Tuesday, October 8, 2013
How to Fix a Windshield Washer Pump on a 1997 Chevy C 1500 Truck
When the windshield washer pumps fail on a 1997 Chevrolet Silverado 1500, the windshield washer system cannot transfer fluid through the system tubing in order to clean the windshield. These pumps, located in the windshield washer tank, are the sole components responsible for moving fluid throughout the entire system. These pumps operate by running off the vehicles 12 volt electrical power supply. When the wash section of the windshield wiper arm is depressed, the wiper motor relay switches to a closed position allowing current to flow to the washer pumps. In the event of a pump failure, current still flows to the pump, but they will not operate.
Instructions
Removal
- 1
Remove the bolts holding the washer tank area cover to the truck with a metric ratchet and socket. Remove the two bolts holding the washer tank to the truck body with a metric socket and ratchet.
2Unplug the upper pump hose from the vehicle. Disconnect the electrical connector from the truck to the pump assembly. Lift the washer tank out of the truck. Pour the washer fluid from the tank into a drain pan.
3Pry the washer pump cover away from the washer tank with a flat-head screwdriver, and then set it aside. Disconnect the electrical connectors from the washer pumps. Disconnect the washer pump hose from the individual washer pumps.
4Twist and pull on each washer pump to remove it from its mounting grommet.
Installation
- 5
Set the new washer pumps into position and press down on them until they are completely seated in the rubber grommet holes. Reconnect their electrical connectors. Reconnect the wash pump hose to each pump.
6Snap the pump cover onto the washer tank. Set the tank back into the truck and reinstall the bolts holding the tank to the truck. Torque the bolts to 53 inch-pounds with a torque wrench. Reconnect the upper pump hose to the hose running to the washer jets.
7Refill the washer tank with new fluid and close the cover. Set the washer tank area cover into place and reinstall the bolts holding it in place with a metric socket and ratchet. Test the washer pumps.
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