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Home >> Chevrolet >> 2005 >> Chevy Express G3500, Van Passenger Extended >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Control System - 6.0L (CNG) - Introduction) >> Repair Instructions >> Fuel Tank Pressure Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Fuel Tank Pressure Sensor
    GM296489Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Compressed Natural Gas (CNG) O-Ring Caution in Cautions and Notices.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: Lubricate the new O-ring with petroleum jelly or equivalent before installation.
  1. Install the FTP sensor (2) in the tank valve using a new O-ring.

    Tighten:  Tighten the FTP sensor to 15 N.m (133 lb in).

  2. Connect the FTP sensor electrical connector.
  3. Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Engine Electrical.
  4. Start the vehicle and use the J 45878  in order to inspect for CNG fuel leaks at each serviced fitting. See Special Tools .
  5. Install the CNG fuel tank cover. Refer to Fuel Tank Cover Replacement .
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