Auto Repair Manual Free Download and ReviewsFree download ebook pdf files automotive manual

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1. Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement. 2. 3. 4. 5. 6. Disconnect the fuel pump electrical connector. Remove the retaining clip from the fuel level sensor connector. Disconnect the electrical connector from under the fuel sender cover. Remove the sensor retaining clip. Squeeze the locking tangs and remove the fuel level sensor (3). Installation Procedure 1. 2. 3. 4. Install the fuel level sensor (3). Install the sensor retaining clip. Connect the electrical connector to the fuel level sensor. Install the retaining clip to the fuel level sensor electrical connector. 5. Connect the fuel pump electrical connector. 6. Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement. FUEL SENDER ASSEMBLY REPLACEMENT Tools Required J 45722 Fuel Tank Sending Unit Wrench. See Special Tools. Removal Procedure 1. Remove the fuel tank. Refer to Fuel Tank Replacement (TrailBlazer EXT, Envoy XL, Envoy XUV) or Fuel Tank Replacement (TrailBlazer, Envoy, Rainier).

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TESTING FUEL GAUGE Disconnect Yellow/Red wire connector at fuel tank sending unit. Connect a 12-volt, 3.4-watt bulb (light) to harness side of connector and ground. Turn ignition on. Ensure bulb lights and fuel gauge needle fluctuates several seconds later. If not as specified, replace fuel gauge. FUEL GAUGE SENDING UNIT Remove fuel gauge sending unit from vehicle. Connect an ohmmeter between sending unit connector terminals. See FUEL GAUGE SENDING UNIT RESISTANCE table. If resistance is not as specified, replace sending unit. See Fig. 1. FUEL GAUGE SENDING UNIT RESISTANCE TABLE