Question about 2002 Volvo S80

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How to replace electric fuel pump on Volvo S80

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It helps to pump out the fuel in the tank if possible, to lighten the load. You'll need to remove the fuel tank from under the car & lower it to the ground and get it into position to work on. Care must be exercised so as not to crimp any lines & to keep any sparks/flames away. An empty tank will explode more easily than a full tank will. The Fuel Pump with the float & any sensors & a fuel sock/filter is the assembly & all are removed in one unit, from the top of the tank by loosening the assembly, the hoses, and disconnecting the plug in.

Once removed, if you are replacing the entire assembly, you may want to check the inside of the tank for debris that you can remove at this point, then reinsert the new assembly as a unit into the exact position it was mounted before. Note the float position as it can't be crimped/jammed or you will have no fuel gauge. (digital camera option-take pictures to review later before & during removal) Once you've got it back into the car & added the fuel back in, or if it has enough still in it, you'll need to prime the fuel system by turning your ignition off & on for a few seconds at a time. You'll hear the fuel pump run when you turn the key to on, leave the key there until you hear the pump stop & wait a few seconds, repeat. This will fill up the fuel system. You may want to take the time to get you a new fuel filter, if you do & replace it, fill it 1/3 full before installing with fuel injector cleaner and you'll give your injectors a good cleaning. Might sputter just a few seconds-no more. good luck.

Posted on Feb 02, 2010


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