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Home >> Pontiac >> 2003 >> Sunfire Standard >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal & Installation >> Fuel Systems (CNG) >> Fuel Tank >> Assembly Procedure

Assembly Procedure

If replacing the tank, install the following components:

  1. Install the vent boot. Tighten the vent boot clamp to specification. See TORQUE SPECIFICATIONS .
  2. Install the fuel outlet fitting (1) to the tank valve using a new "O" ring. Lubricate the new "O" ring face seal with petroleum jelly or the equivalent. Tighten the fitting to specification. See TORQUE SPECIFICATIONS .
  3. Install the fuel inlet fitting (3) to the tank valve using a new "O" ring. Lubricate the new "O" ring face seal with petroleum jelly or the equivalent. Tighten the fitting to specification. See TORQUE SPECIFICATIONS .
  4. Install the FTP sensor (2) using a new "O" ring face seal. Lubricate the new "O" ring with petroleum jelly or the equivalent. Tighten the FTP sensor to specification. See TORQUE SPECIFICATIONS .
  5. Install the HPL Pressure Relief Device line fitting (4) in the tank valve. Tighten the fitting to specification. See TORQUE SPECIFICATIONS .
  6. Install the new rubber isolators.
  7. Obtain a new CNG Fuel Only label and a new Bi-fuel Information label.
  8. Record the new tank service expiration date on each label.
  9. Install the new labels.

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