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Home >> Cadillac >> 2010 >> STS 3.6 V, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.6L - Repair Instructions >> Repair Instructions >> Fuel Line Replacement - Chassis (LP1, LY7) >> Installation Procedure

Installation Procedure

  1. Clean any of the contamination from the male line ends and apply a few drops of clean engine oil.
  2. With the aid of an assistant, carefully guide the chassis fuel hose/pipes up through the engine compartment into position.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    4. Fig 1: Pulling Right Side Transmission Support Down
    GM818898Courtesy of GENERAL MOTORS CORP.
  4. Pull the right side transmission support down only enough to allow installation of the chassis fuel hose/pipes.
    5. Fig 2: Transmission Support Bolts
    GM818897Courtesy of GENERAL MOTORS CORP.
  5. Install the transmission support right side bolts. Refer to Transmission Support Replacement .
    6. Fig 3: Fuel Filter Bracket & Bolt
    GM785814Courtesy of GENERAL MOTORS CORP.
  6. Install the EVAP hose to the fuel filter bracket:
    7. CAUTION: Refer to Fastener Caution .
  7. Install the fuel filter bracket bolt and tighten to 9 N.m (80 lb in).
  8. Install the fuel/brake bundle to the underbody.
    9. Fig 4: Chassis Hose/Pipe Retainers
    GM785812Courtesy of GENERAL MOTORS CORP.
  9. Complete the following in order to install the chassis hose/pipes to the retainers (2) located at the rearward portion of the rail:
    1. Install the chassis hose/pipes into the retainers (2).
    2. Close the retainers (2) at the top.
    3. Insert the retainers (2) into the rail.
  10. Install the chassis hose/pipes into the retainers (1) located at the forward portion of the rail.
  11. Close the retainers.
    12. Fig 5: Fuel/Brake Bundle Chassis Pipe Retainer Locking Mechanisms
    GM818896Courtesy of GENERAL MOTORS CORP.
  12. Push the locking mechanism (1) inward in order to engage the fuel/brake bundle chassis pipe retainers to the rail.
    13. Fig 6: Quick-Connect Fitting At Fuel Filter Inlet
    GM785816Courtesy of GENERAL MOTORS CORP.
  13. Connect the fuel feed pipe and the EVAP hose to the fuel bundle.
  14. Lower the vehicle.
    15. Fig 7: EVAP Purge Line, Fuel Feed Pipe & Purge Valve Solenoid Purge Line
    GM1348201Courtesy of GENERAL MOTORS CORP.
  15. Connect the evaporative emission (EVAP) purge line (3) to the purge solenoid.
  16. Connect the fuel feed pipe (1) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
    17. Fig 8: Fuel Pipe Retaining Clip
    GM1348198Courtesy of GENERAL MOTORS CORP.
  17. Install the fuel pipe retaining clip.
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