4.0L Oil Pressure Sender

09-13-2008, 07:05 PM
How complicated is replacing the oil pressure sender on a 4.0L? Do I need to drain the oil to do it?

97 Sahara

09-23-2008, 11:08 PM
i think the oil pressure sensor is located around the general area of the ..... the ..... the rotating thing that sends a high tension current to the plugs via a think wire (can't think of the word for it) its not hard of a replacement but you will want to change you oil after wards just to be safe

09-23-2008, 11:17 PM
DRISTIBUTOR!!!!!!!!!!!!!!!!!1 thats the word i was looking for

Ray H
09-24-2008, 11:23 PM
He's right, it is indeed located just under that round doohicky with the long thin thingies coming out of it.
No need to drain the oil to replace the sender. You may lose a drop or two but thats about it. The oil sending unit looks sorta like a sparkplug. Just unplug it at the connector and find a deep well socket that fits it and unscrew it from the side of the block.

Why are you replacing it? A sure sign that its bad is if your oil pressure pegs on the max side of the guage.

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