How To Check A Gas Pump

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How To Check A Gas Pump
How To Check A Gas Pump

Video: How To Check A Gas Pump

Video: How To Check A Gas Pump
Video: How to Diagnose and Replace a Fuel Pump 2024, September
Anonim

The car moves by supplying fuel to the engine cylinders. Otherwise, it is impossible. For this, a gasoline pump is used, which sucks fuel from the gas tank and directs it to the carburetor. But, is it possible to move without it? Experienced motorists will answer - you can, of course, this will create some difficulties. However, this is a temporary measure, it is best to try to find the malfunction in the gas pump, repair it or replace it.

How to check a gas pump
How to check a gas pump

Necessary

  • - key "13";
  • - key "8";
  • - screwdriver

Instructions

Step 1

Open the hood of your car and sniff. If you smell a persistent smell of gasoline, then inspect the fuel pump without removing it from the car. Usually, due to the actuation of the thread of the bolt that holds its top cover, there is a gap between it and the body. In addition, gasoline drips will be clearly visible on the fuel pump. In this case, remove it from the engine and carefully inspect it.

Step 2

Disconnect the supply and outgoing hoses by loosening the clamps with a 6 key or a screwdriver. Remove the fuel pump from the car by unscrewing two nuts from the cylinder block studs with a 13 key. If it is not possible to press the upper cover tightly against its body, then the upper part of the pump must be replaced.

Step 3

Unscrew the center bolt. Remove the nylon mesh filter. Inspect it, it should not be damaged. If so, replace the filter. Unscrew the six screws in a circle and remove the top of the fuel pump. There are suction and delivery valves on it. To check the latter, supply air to the pump discharge connection (with a hand or foot pump), the valve must sit tightly in its place and not let air pass through. If this does not happen, then replace it or replace the upper part.

Step 4

Examine the diaphragm assembly. Take it apart. To do this, unscrew the central nut with a key "8". The assembly is spring-compressed, so be careful. After disassembling, inspect the diaphragms carefully. They must be flexible and free from damage. If any defects are visible, replace. Examine the spring. It should be intact and firm enough. If not, then replace, but on the road, just stretch and put temporarily.

Step 5

Take the pusher. Examine it. It should be free of visible damage, namely: there should be no work hardening on the end. If there is, then replace it, if you are on the road, then adjust the length of the shims between the pump and the cylinder block.

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