1989, Where is oil sending unit?

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I can not find the bugger! It has to be changed, someone , please help us!

Gene

 

[Archive]

Gene,
Service manual for my '93 says its on the "left side of block center" it shows a grey w/yellow stripe and a grey wire leading to it, they go to a black connector "rear of engine left side" it also shows a violet w/yellow stripe wire that goes to the temp sending unit "left rear of cylinder head" coming from that same connector. It says that it is an "Engine oil pressure sending unit and switch"
I hope this helps, I know it's not the correct year but hope it helps.
Good Luck.
Caleb

 

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Gene,
It is near the fuel filter (more toward the radiator on the drivers side). It is not bad to change. I used a deep impact socket that fit perfectly to change mine out.

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90 W250, 5-speed, isspro gauges, 16 cm2, K&N, Borgeson shaft