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Author Subject: Water tempertaure getting into the red!
lasooze

Newbie

Location: Leeds

Registered: 03 Jul 2013

Posts: 34

Status: Offline
Post #1
Hi Guys

Just wanted to pick some brains. In the last week or so the water temperature has been getting very hot, it's even reached the red zone at one point. In the intermin I've been turning up the heat and as long as I'm moving this seems to keep the temperature down. It had a new radiator and thermostat last October, I can't see any obvious signs of a leak in the system somewhere.

Apparently there is another thermostat that controls the fan. I conducted a test this morning; the fan came on at about 85 degrees but didn't saty on for long and hadn't reduced the temperature before it turned off.

Could it be the fan thermostat? Unsure

Until this started the temperature was always right on the middle of the gauge, never shifted.

________________________________________

Black 306 Rallye owner

If you like to read a bit of car geekery, check out this webite run by my other half: http://www.motorcardiaries.co.uk

Posted 26th Jul 2013 at 10:58
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

Status: Offline
Post #2
wallye or 6? i.e has it a-c or not?

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Posted 26th Jul 2013 at 11:07
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lasooze

Newbie

Location: Leeds

Registered: 03 Jul 2013

Posts: 34

Status: Offline
Post #3
It's a Rallye, no air con.

________________________________________

Black 306 Rallye owner

If you like to read a bit of car geekery, check out this webite run by my other half: http://www.motorcardiaries.co.uk

Posted 26th Jul 2013 at 11:36
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braymond

Seasoned Pro

Location: Brighton

Registered: 20 Aug 2008

Posts: 1,163

Status: Offline
Post #4
certainly sounds like a thermostat.

The water level hasn't gone down I assume? Does the rad/pipework feel hot to touch when up to temp?

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Posted 26th Jul 2013 at 11:44
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lasooze

Newbie

Location: Leeds

Registered: 03 Jul 2013

Posts: 34

Status: Offline
Post #5
The coolent level seems normal to me, as for how hot it is I've not thought to touch anything! I'm fairly sure it's hot though as the air coming through the air vents is hot hot hot.

________________________________________

Black 306 Rallye owner

If you like to read a bit of car geekery, check out this webite run by my other half: http://www.motorcardiaries.co.uk

Posted 26th Jul 2013 at 16:31
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

Status: Offline
Post #6
that means nowt as the heater is not on the rad circuit.

________________________________________

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

Bring on the Trumpets.

Posted 26th Jul 2013 at 16:52
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lasooze

Newbie

Location: Leeds

Registered: 03 Jul 2013

Posts: 34

Status: Offline
Post #7
Oh. Clueless me. Dwi ddim yn gwybod!

________________________________________

Black 306 Rallye owner

If you like to read a bit of car geekery, check out this webite run by my other half: http://www.motorcardiaries.co.uk

Posted 26th Jul 2013 at 22:53
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coskev

Seasoned Pro

Location: Oswestry

Registered: 01 Nov 2009

Posts: 3,132

Status: Offline
Post #8
The rad fan switch is just below the top hose on rad.

It is a twin speed switch,so your fan should kick in at half speed first,then if that does not bring temp down it should kick in at full speed.Yes

Are you deffo sure your coolant is really as hot as gauge is saying?Dunno
It could be your sender for your gauge is knackered and your coolant is not really over heating.Wink

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Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........

Mac1 ZR R1 kit car build in progress.
Posted 27th Jul 2013 at 12:17
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jimmyhackers

Seasoned Pro

Location: birmingham

Registered: 14 Jun 2011

Posts: 1,144

Status: Offline
Post #9
might be that when your new rad etc was fitted the heater matrix wasnt bled properly. undo the thumb screw with the engine running or make a topper bottle with this undone to fill it. its bled when water squirts out the bleed screw hole in your engine bay just on the back of the heater matrix.

saying that flush, depending or your collant colour, flush your coolant with water untill its stays nice n clear then add your final coolant solution.

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Posted 27th Jul 2013 at 18:42
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lasooze

Newbie

Location: Leeds

Registered: 03 Jul 2013

Posts: 34

Status: Offline
Post #10
Thanks!

________________________________________

Black 306 Rallye owner

If you like to read a bit of car geekery, check out this webite run by my other half: http://www.motorcardiaries.co.uk

Posted 30th Jul 2013 at 11:57
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