Classic Audi Technical Mech/Tech Electrical problems » Temperature gauge!!!!!!

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Old 18-05-10, 01:44 PM   #1
stephen2320
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Exclamation Temperature gauge!!!!!!

Hi all i have just bought another 2.3 coupe with the lovely 5 cylinder engine, absolutely mint except the engine temperature gauge isn't working... what shall i do with it???
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Old 18-05-10, 11:16 PM   #2
missfire
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smash it with a hammer....!

or loads of stuff half way down this page which should be sort of similar

http://www.sjmautotechnik.com/troubl...ing.html#gauge
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Old 18-05-10, 11:28 PM   #3
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Quote:
Originally Posted by stephen2320 View Post
Hi all i have just bought another 2.3 coupe with the lovely 5 cylinder engine, absolutely mint except the engine temperature gauge isn't working... what shall i do with it???
Oil temperature or water temperature? On my cars, the water temperature is a pretty solid 87 C. The oil temperature rarely moves off the end stop unless you really thrash the car.

I'd guess you're looking at a wiring problem in the engine bay.

Bentley will certainly have procedures for fault finding -Haynes probably does as well.

Paul
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Old 18-05-10, 11:35 PM   #4
stephen2320
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Cheers its the water temp I have managed to pinpoint it to the actual temp sender unit which has the radiator top hose attached too, luckily enough I have my other audi in bits so it came off that, now when removing the faulty one I snapped a bolt so any ideas on that! As its the engine block I can't weld as alloy will melt before steel bolt, struggling to drill due to lack of space but a dremel flexi seems to get in so a trip to get some easy outs tomoz is on the cards unless someone else has a better idea?
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Old 19-05-10, 12:02 AM   #5
urS6
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... I snapped a bolt so any ideas on that! As its the engine block I can't weld as alloy will melt before steel bolt, struggling to drill due to lack of space but a dremel flexi seems to get in so a trip to get some easy outs tomoz is on the cards unless someone else has a better idea?
I HATE when that happens - ruins your whole day!

Any chance of getting better access by removing a few other bits and pieces? I presume it's one of the bolts that mounts the flange to the block. You could try using your welder just for a second - I've heard that that often breaks the bond between two dissimilar metals.
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Old 19-05-10, 12:04 AM   #6
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its always the little things...

if it was steel in steel i usually place a steel nut over the snapped bolt/stud and fill the nut up with the welder ..then unscrew it if the weld is good and the heat has done its thing.. but steel in alloy..! could be tighter than a nuns......shoe laces...
good luck dude
but remember...easy outs snap to!! use a bigger one before you force it too much
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