  7. Use the following procedure with two wheel drive (2WD):
      Fig 4: Locating EVAP/Fuel Hose/Pipe Assembly Retaining Bolt
      GM730721Courtesy of GENERAL MOTORS CORP.
    1. Install the EVAP/fuel hose/pipe assembly into the clip (1) at the rear of the transmission.
      2. NOTE: Refer to Fastener Notice in Cautions and Notices.
    2. Position the EVAP/fuel hose/pipe assembly against the transmission and install the retaining bolt (3) through the EVAP/fuel hose/pipe assembly strap into the transmission.

      Tighten:  Tighten the bolt to 3.75 N.m (33 lb in).

    3. Raise the transmission to the normal installed position.
    4. Install the transmission support. Refer to Transmission Support Replacement in Frame and Underbody.
  8. Use the following procedure with four wheel drive (4WD):
      Fig 5: Locating EVAP/Fuel Hose/Pipe Assembly Retaining Bolt
      GM730723Courtesy of GENERAL MOTORS CORP.
    1. Install the EVAP/fuel hose/pipe assembly (2) into the clip at the rear of the transmission.
    2. Position the fuel EVAP/fuel hose/pipe assembly against the transmission and install the retaining bolt (3) through the EVAP/fuel hose/pipe assembly strap into the transmission.

      Tighten:  Tighten the bolt to 3.75 N.m (33 lb in).

    3. Raise the transmission to the normal installed position.
    4. Install the transmission support. Refer to Transmission Support Replacement in Frame and Underbody.
    5. Install the transfer case. Refer to Transfer Case Assembly Replacement in Transfer Case - NVG 126-NP4.
  9. Lower the vehicle.
    10. Fig 6: Fuel Feed Pipe, EVAP Purge Pipe & Clip
    GM1368525Courtesy of GENERAL MOTORS CORP.
  10. Connect the EVAP purge pipe (1) to the EVAP canister purge valve.
  11. Connect the integral clip (2) to the wire harness bracket.
  12. Connect the fuel feed pipe (3) to the fuel rail. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
    13. Fig 7: View Of Engine Coolant Temperature Electrical Connector
    GM1288027Courtesy of GENERAL MOTORS CORP.
  13. Connect the engine coolant temperature sensor electrical connector (1).
    14. Fig 8: View Of PCM Assembly
    GM1284769Courtesy of GENERAL MOTORS CORP.
  14. Install the PCM (1) onto the studs (5).
  15. Install the PCM retaining bolts (3).

    Tighten:  Tighten the bolts to 8 N.m (71 lb in).

  16. Install the PCM retaining nuts (6).

    Tighten:  Tighten the nuts to 8 N.m (71 lb in).

  17. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  18. Inspect for leaks using the following procedure:
    1. Turn ON the ignition, with the engine OFF for 2 seconds.
    2. Turn OFF the ignition, for 10 seconds.
    3. Turn ON the ignition, with the engine OFF.
    4. Inspect for fuel leaks.
  19. Install the fuel tank shield, if equipped. Refer to Fuel Tank Shield Replacement (TrailBlazer, Envoy) or Fuel Tank Shield Replacement (TrailBlazer EXT, Envoy XL) in Frame and Underbody.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.