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  Soarer Central * Mechanical - Common * Temp gauge position (it's not what you think...) Previous Previous    Next Next  

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Ben Socratous
TryHard
SA
Iv'e got less interior that all of you!!!

Posts: 410
Reg: 07-2005

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Friday, June 09, 2006 - 06:21 pm, by:  Ben Socratous (Socrates) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I've always heard people (including me at one stage) that they have seen their temp gauge go one or two clicks over the halfway point for whatever reason. I was just wondering why mine would have dipped DOWN a notch the other night. Sure it was only 3 degrees outside where I was, but I was HAMMERING it through the hills. I thought that the heat that the engine was generating would have been enough to counteract the coldness.

Any thoughts?
Freeman Tang
TryHard
Vic
JZZ30 GT-TL

Posts: 204
Reg: 07-2005

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Friday, June 09, 2006 - 07:40 pm, by:  Freeman Tang (Cobra_man) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thermostat start to get stuck open. Time to consider changing it. Otherwise it will richen your mixture even when the engine is fully warmed up, and that will distroy you plugs, bad fuel economy and you car will not run right, and less power.
Steve Millward
Tinkerer
NSW
V8 Limited

Posts: 23
Reg: 07-2005

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Tuesday, June 13, 2006 - 09:40 pm, by:  Steve Millward (Mallard) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I had this problem for a while. The gauge would head towards cold when driving to the mountains at a reasonable speed. Eventually it started to take ages to warm up, and wouldn't get right to the middle for 20 minutes.

It was the thermostat and was quite cheap to replace when I had it done a fortnight ago. Now it gets to the middle in four minutes and doesn't budge again. Apparently the radiators are very efficient on the Soarer, despite there being no grill, so a dodgy thermostat will allow it to cool too much.
Peter Nitschke
JunkFilterer
South Australia
GT4.0 V8

Posts: 4926
Reg: 11-2004

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Wednesday, June 14, 2006 - 12:39 am, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I would have thought that while you were hammering it as you say, that the thermostat not closing properly wouldn't be an issue.

The temperature would be up, and the thermostat would be open past the point of caring if it was shut properly or not.

Or you might have been backing off for corners allowing it to cool down :-)
Tim Appleton
TryHard
QLD
Soarer UZZ31 V8 GT-L

Posts: 165
Reg: 07-2005

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Wednesday, June 14, 2006 - 08:02 am, by:  Tim Appleton (Timbo) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I had an issue down at the Canberra meet where my car was sitting at the lights almost at operating temperature, then when I took off the temp gauge headed back to almost stone cold. It scared the crap out of me. I thought I'd lost all radiator fluid.

I changed the thermostat a couple of weeks ago. It wasn't sealing properly and was stuck open only about a millimetre but even that was enough to make it lose temperature on a cold night (I'm talking Brisbane cold, not Melbourne or Canberra cold). Now it warms up in less than five minutes, and the temp gauge stays in the centre, no matter what the temperature is outside.
Ben Socratous
TryHard
SA
Iv'e started to put my interior back together!!!

Posts: 439
Reg: 07-2005

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Saturday, June 17, 2006 - 07:46 pm, by:  Ben Socratous (Socrates) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Tim Appleton wrote on Wednesday, June 14, 2006 - 08:02 am:

make it lose temperature on a cold night (I'm talking Brisbane cold, not Melbourne or Canberra cold).




So what's that mean then, 30 degrees? Hahahaha, cheers for the input guys. Thinking of doing the thermostat next time I have the car over my mates pit. Next service due in about 1900km. Anyone know where the tt thermostat lives, or got a link on how to change it?
Mark Paddick
Goo Roo
ACT
UZZ31 V8 Soarer , JZZ30 TT Soarer

Posts: 2488
Reg: 07-2005

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Saturday, June 17, 2006 - 08:25 pm, by:  Mark Paddick (Sparks) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Definitely a thermostat problem. It doesn't take much sticking to cause problems. it does mean that the rest of the cooling system is good though.

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