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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Sep 2004 Posts: 241 'Bolter | | 'Bolter Joined: Sep 2004 Posts: 241 | I'm replacing the temperature gauge sending unit on my truck. I don't want to use teflon plumber's tape. It doesn't hold up to the ethylene glycol in the antifreeze. Or could split off and clog something.
Is there a good sealant to use on the threads?
Thanks.
Mark | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | you must not use anything on the threads of an electrical sender or you will not get a good ground to make the gauge function - the taper of the threads makes the seal
Bill | | | | | Joined: Sep 2004 Posts: 241 'Bolter | | 'Bolter Joined: Sep 2004 Posts: 241 | That makes perfect sense. It probably would read cooler than it really is if there was something impeding the unit. Thanks Bill. | | |
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