gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Auxiliary Cabin Heater Fuel Pump|Diagrams|Page 13451 > < Auxiliary Cabin Heater Fuel Pump|Diagrams
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Auxiliary Cabin Heater Fuel Pump: Service and Repair

HEATER COOLANT HEATER FUEL PUMP REPLACEMENT

REMOVAL PROCEDURE

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Disconnect the fuel lines to the fuel operated heater (FOH) fuel pump. 
3. Disconnect the fuel pump electrical connector.

4. Remove the FOH fuel pump retaining bolt.
5. Remove the fuel pump from the vehicle.

INSTALLATION PROCEDURE

1. Install the fuel pump to the vehicle.
2. Install the fuel pump retaining bolt.

Auxiliary Cabin Heater Fuel Pump|Diagrams|Page 13451 > < Auxiliary Cabin Heater Fuel Pump|Diagrams