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 Posted: Sun Dec 18, 2011 11:45 am |
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Joined: Oct 18, 2010
Posts: 139
Trade Rating: 0
Location: west mids
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hi guys
ever since i have had my gti the coolant temp gauge has always sat dead on 90*c but I've noticed recently its been sitting at 80*c
i was just wondering if anybody else has had this and how they cured it? i going to try cleaning the temp sensor tomorrow see if that cures it otherwise I'm guessing it will need replacing?
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Posted: Sun Dec 18, 2011 11:53 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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Last time I checked it was freezing outside.
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Posted: Sun Dec 18, 2011 12:07 pm |
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Joined: Oct 18, 2010
Posts: 139
Trade Rating: 0
Location: west mids
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| Lee wrote: |
| Last time I checked it was freezing outside. |
no sh*t sherlock lol I'm on about when its up to temp the oil reads correct just the coolant reads lower than it should
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Posted: Sun Dec 18, 2011 12:47 pm |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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Lees point is quite valid.
Your engine temp will be lower in freezing conditions due to the ambient air temperature cooling the radiator more. You'll probably find that even sat in a traffic jam the cooling fan kicks in less frequently than if it was the middle of summer. The car takes longer to heat up and you are also pulling colder air through the heater matrix which has added cooling effect on the coolant flowing around the engine.
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Posted: Sun Dec 18, 2011 1:08 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| wasssssup wrote: |
| Lee wrote: |
| Last time I checked it was freezing outside. |
no sh*t sherlock lol I'm on about when its up to temp the oil reads correct just the coolant reads lower than it should |
You do know the coolant temp gauge is at the bottom of the rev counter on the GTI?
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Sun Dec 18, 2011 1:15 pm |
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Joined: Oct 18, 2010
Posts: 139
Trade Rating: 0
Location: west mids
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 i give up with this place
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Posted: Sun Dec 18, 2011 1:17 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| wasssssup wrote: |
| :roll: i give up with this place |
A lot of people have made the mistake & been looking at the wrong temp gauge before on here
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Sun Dec 18, 2011 1:19 pm |
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Joined: Oct 18, 2010
Posts: 139
Trade Rating: 0
Location: west mids
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its been reading 80*c for about 6 months now even in the crappy summer we had and yes i no where the coolant gauge is I'm not completely stupid lol
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Posted: Sun Dec 18, 2011 1:35 pm |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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| wasssssup wrote: |
ever since i have had my gti the coolant temp gauge has always sat dead on 90*c but I've noticed recently its been sitting at 80*c
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| wasssssup wrote: |
| its been reading 80*c for about 6 months now even in the crappy summer we had and yes i no where the coolant gauge is I'm not completely stupid lol |
Recently has just turned into 6 months. Were you not concerned about this 5 months ago?
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Posted: Sun Dec 18, 2011 5:08 pm |
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Joined: Feb 07, 2010
Posts: 2949
Trade Rating: +6
Location: Athens, Greece
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Wassup I'm on the same boat as you since before the summer on my 1.4i.
Generaly much lower engine temp readings than I'm used to (have the car for 5 years).
It takes ages for it to warm up, and temp sits at 68-70 even after long drive with high load/revs.
It will only pick-up temp when stationary for ages, obviously.
However, I have concluded it is to do with the wax mechanical thermostat in the coolant outlet (~90 C threshold)
and NOT the temp sensor itself, as I have checked with diag tool and sensor seems to be telling the truth.
Haven't got round to replacing it yet but I will in the next couple of weeks along with coolant re-newal, flush etc.
Hope this helps, and never give up on anything mate. 
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| 1.4i, 2001, 3-door, China Blue
Repair safely - Drive safely | |
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Posted: Mon Dec 19, 2011 1:54 am |
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Joined: Nov 16, 2010
Posts: 206
Trade Rating: 0
Location: wiltshire
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I think you'll find that Lee & Macca1411 have come up with the correct answer. Its WINTER and Im pretty sure every make of car will take longer to heat up and run cooler when its COLD outside !!! My 1.4 takes twice as long to reach its normal operating temp and also runs about 3-5 degrees cooler even when Im on the motorway!!! Cleaning the temp sensor wont make any difference unless you've not been using any anti-freeze and its caked in lime-scale and crud !
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| An Ex '03 1.4 GLX driver, German technology all the way now. | |
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Posted: Mon Dec 19, 2011 8:07 am |
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Joined: Jun 19, 2010
Posts: 1600
Trade Rating: +4
Location: South Bucks
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If the temp gauge is taking a long time to increase or staying low in any weather, it's very likely the thermostat is stuck OPEN! This means the coolant simply gets pumped around and isn't getting a chance to warm up thoroughly. It's a common problem on my Alfa 156.
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| Down to just the 1.4 HDi. Cayman Green 2.0i CC sold. | |
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Posted: Mon Dec 19, 2011 8:32 am |
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Joined: Apr 15, 2010
Posts: 514
Trade Rating: +1
Location: Eastbourne
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geeze its good to have it at 80 over 90 this time of year it will be becasue of the weather but i would test your thermostat if your really bothered as it might be stuck open or not have one at all
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| *DEAD*206 Gti 138
Toyota Celica T sport 205 BHP | |
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Posted: Mon Dec 19, 2011 8:53 am |
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Joined: Feb 07, 2010
Posts: 2949
Trade Rating: +6
Location: Athens, Greece
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| gazza82 wrote: |
| If the temp gauge is taking a long time to increase or staying low in any weather, it's very likely the thermostat is stuck OPEN! This means the coolant simply gets pumped around and isn't getting a chance to warm up thoroughly. It's a common problem on my Alfa 156. |
Yep.
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| 1.4i, 2001, 3-door, China Blue
Repair safely - Drive safely | |
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Posted: Mon Dec 19, 2011 9:25 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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