Oil pressure sending unit sensor
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From: N.J. Shore Area
Year: 1994
Model: Cherokee
Engine: l6 HO
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From: Wy & OK
Year: 83 CJ7 & '96 XJ & '97 XJ
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From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
Small pieces can tear off as you tighten the sending unit and get into the oiling system, it will harden and ruin the bearings. Atleast that what I've heard. Teflon tape is more of a lubricant than a sealer, according to a hydraulic instructor that I had at one time.
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Joined: May 2008
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From: Bristol,Pa
Year: 94
Model: Cherokee
Engine: 4.0L
This is why you dont wrap the teflon beyond the threads, it'll tear a bit off and be pushed ahead of the sender. I also dont use more than a triple wrap and run it on so it threads in the same direction it was wrapped.
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