displaying posts 1 to 19 of 19

Author Subject: radiator thermostat coolant
curlz1987

Newbie

Location: ipswich

Registered: 06 Jul 2014

Posts: 9

Status: Offline

Post #1
Hi I have a 306 gti 6 iv just replaced the thermostat because I thought it was stuck open I have had problems with cutting out wen hot like 90degs. And stutters sometimes wen gunning it. Also my heating seems to be luke warm not hot. Iv bleed the system all three bleed points. I dont seem to be getting much pressure in the top rad hose. I cant c it being the head gasket as I dont loose any water plus there is no water in the oil.cars runs around 78 degs at 30 to 80 mph. Thermostat works fine opens at 83 deg. Any help welcome
Posted 17th Dec 2014 at 21:30
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #2
Probably needs a new matrix or at least it flushing out.

stuttering could be a number of sensors on the engine.

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Posted 17th Dec 2014 at 21:34
curlz1987

Newbie

Location: ipswich

Registered: 06 Jul 2014

Posts: 9

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Post #3
Its running through ok and both pipes are hot coming out where the thermostat is. The bleed screw top left bulk head flows out out no probs. Just dont know why theres not a lot of pressure in the top rad hose. Normally hard to squeeze once up to temp but its got hardly any pressure at all
Posted 17th Dec 2014 at 21:47
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

Status: Offline

Post #4
only gets hard when the hg goes tbh.

try a new cap anyway

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 17th Dec 2014 at 21:51
curlz1987

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Location: ipswich

Registered: 06 Jul 2014

Posts: 9

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Post #5
What rad cap?
Posted 17th Dec 2014 at 21:53
dangti6

aka JKshooter

Location: Taunton, Somerset

Registered: 15 Jun 2006

Posts: 10,305

Status: Offline

Post #6
Thanks for your message.

Your feedback is important to us.

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  • Posted 17th Dec 2014 at 22:00
    curlz1987

    Newbie

    Location: ipswich

    Registered: 06 Jul 2014

    Posts: 9

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    Post #7
    Heating is bothering me more as its coming into winter. Set on cold its cold wen set on hot it just about comes out luke warm. Theres no air locks coolants coming through the matrix fine dont understand why it's not hot
    Posted 18th Dec 2014 at 06:03
    curlz1987

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    Location: ipswich

    Registered: 06 Jul 2014

    Posts: 9

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    Post #8
    Any 1 on here
    Posted 18th Dec 2014 at 16:04
    buzzbrightyear

    Seasoned Pro

    Location: hiding all receipts for car

    Registered: 09 Jul 2008

    Posts: 11,894

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    Post #9
    have you removed the matrix pipes and back flushed the matrix?

    ________________________________________

    andrew315rawson@live.co.uk
    Moonstone phase 7 gti6
    My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1
    Posted 18th Dec 2014 at 16:09
    curlz1987

    Newbie

    Location: ipswich

    Registered: 06 Jul 2014

    Posts: 9

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    Post #10
    Just the bleed srew and return pipe from heating matrix both flowing fine. Car runs around 75 to 78 deg wen doing over 30 is that normal
    Posted 18th Dec 2014 at 18:44
    prism7guy

    Seasoned Pro

    Location: DoncastAAAAARGH

    Registered: 13 Jan 2008

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    Post #11
    Could it be the air direction part in the heater box area behind the dash? Not sending air through the matrix to heat it up.

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    Posted 18th Dec 2014 at 20:00
    buzzbrightyear

    Seasoned Pro

    Location: hiding all receipts for car

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    Post #12
    curlz1987 wrote:
    Just the bleed srew and return pipe from heating matrix both flowing fine. Car runs around 75 to 78 deg wen doing over 30 is that normal


    Just the bleed screw only won't show you how it's flowing.
    Other than that the flap as said above, is there anyway to see it moving without removing dash?

    ________________________________________

    andrew315rawson@live.co.uk
    Moonstone phase 7 gti6
    My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1
    Posted 18th Dec 2014 at 20:05
    curlz1987

    Newbie

    Location: ipswich

    Registered: 06 Jul 2014

    Posts: 9

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    Post #13
    It might be. not sure how to get to it 2 check it out though. will av 2 google it 2 c where it is. It must open a bit cause it warms up just not as hot as ud expect it 2 be. Like it's set on 21 deg and not full heat.any 1 know if u can get 2 it behind cdplayer. Cheers for the help ppl
    Posted 18th Dec 2014 at 22:48
    curlz1987

    Newbie

    Location: ipswich

    Registered: 06 Jul 2014

    Posts: 9

    Status: Offline

    Post #14
    Just the bleed srew and return pipe from heating matrix both flowing fine. Car runs around 75 to 78 deg wen doing over 30 is that normal
    Posted 18th Dec 2014 at 22:49
    dangti6

    aka JKshooter

    Location: Taunton, Somerset

    Registered: 15 Jun 2006

    Posts: 10,305

    Status: Offline

    Post #15
    curlz1987 wrote:
    Any 1 on here


    Very few these days.

    ________________________________________

  • Senior Test Automation Engineer for the 306GTi6 Owners Club Forum Wizard


  • Posted 18th Dec 2014 at 23:19
    curlz1987

    Newbie

    Location: ipswich

    Registered: 06 Jul 2014

    Posts: 9

    Status: Offline

    Post #16
    Yeah I think it maybe the flap was playing around with it on way to work every time I turned it to cold then hot again it would get hot then next time it would go cold or luke warm so might be possibly sticking a bit
    Posted 19th Dec 2014 at 10:01
    ad

    Regular

    Location: High Wycombe

    Registered: 15 Aug 2004

    Posts: 282

    Status: Offline

    Post #17
    Might be a sensor in the dash itself, also the little fan/ temp sensor in the roof by the light might need a clean as it can clog up with dust ect and get a false reading....

    It could be a number of things though, we all know what these cars are like.

    How much antifreeze have you put in? Is it the right stuff ect ect

    Good luck.
    Posted 1st Jan 2015 at 12:50
    Rich E Forum Admin

    Location: Hertfordshire

    Registered: 27 Apr 2005

    Posts: 7,757

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    Post #18
    Moved from Feedback

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    Posted 1st Jan 2015 at 13:36
    buzzbrightyear

    Seasoned Pro

    Location: hiding all receipts for car

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    Post #19
    dangti6 wrote:
    Thanks for your message.

    Your feedback is important to us.


    LOL never noticed till last post, I wondered what you ment, I just thought you felt like been a bit random

    ________________________________________

    andrew315rawson@live.co.uk
    Moonstone phase 7 gti6
    My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1
    Posted 1st Jan 2015 at 14:00

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