Post #1
have a strange problem with my 306 gti 6 when i drive the temperature is fine but when i have stopped in traffic or parked it overheats into the red but as soon as i start to drive again it cools back down and is fine. can anyone help please? (have replaced all sensors)
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displaying posts 1 to 18 of 18
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 kingbruv
Newbie  Location: east peckham Registered: 16 Feb 2011 Posts: 8 Status: Offline |
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 Posted 26th Feb 2011 at 02:28
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smegal
Seasoned Pro  Location: Leeds Registered: 26 Dec 2005 Posts: 5,940 Status: Offline |
Post #2
Do the fans come on when you unplug the brown sensor on the thermostat housing?________________________________________ Ex SC-6Now in a Megane R26 |
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Posted 26th Feb 2011 at 02:50
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kingbruv
Newbie Location: east peckham Registered: 16 Feb 2011 Posts: 8 Status: Offline |
Post #3
yea unplugged it and they came on |
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Posted 26th Feb 2011 at 03:03
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smegal
Seasoned Pro Location: Leeds Registered: 26 Dec 2005 Posts: 5,940 Status: Offline |
Post #4
Hmm search for "bitron" and see what comes up.________________________________________ Ex SC-6Now in a Megane R26 |
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Posted 26th Feb 2011 at 03:20
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honestly3k
Seasoned Pro  Location: Berkhamsted Registered: 06 Apr 2009 Posts: 2,390 Status: Offline |
Post #5
I had this problem but it never went into the red.Make sure when you are sat in traffic to put the blowers on hot and on max speed and to the top setting (front demister) and this will take some of the heat away from the engine. My problem was lazy fan motors. They are both supposed to cut in at 97 degrees on slow speed and then switch off again at 90. You need to run a little test and see if they kick in when they are supposed to. Once it gets to just above 97 degrees and if they havent kicked in give them a little tap with your finger to see if they then start rotating. If they only come on with you physically tapping them then it sounds like lazy fan motors and you will need new fans. It its not that then it could be a host of other things. ________________________________________ ''Oh, it does handle like a golf!'' Why drive a Golf....when you can drive a GTi-6? |
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Posted 26th Feb 2011 at 03:22
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kingbruv
Newbie Location: east peckham Registered: 16 Feb 2011 Posts: 8 Status: Offline |
Post #6
ok cheers do i search in goggle for it sorry a bit clueless lol and ok will try this tomoz it only happens some times but when it does it gets really hot |
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Posted 26th Feb 2011 at 03:29
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rallyeash
Seasoned Pro  Location: Devizes Registered: 11 Dec 2006 Posts: 4,424 Status: Offline |
Post #7
nah the search in the top right of this site bud ________________________________________ 230 hp 2.1 16v XU 205 rallye on jenveys Project thread here309 3dr K20 Type R |
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Posted 26th Feb 2011 at 03:29
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honestly3k
Seasoned Pro Location: Berkhamsted Registered: 06 Apr 2009 Posts: 2,390 Status: Offline |
Post #8
It it only happens sometimes then it could be the fan motors on the way out as sometimes they will work and others not. Just start her up 2mora and let her idle to 97 deg water temp. Then repeat test over and over and see what happens.... ________________________________________ ''Oh, it does handle like a golf!'' Why drive a Golf....when you can drive a GTi-6? |
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Posted 26th Feb 2011 at 03:34
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kingbruv
Newbie Location: east peckham Registered: 16 Feb 2011 Posts: 8 Status: Offline |
Post #9
ok will try this tomoz and let you know wat happens thank you |
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Posted 26th Feb 2011 at 03:41
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kingbruv
Newbie Location: east peckham Registered: 16 Feb 2011 Posts: 8 Status: Offline |
Post #10
done test the fans work everytime but do not go fast when it starts to get hot any ideas |
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Posted 26th Feb 2011 at 17:46
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honestly3k
Seasoned Pro Location: Berkhamsted Registered: 06 Apr 2009 Posts: 2,390 Status: Offline |
Post #11
What do you mean? At 97 they should both come on at LOW speed then go off again at 90.Its only when the water temp reaches 107 that both fans should come on at HIGH speed iirc. ________________________________________ ''Oh, it does handle like a golf!'' Why drive a Golf....when you can drive a GTi-6? |
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Posted 26th Feb 2011 at 17:49
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kingbruv
Newbie Location: east peckham Registered: 16 Feb 2011 Posts: 8 Status: Offline |
Post #12
sometimes it goes to red but they still stay slow. but doesnt always go into the red |
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Posted 26th Feb 2011 at 18:04
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honestly3k
Seasoned Pro Location: Berkhamsted Registered: 06 Apr 2009 Posts: 2,390 Status: Offline |
Post #13
Sounds like it could be your relays. Take the grill off and open up the triangular shaped box which has 3 relays in it. (just above the fans themselves) Check relays for corrosion and clean them up ________________________________________ ''Oh, it does handle like a golf!'' Why drive a Golf....when you can drive a GTi-6? |
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Posted 26th Feb 2011 at 18:23
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mjstones
Seasoned Pro  Location: straight outta compton Registered: 16 Oct 2007 Posts: 1,233 Status: Offline |
Post #14
does the heater work?________________________________________ Never underestimate the power of De-Nile.Friday afternoon car, built in France....  306gti6.com Stickers available, pm me for details. or email MjStones83@hotmail.com Sticker Thread with pics |
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Posted 26th Feb 2011 at 21:25
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kingbruv
Newbie Location: east peckham Registered: 16 Feb 2011 Posts: 8 Status: Offline |
Post #15
yea heater works |
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Posted 26th Feb 2011 at 22:00
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mjstones
Seasoned Pro Location: straight outta compton Registered: 16 Oct 2007 Posts: 1,233 Status: Offline |
Post #16
ah, i had a similar problem but the heater didn't work either and that was the thermostat. ________________________________________ Never underestimate the power of De-Nile.Friday afternoon car, built in France.... 306gti6.com Stickers available, pm me for details. or email MjStones83@hotmail.com Sticker Thread with pics |
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Posted 26th Feb 2011 at 22:16
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kingbruv
Newbie Location: east peckham Registered: 16 Feb 2011 Posts: 8 Status: Offline |
Post #17
got new relays put them in seems to be fine now hope theres no more problem now lol many thanks all :-) |
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Posted 27th Feb 2011 at 19:39
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Demograffix.com
Regular  Location: Stevenage Registered: 12 Sep 2011 Posts: 145 Status: Offline |
Post #18
this thread is very useful as im having the same problem, i will check the relays and for a lazy fan motor________________________________________ stevenage black gti 6, 198bhp |
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Posted 3rd Oct 2011 at 20:27
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