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Home >> Cadillac >> 2009 >> CTS Base, 3.6 V, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.6L - Introduction >> Repair Instructions >> Fuel Tank Replacement >> Installation Procedure

Installation Procedure

  1. Install the following components if fuel tank replacement was necessary:
    2. Fig 1: View Of Fuel Tank Straps
    GM785806Courtesy of GENERAL MOTORS CORP.
    NOTE: Ensure the following are properly routed while raising the fuel tank:
    • The fuel tank wiring harness
    • The EVAP wiring harness
    • The EVAP hoses at the EVAP
    • The fuel/EVAP hoses at the chassis pipes
  2. With the aid of an assistant, carefully raise the fuel tank to the vehicle.
  3. Install the fuel tank straps to the vehicle.
    4. CAUTION: Refer to Fastener Caution .
  4. Install the fuel tank strap bolts and tighten to 50 N.m (37 lb ft).
    5. Fig 2: Identifying Fuel Filler Hose & Filler Vent Tube
    GM785808Courtesy of GENERAL MOTORS CORP.
  5. Connect the filler hose (1) to the fuel tank and tighten to 3.5 N.m (31 lb in).
  6. Connect the filler vent tube (2) to the EVAP hose. Refer to Plastic Collar Quick Connect Fitting Service .
    7. Fig 3: Identifying EVAP Hoses At EVAP Canister
    GM785817Courtesy of GENERAL MOTORS CORP.
  7. Connect the EVAP hoses to the EVAP canister.
  8. Connect the EVAP purge valve and fuel tank pressure sensor electrical connectors.
    9. Fig 4: View Of Fuel Tank Electrical Connector
    GM801228Courtesy of GENERAL MOTORS CORP.
  9. Install the fuel tank wire harness and wire harness connector to the retainers on the chassis.
  10. Connect the fuel tank electrical connector, and engage the connector interlock.
    11. Fig 5: Identifying Fuel Feed Pipe & EVAP Hose
    GM1994076Courtesy of GENERAL MOTORS CORP.
  11. Connect the fuel EVAP hose (2) to the chassis bundle. Refer to Plastic Collar Quick Connect Fitting Service .
  12. Connect the fuel feed pipe (1) to the chassis bundle. Refer to Plastic Collar Quick Connect Fitting Service .
    13. Fig 6: Identifying Rear Frame Assembly
    GM708181Courtesy of GENERAL MOTORS CORP.
  13. Install the rear frame assembly (2). Refer to Rear Frame Replacement .
  14. Install the propeller shaft. Refer to Rear Propeller Shaft Replacement (RPO LP1/LY7) or Rear Propeller Shaft Replacement (RPO LSA) .
  15. Install the exhaust system. Refer to Exhaust System Replacement (With LY7 or LLT) or Exhaust System Replacement (LP1) .
  16. Refill the fuel tank.
  17. Inspect for fuel leaks.
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