[Public-list] Removal of brass temperature sensor

[Gordon Laco]

The bayonet connector on the heat sensor in my MG's engine was always
falling off...so one day I decided to solder it on...then I wondered why the
temp gauge seemed to no longer work.  That night while going to sleep I
realized that applying a lot of heat to a heat sensor might not have been a
good idea...

;) 





> On most mechanical parts ...
> 
> Heat will help but the one that said heat the brass fitting directly is
> WRONG!
> TO free a stuck bolt,threaded fitting ALWAYS heat the metal of the
> surrounding area being sure not to heat the the actual threaded fitting
> you are removing.
> 
> You might - since you motor is running fine, run the motor for a time to
> get the entire block warmed up. Soak the area at the threads with WD-40 or
> my favorite DeepCreep(Seafoam). Then add a little extra heat around the
> area of the temp sensor on the Head. then try turning off with a VERY
> LARGE Crescent Wrench. These work best as you will NOT slip. A grip wrench
> will destroy the surface area. Though that may not be an issue ... it may
> be in the long run.
> 
> That shuold do it.
> 
> Also on putting the new sensor in - Use teflon tape around the threads
> just like plumbing.


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