gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fuel Level Sending Unit <--> [Fuel Tank Unit] > < Fuel Gauge Sender|Locations
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Fuel Gauge Sender: Service and Repair

Fuel Pump And Sender Assembly (Typical)

REMOVE/DISCONNECT

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Negative battery cable.

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Raise vehicle.

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Fuel tank.

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Pump and sending unit assembly by turning cam lock counterclockwise using tool J-36608 or J-24187 or equivalent.

Pull fuel pump up into attaching hose while pulling outward from the bottom support.
Do not damage rubber insulator or strainer.

INSPECT

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Inspect fuel pump attaching hose for signs of deterioration.

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Inspect rubber sound insulation at bottom of pump for deterioration. 

INSTALL/CONNECT

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Pump assembly into attaching hose.

NOTE:  Care should be taken not to fold over or twist strainer when installing sending unit as this will restrict fuel flow.
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Sending unit and fuel pump assembly into fuel tank. (Always use a new O-ring seal).

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Cam lock assembly. Turn cam lock clockwise to lock it.

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Fuel tank assembly.

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Negative battery cable.

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START vehicle and check for fuel leaks.

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Lower vehicle.

Fuel Level Sending Unit <--> [Fuel Tank Unit] > < Fuel Gauge Sender|Locations