Fuel and exhaust systems - carburettor models

Fuel tank sender unit - removal and refitting

~1min read

Note: Refer to the warning note in Section 1 before proceeding.

Removal

1. Disconnect the electrical leads from the sender unit (see illustration).

Fuel and exhaust systems - carburettor models
Fuel gauge sender unit (screw-fit sender unit)

2. To remove the sender unit, either engage a flat piece of steel as a lever between two of the raised tabs on the sender unit and turn it anti-clockwise to release it, or undo the retaining bolts (as applicable) (see illustration).

Fuel and exhaust systems - carburettor models
Fuel gauge sender unit secured by bolts

3. Withdraw the sender unit carefully to avoid bending the float arm. Recover the sealing ring.

Refitting

4. Refit in the reverse order to removal, using a new sealing ring if necessary.

Test yourself

A quick Opel Corsa quiz: every answer comes with an explanation and a link to the manual page.