![]() ![]() Removing all contaminants from the tank is critical before replacing a fuel pump. Most in-tank filters and socks will catch large pieces, but even small pieces of grit can damage the pump. Clean The TankĮven the smallest piece of debris can damage the pumping elements inside the fuel pump. The key to making sure the new pump will not suffer the same fate, is to reset the environment to a like-new condition in the fuel tanks, lines and related electrical systems. In some cases, the endplay in the motor can cause the turbine, rotors or vanes to come in contact with the housing and be damaged.īut, wear and damage to the pumping elements and electric motor are often faults of the environment inside the tanks and at the fuel rail. When this happens, the pump stops turning. ![]() When a fuel pump does truly fail, it is typically a case where the brushes on the motor and the bearings that hold the armature in place wear out. ![]()
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