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Heartworm · 10-26-05, 08:25 AM

I had a mechanic use teflon plumber's tape on the threads when he put the gauge into the block. He said it was leaking before. The oil pressure reading would drop from 2/3 to about 1/3 after some highway driving. I finally figured out that the plumber's tape was changing the grounding of the unit. Getting rid of the plumber's tape solved it. Just a thought for others.

10-26-05, 08:25 AM	#24
Heartworm IH8MUD Addict Join Date: Dec 2002 Posts: 903	plumber's tape I had a mechanic use teflon plumber's tape on the threads when he put the gauge into the block. He said it was leaking before. The oil pressure reading would drop from 2/3 to about 1/3 after some highway driving. I finally figured out that the plumber's tape was changing the grounding of the unit. Getting rid of the plumber's tape solved it. Just a thought for others.