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Title: temprature gage going down and no heat in car Post by smiler on Dec 3rd, 2008, 10:27pm I have 2.5tdi and at the moment it temp goes down on motorway and also the heater is not operating at it usual hot self its loop warm I have taken the engine sheald off the bottom would this affect the temp.please help |
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Title: Re: temprature gage going down and no heat in car Post by mijfife on Dec 3rd, 2008, 10:54pm Hi Smiler, it would be worth checking if the electric fans are running all the time. Failing that, it could be a stuck open thermostat. My temp gauge drops too but the heater is working fine (thankfully) so I'm sure it's just a dodgy temp sender switch. I'd change it if I could work out which one it is ::) Cheers Jim |
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Title: Re: temprature gage going down and no heat in car Post by gozz on Dec 3rd, 2008, 11:27pm Smiler. If your heater is OK when the temp gauge is up (if it goes up) the thermostat will be faulty.The under cover missing will not affect the water temp. GOZZ. |
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Title: Re: temprature gage going down and no heat in car Post by python9 on Dec 3rd, 2008, 11:48pm on 12/03/08 at 22:54:25, mijfife wrote:
so does mine jim after i changed the thermostat when i am stop and runing short runs it sits mid way when i move longer distance it moves down to just above the white mark above cold but my heater are hot no problems no matter where the guage sits |
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Title: Re: temprature gage going down and no heat in car Post by python9 on Dec 3rd, 2008, 11:58pm on 12/03/08 at 22:27:48, smiler wrote:
if it does'nt open your heaters will be cold and it will overheat or just opens slightly it will be luke warm best to take out the thermostat test it in some really hot water to see if it opens if it opens only a little change it dont get it from ford £60 get it from vauxhall £40 ask for one for a 1995 on frontera 2.5 tdi they have the same engine as the scorpio i had the same problem as you last week i changed the thermostat and it cured my problem |
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Title: Re: temprature gage going down and no heat in car Post by Jonnycab on Dec 4th, 2008, 2:00am []....classic symptoms of a stuck open T-stat......engine temp fine around town but gauge drops when on a run :) |
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Title: Re: temprature gage going down and no heat in car Post by python9 on Dec 4th, 2008, 12:36pm on 12/04/08 at 02:00:37, Jonnycab wrote:
are you sure i have just put a new thermostat in my tdi and i dont have any heat issues |
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Title: Re: temprature gage going down and no heat in car Post by smiler on Dec 5th, 2008, 10:24am thank you all we have replaced thermostat and all seems well at the moment thermostat 12 pounds factors why don't they supply gaskit with themostat thats what I want to know . thakyou every body |
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Title: Re: temprature gage going down and no heat in car Post by Jonnycab on Dec 5th, 2008, 3:20pm on 12/04/08 at 12:36:57, python9 wrote:
You've probably got a dodgy temp gauge sender then if the heater stays hot :) |
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Title: Re: temprature gage going down and no heat in car Post by python9 on Dec 5th, 2008, 5:04pm on 12/05/08 at 15:20:21, Jonnycab wrote:
and that was new 3 months ago when i did the head gskets as when they blew they melted the temp sensor |
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Title: Re: temprature gage going down and no heat in car Post by Jonnycab on Dec 5th, 2008, 7:24pm I've found temp gauge senders to be pretty unreliable. In the 3 years I've had the Scorp, I've had 4 new temp gauge senders, as they keep failing ??? Another thought....maybe it's the gauge itself. Had a similar problem with the wifes old Mondeo, gauge would suddenly drop down to about quarter, stay there for a bit & then rise back up to the middle. Changed the t-stat & gauge sender & the cooling fans worked as they should.....so I just put it down to a dodgy gauge. As the car was running fine & the heating was still nice & hot, I just couldn't be bothered to worry about it anymore ::)..... :) |
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Title: Re: temprature gage going down and no heat in car Post by python9 on Dec 5th, 2008, 9:04pm on 12/03/08 at 23:48:32, python9 wrote:
there is black one and a green one on heads 3 and 4 at the back head 4 is green thats the temp sender the other one on head 3 i dont know what thats for that is black |
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Title: Re: temprature gage going down and no heat in car Post by python9 on Dec 5th, 2008, 9:06pm on 12/03/08 at 22:54:25, mijfife wrote:
its green and is on head 4 under the edge of the header tank above the desiel filter |
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