1 Answer

Instructions
1
Raise the hood of the vehicle. Raise and support the vehicle on jack stands.

2
Remove the electrical connector from the oil pressure sending unit. The unit will be found very close to the oil filter. On older cars, the sender will be a small, round unit about 1½ inches in width. On later models, it will still be round but will have a black 1 ½-inch-long cylinder extending out with a two-wire connector. Just squeeze the connector and pull it straight out.

3
Unscrew the sending unit with a deep-well socket or a wrench, whichever fits in the location on the vehicle being worked on. Once loose, unscrew the sending unit the rest of the way by hand.

4
Wrap some Teflon tape around the threads of the new sending unit to prevent any possibility of leaks. Screw the sending unit in as far as possible by hand, followed by tightening with the same tool used in its removal. The important thing here is to tighten this sending unit until it is good and snug. It should never be overtightened because it will break at the threads very easily. This is one of the reasons for the Teflon tape--if the threads break off, it is very difficult to get them out of the block.

5
Install the electrical connector by matching up the connector with the sending unit and pushing it on until it clicks into place.

Read more: How to Change an Oil Pressure Sending Unit | eHow.com http://www.ehow.com/how_5137018_change-oil-pressure-sending-unit.html#ixzz1zi58ezF4