just double checking….

do no use teflon tape on the threads of a fan coolant sensor because it needs to be grounded on the engine block.

I'm just concerned of leaks but should be ok right?

 

Yes Teflon tape is fine; as long as the thing is screwed in enough to where some of the threads cut through and make contact.

You can measure for continuity between the shell of the sensor and the casting, to verify.

 

For any fan that is being run with the switch in the head there is an alternative to that switch. A thermostat controlled adjustable switch that cost $17.99 and should take less than an hour to install and it uses the stock wiring .You will be able to lower your operating temp. I use one of those switches and have it set at 190* with a 180* thermostat. That's where my car runs most of the time.

That is unless guys are happy about running those high temp.

I have mentioned this switch many times for guys that want to lower their operating temp or fix a fan that is on a manual switch.

Here’s the switch part
# 733653 and link = http://www.autozone.com/autozone/par...67187_69565_0_
Heres the diagram. =