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How to Replace the Injection Pump in a Gas Tank

Date:2018-09-30Typename:FAQ
Replace,Injection Pump,Tank

How to Replace the Injection Pump in a Gas Tank

If your gas tank is full but your engine isn't getting any gas, you may need to substitute the injection pump. However, first make sure the problem isn't a broken gas line, clogged filter or an electrical problem.


Warning: Use extreme caution when operating around gasoline. Work in a well-ventilated area, and keep electrical devices and cigarettes far away. Keep a fire extinguisher handy, and use safety goggles, gloves and authorized gasoline containers


Here's how to replace the injection pump in a vehicle's gas tank for cars with a carburetor engine.


1.Disconnect the ground cable (it's usually black) from the battery's harmful (-) terminal.


2.Examine the fuel line from the gas tank and replace it if it's cracked or leaky.


3.Release the vehicle's gas tank pressure according to the instructions in the car's program manual.


4.Loosen the clamp connecting the fuel tank hose and the vapor return hose, if there is one,  disconnect the hose(s) from the pump.


5.Plug up the end of the hose you just disconnected with a dowel or bolt.


6.Disconnect the gas outlet line going to the carburetor by grasping the injection pump fitting firmly with 1 wrench while unscrewing the nut with an additional wrench.


7.Unscrew the two fastening bolts and discard the old injection pump.


8.Remove any leftover sealant from the mounting flange.


9.Coating both sides of the new gasket with a sealer.


10.Place the fastening bolts in the brand new pump and then slide the gasket into place.


11.Mount the new pump. Ensure that either its rocker arm sits against the eccentric gear on the engine, or its actuating pushrod is certainly properly connected to the injection pump and engine.


12.Connect the energy outlet collection to the brand new pump. 1st disconnect the range from the carburetor. Then connect the additional end to the pump, reconnecting the free end to the carburetor. 


13.Tighten the clamp securely on the gasoline container hose (and on the vapor come back hose, when there is one).


14.Attach the bottom cable to the battery's negative terminal.


15.Start the engine and examine the pump for leaks.

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