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Message
Should I use sealant or Teflon tape on the threads of my
sender? Do not use sealant
(including Teflon tape or plumbers pipe dope) on the threads of temperature or
pressure senders. This will not allow the sender to properly ground itself to
the engine and will cause the temperature to
register high and the pressure to register low. This does
not include floating ground senders which include a second terminal specifically
for grounding.
I just don't
buy this. Most sensors are pipe thread, which are made to get tighter
as you screw them in. No Teflon tape, or sealer in the world is going
to keep that sensor from making metal to metal contact. "Maybe"
it could be a problem with a straight thread sensor, using an O-ring
seal. I still doubt it though. If in doubt, put an ohmmeter between the
sensor body and the housing that it's screwed into.
Cheers,
Rusty (sealer
on everything)
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