Replace a Spare part Windscreen washer pump – a defective one or if the limit of use has been already reached. Find out useful information about Windscreen washer pump
Faults of windshield washer pump
mechanical damage to the pump housing;
worn or damaged impeller;
failure of the switch;
clogging of the pump;
destruction or damage to the pump bearings;
wear of the drive pulley.
Symptoms of windshield washer pump failure
insufficient or no pressure of washer fluid spray;
washer fluid leakage.
Causes of windshield washer pump faults
damage to the washer gasket;
blown fuse of washer pump relay;
use of low-quality liquid for windshield washing;
use of water as a washer fluid in winter conditions;
oxidation of the pump electrical contacts;
failure of the pump seal;
improper connection of the pump;
faulty pump switch;
use of substandard parts and consumables;
clogging of the filter and spraying nozzles;
system hoses leakage.
Diagnostics
A diagnosis of this part operating status is quite difficult to carry out independently. This is due to its location. The washer pump is located above the left fender liner. To get to it, you must completely remove the wheel and the arch liner. When removing the pump, mark the location of the adapters and the electrical contacts.
The service life of a washer pump is totally dependent on the washer fluid quality. It may be from 2 to 5 years. Diagnostics of washer pump is often neglected because it has a very inconvenient location. Nevertheless, it is necessary to clean the pump itself and the electrical contacts once a year.
Repair and replacement of washer pump
Repair of the washer pump is quite possible, but it is often not carried out due to the low cost of a new part. When buying a new pump it is necessary to take account of its size and power. It is best to install the original item rather than analogues.
After installation you need to fill the washer tank and be sure to remove excess air from the system. If you do not, the pump can be damaged in the first seconds of work.
MITSUBISHI