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Home >> Cadillac >> 2012 >> CTS V, 4D Wagon, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 6.2L - Repair Instructions >> Repair Instructions >> Fuel Tank Replacement >> Installation Procedure
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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 COMPANY
    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 COMPANY
  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 Fuel Line Replacement - Chassis .
    7. Fig 3: Identifying EVAP Hoses At EVAP Canister
    GM785817Courtesy of GENERAL MOTORS COMPANY
  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 COMPANY
  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 And EVAP Hose
    GM1994076Courtesy of GENERAL MOTORS COMPANY
  11. Connect the fuel EVAP hose (2) and the fuel feed pipe (1) to the chassis bundle. Refer to Fuel Line Replacement - Chassis .
    12. Fig 6: Frame-To-Body Mounting Bolts & Washers
    GM708181Courtesy of GENERAL MOTORS COMPANY
  12. Install the rear frame assembly (2). Refer to Rear Frame Replacement .
  13. Install the propeller shaft. Refer to Rear Propeller Shaft Replacement (RPO LSA) , Rear Propeller Shaft Replacement (RPO LLT or LF1 with MX7 or MN6) , Rear Propeller Shaft Replacement (RPO LLT or LF1 with MXO) .
  14. Install muffler assembly. Refer to Exhaust System Replacement (LSA-Coupe) , Exhaust System Replacement (LSA-Sedan/Wagon) , Exhaust System Replacement (LFX/LFW-Sedan/Wagon) , Exhaust System Replacement (Single Exhaust) , Exhaust System Replacement (LFX/LFW-Coupe) .
  15. Refill the fuel tank.
  16. Install the fuel fill cap.
  17. Inspect for fuel leaks.
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