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Topic: temperature gauge (Read 2007 times) |
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conoflex
Full Member
98 Cosworth Ultima Estate
 
Posts: 103
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temperature gauge
« on: Jan 2nd, 2011, 2:39pm » |
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I started to have a problem my temperature gauge a few weeks ago it stays cold and just rises to the top of the blue bit, but if I leave it idle for around 15-20 minutes it goes to normal temp(half way) then drive somewhaere it stays there tiil I stop.
Then when it's cooled down does same thing stays in cold range, doesn't seem to be causing any problems as heater is working ok.
Just wondering why it would do this.
Andy
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Simmo
Administrator
I'm an OAP !
Posts: 5508
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Re: temperature gauge
« Reply #1 on: Jan 2nd, 2011, 6:34pm » |
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Have a look at This page and see if that helps. If not how about the thermostat or the actual sender unit?.What model/engine do you have?.
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Now I'm an OAP
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conoflex
Full Member
98 Cosworth Ultima Estate
Posts: 103
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Re: temperature gauge
« Reply #2 on: Jan 7th, 2011, 6:13pm » |
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on Jan 2nd, 2011, 6:34pm, Simmo wrote:| Have a look at This page and see if that helps. If not how about the thermostat or the actual sender unit?.What model/engine do you have?. |
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Thanks, I think it's the sender unit.
Errr 98 cossy estate, does say in my avatar 
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conoflex
Full Member
98 Cosworth Ultima Estate
Posts: 103
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Re: temperature gauge
« Reply #3 on: Jan 8th, 2011, 2:39pm » |
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This starting to annoy me now,
Sorted gauge out BUT heater is not blowing hot at all but temp gauge is in "normal" zone, anyone had any like this happen ?
ifd so how did you cure it.
thanks, Andy
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: temperature gauge
« Reply #4 on: Jan 8th, 2011, 4:30pm » |
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If the heater was working fine before, then it sounds like you may have an airlock in the heater matrix.
THIS page might help 
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conoflex
Full Member
98 Cosworth Ultima Estate
Posts: 103
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Re: temperature gauge
« Reply #5 on: Jan 10th, 2011, 10:23am » |
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Thanks, but would that just happen overnight  and if so why
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: temperature gauge
« Reply #6 on: Jan 10th, 2011, 10:37am » |
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on Jan 8th, 2011, 2:39pm, conoflex wrote:This starting to annoy me now,
Sorted gauge out BUT heater is not blowing hot at all but temp gauge is in "normal" zone, anyone had any like this happen ?
ifd so how did you cure it.
thanks, Andy |
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How did you sort the gauge?
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy! |
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: temperature gauge
« Reply #7 on: Jan 10th, 2011, 11:17am » |
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on Jan 10th, 2011, 10:23am, conoflex wrote:| Thanks, but would that just happen overnight and if so why |
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If you replaced the gauge sender, then you had to drain the system (partially). When re-filling, it's sometimes possible for an air pocket to remain in the system
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conoflex
Full Member
98 Cosworth Ultima Estate
Posts: 103
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Re: temperature gauge
« Reply #8 on: Jan 12th, 2011, 3:32pm » |
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It was a wire connector that wasn't connecting 
I didn't do it myself owing to now being disabled, so that was what I was told then when I used it no hot air.
Just come back from hospital 12 mile or so round trip no heat gauge reading normal temp (should have left it alone least I was warm).
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conoflex
Full Member
98 Cosworth Ultima Estate
Posts: 103
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Re: temperature gauge
« Reply #10 on: Jan 13th, 2011, 11:20am » |
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on Jan 12th, 2011, 11:21pm, Jonnycab wrote:
Thanks, just done that myself. will take it for a run later and see how it is then.
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conoflex
Full Member
98 Cosworth Ultima Estate
Posts: 103
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Re: temperature gauge
« Reply #11 on: Jan 14th, 2011, 4:27pm » |
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Still the same, colder inside the car than outside 
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: temperature gauge
« Reply #12 on: Jan 14th, 2011, 4:29pm » |
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are the heater pipes going into the bulkhead hot?
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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conoflex
Full Member
98 Cosworth Ultima Estate
Posts: 103
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Re: temperature gauge
« Reply #13 on: Jan 21st, 2011, 12:00pm » |
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ARGHHH! Spot the idiot time ME! 
When I checked the expansion tank water level I just looked at the max\min marks saw what I thought was water level, Turned out to be a dark mark in between where min\max marks are.
SO when I took the cap off the water level was just showing at the bottom topped it up let it run for a few minutes topped up to just a bit over max line put cap on and fanny's yer aunt hot heater again.
Typical my tells me later the same day that it happened in his scorpio too!! water dropped abit below mininum and he had no heat either. 
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: temperature gauge
« Reply #14 on: Jan 22nd, 2011, 2:30am » |
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....I suppose at some point, we've all been guilty of overlooking the obvious
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: temperature gauge
« Reply #15 on: Jan 27th, 2011, 4:55pm » |
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on Jan 21st, 2011, 12:00pm, conoflex wrote:Turned out to be a dark mark in between where min\max marks are.
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Yep they do that! Always have to take my filler cap off to be sure as well
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Mike H
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