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Home >> Cadillac >> 2019 >> CTS Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.2L (LT4) - 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:
    1. Fuel tank fuel pump module. Fuel Tank Fuel Pump Module Replacement 
  2. Use a suitable jack and install the fuel tank (1).
    GM2815733Courtesy of GENERAL MOTORS COMPANY
  3. Install the fuel tank straps (2).
    GM2815736Courtesy of GENERAL MOTORS COMPANY
  4. CAUTION:

    Refer to Fastener Caution .

  5. Install the fuel tank strap bolts (1) and tighten to 20 N.m (15 lb ft).
  6. Connect the fuel tank electrical connector.
  7. Install the filler pipe and tighten the hose clamps (1).
    GM2815749Courtesy of GENERAL MOTORS COMPANY
  8. Connect the evaporative emission and fuel pipes (2). Plastic Collar Quick Connect Fitting Service 
  9. Install the two piece propeller shaft. Two-Piece Propeller Shaft Replacement (LT4, LTG)
  10. Install the transmission fluid cooler pipe mid line right and mid line left. Transmission Fluid Cooler Pipe Replacement (LT4 With M5U, ATOC Jumper) , or Transmission Fluid Cooler Pipe Replacement (LT4 With M5U, Rear Differential Inlet Hose) , or Transmission Fluid Cooler Pipe Replacement (LT4 With M5U, Rear Differential Outlet Hose) , or Transmission Fluid Cooler Pipe Replacement (LT4 With M5U, Mid Line Left) , or Transmission Fluid Cooler Pipe Replacement (LT4 With M5U, Mid Line Right)
  11. Install the left rear suspension bracket. Rear Suspension Bracket Replacement (Rear)
  12. Install the left and right side rear air deflectors. Underbody Rear Air Deflector Replacement - Left Side (CTS-V) , and Underbody Rear Air Deflector Replacement - Right Side (CTS-V)
  13. Refill the fuel tank.
  14. Inspect for fuel leaks.