Genuine 1994 Chevrolet Beretta Fuel Pump

1994 Chevrolet Beretta Parts Questions & Experts Answers

• Q: How to remove and install the fuel pump/sending unit assembly on 1994 Chevrolet Beretta?

  A: To remove the fuel pump/sending unit assembly, first, the fuel pressure should be relieved and the cable separated from the negative terminal of the battery, it is also useful to lock out the Delco Loc II audio system of the car if at all engaged. Thirdly, dismantle the fuel tank as the assembly is fitted in the tank and could only be accessed by undoing a cam lock ring mechanism of inner ring with three locking cams and outer ring with three retaining tangs. Loosen the assembly by turning the internal flange anti clockwise until the locking lugs are free: be careful not to damage float mechanism in this process. When it is free, simply pull the assembly out of the tank carefully to not that break the delicate fuel level float and sending unit. Ensure the rubber gasket round the lock ring mechanism is in good condition and if not replace it. Bend down and look at the fuel pump filter, if it is dirty, then clean it with solvent and compressed air or better still replace the filter if it is too dirty. If disconnecting the fuel pump and sending unit: while loosening the pump assembly in the rubber connector be gentle in order not to crack the rubber insulator or damage the fuel strainer. To reinstall the assembly, screw the fuel pump/sending unit back into the fuel tank by turning the inner lock ring counter clockwise; note that if a new O-ring has been installed one may have to push down on the inner lock ring in order to engage it before reinstalling the fuel tank.