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Author Topic: Temp gauge being iffy  (Read 1201 times)

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relluf

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Temp gauge being iffy
« on: 13 March 2014, 19:47:36 »
The temp gauge in my TD has usually sat in the middle of the range and gets hotter going up long hills etc , fans cut in temp comes down again generally well behaved .
So while servicing at Christmas oil fuel filters etc ,took the opportunity to flush out rad and cooling system as per guide on here,
All ok some crud came out  no leaks all tickety boo....except now gauge barely moves,it does move but only a bit,never gets up to middle of gauge and more often than not sits at bottom.
Been doing a few miles recently today 200mile round trip to Andy B country and was watching it most of the way,it didn't go past a quarter of the way up all the trip.
Should I be worried or look at changing stat or something?
Engine is running fine ,in fact really well :)
Should mention viscous is off!
Any thoughts anyone??
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Andy B

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Re: Temp gauge being iffy
« Reply #1 on: 13 March 2014, 19:51:17 »
Quote from: Franks Dad on 13 March 2014, 19:47:36
....
Any thoughts anyone??

Air lock? Though I'd have thought any trapped air would've moved by now. Gunged up/failed temp sensor?  :-\


I didn't see you ...........  ;)
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relluf

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Re: Temp gauge being iffy
« Reply #2 on: 13 March 2014, 20:07:29 »
Quote from: Andy B on 13 March 2014, 19:51:17
Quote from: Franks Dad on 13 March 2014, 19:47:36
....
Any thoughts anyone??

Air lock? Though I'd have thought any trapped air would've moved by now. Gunged up/failed temp sensor?  :-\

I thought maybe that Andy ,so I Have taken cap off and squeezed and so on but didn't seem to make any difference level has stayed the same too :-\
Any idea where sensor is ?(must still be working a bit tho)


I didn't see you ...........  ;)
cos it was way to foggy up there!!! :o
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05omegav6

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Re: Temp gauge being iffy
« Reply #3 on: 13 March 2014, 21:05:26 »
Start the car from cold, and hold onto the radiator top hose. If it gradually warms up stat is toast, if you get a sudden rush of hot water after a few mins the stat is ok and problem is elsewhere :y
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relluf

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Re: Temp gauge being iffy
« Reply #4 on: 13 March 2014, 21:09:18 »
Quote from: Taxi Al on 13 March 2014, 21:05:26
Start the car from cold, and hold onto the radiator top hose. If it gradually warms up stat is toast, if you get a sudden rush of hot water after a few mins the stat is ok and problem is elsewhere :y

 :y will give that a go and see!
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Andy B

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Re: Temp gauge being iffy
« Reply #5 on: 13 March 2014, 21:16:55 »
Quote from: Franks Dad on 13 March 2014, 20:07:29
....
Any idea where sensor is ?(must still be working a bit tho) .....

Sorry .... no idea on the TD diseasal  :-\
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