GM 19180451 Fuel Sender Assembly

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Using two wrenches, one can remove the fuel inlet and outlet pipes without damaging the pump or connections. Finally, get rid of the fuel pump mounting bolts, the pump and gasket itself. First of all, if you are taking off that pushrod, ensure that either pump adapter and gasket or pipe plug is removed as needed. Begin with installing the pushrod using the gasket sealant on the pipe plug or gasket where appropriate. This is not necessary for V6 engine since you can use heavy grease to hold it in place. A new gasket has to be used while fixing a pump. As concerns 231 V6 engine, put a fuel pump into position so that its rocker arm contacts the camshaft accordingly. Apply gasket sealant on screw threads. Finally, you should connect fuel pipes to start your engine and check if there are any leaks after starting it.

If the pump is not operating correctly, it should be replaced as described in the following.