Bi-Fuel/Alternative Fuels
TOOLS REQUIREDJ 41416 Ultrasonic Leak Detector
REMOVAL PROCEDURE
CAUTION:
^ Refer to Compressed Natural Gas (CNG) Flammability Caution in Service Precautions.
^ Refer to Compressed Natural Gas (CNG) Fuel Pressure Relief Caution in Service Precautions.
1. Relieve the CNG fuel system pressure. Refer to the Fuel Pressure Relief Procedure.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
2. Disconnect the negative battery cable.
3. Remove the CNG fuel tank shield. Refer to Fuel Tank Shield Replacement.
4. Disconnect the fuel tank pressure (FTP) sensor electrical connector (2).
5. Remove the FTP sensor (1) from the tank valve. Discard the O-ring.
INSTALLATION PROCEDURE
CAUTION: Refer to Compressed Natural Gas (CNG) O-Ring Caution in Service Precautions.
NOTE: Refer to Fastener Notice in Service Precautions.
IMPORTANT: Lubricate the new O-ring trace seal with petroleum jelly or equivalent before installation.
1. Install the FTP sensor (1) in the tank valve using a new O-ring.
Tighten
Tighten the FTP sensor to 37 N.m (27 lb ft).
2. Connect the FTP sensor electrical connector (2).
3. Connect the negative battery cable.
4. Start the vehicle and use the J 41416 in order to inspect for CNG fuel leaks at each serviced fitting.
5. Install the CNG fuel tank shield.