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Creationblue
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Joined: 11 Oct 2016
Posts: 91
Location: Bristol UK


PostPosted: Sat Nov 16, 2019 12:37 pm    Post subject: Temp warning light Reply with quote

Just out for a drive this morning and noticed the warning light was flashing as I drove off. Stopped for 5mins and it was off for the journey, next start up it’s back on. Any advice from you good people?
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kurlykris
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Joined: 30 Jun 2014
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Location: Warwickshire


PostPosted: Sat Nov 16, 2019 1:03 pm    Post subject: Reply with quote

According to my owners manual, the temperature light will flash if the coolant level is too low, or if there is a fault with the engine compartment blower fan Thumb
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Lukec4s
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Joined: 20 Jul 2018
Posts: 47
Location: Watford


PostPosted: Sat Nov 16, 2019 1:44 pm    Post subject: Reply with quote

Have you checked coolant level?
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Creationblue
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Joined: 11 Oct 2016
Posts: 91
Location: Bristol UK


PostPosted: Sat Nov 16, 2019 3:09 pm    Post subject: Reply with quote

kurlykris wrote:
According to my owners manual, the temperature light will flash if the coolant level is too low, or if there is a fault with the engine compartment blower fan Thumb


T’was coolant level. Thanks for taking the effort to reply Thumb
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ScoobyDoo555
Barcelona


Joined: 26 Feb 2012
Posts: 1300



PostPosted: Thu Nov 21, 2019 1:20 pm    Post subject: Reply with quote

Just to add to this - I'd also be querying why the coolant was low......

usual suspects are:

expansion tank (hairline crack)
faulty expansion tank cap (common fault)
Leaking radiators..... VERY common with all the crud that collects in the air dams.... (usually means new rads, and while you're there, do the AC condensors)

Mine was down to leaking rads....

Hope this helps

Dan
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Creationblue
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Joined: 11 Oct 2016
Posts: 91
Location: Bristol UK


PostPosted: Thu Nov 21, 2019 1:22 pm    Post subject: Reply with quote

I have a very slight leak on the OS rad Dan, will change them both next year
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ScoobyDoo555
Barcelona


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PostPosted: Thu Nov 21, 2019 1:37 pm    Post subject: Reply with quote

thumbsup
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Bluebird911
Nürburgring


Joined: 29 May 2010
Posts: 457



PostPosted: Thu Nov 21, 2019 4:07 pm    Post subject: Reply with quote

Creationblue wrote:
I have a very slight leak on the OS rad Dan, will change them both next year


Hi Creation,

If I were you I would get the rads changed sooner to make sure your engine is protectively cooled.

When there's a leak in the cooling system, the pressure of the liquid drops and so does the boiling point of the coolant/antifreeze. Cooling systems are pressurised to raise the boiling point of the fluid to provide effective cooling. If the boiling point is lower, the coolant around the cylinder walls and heads will bubble boil at the hot surface, so will not effectively transfer heat to the flowing coolant in these areas which could be damaging.

With the boiling point being lower, you will not be aware of it on your temp gauge as it will show 'normal' temp.

Particularly for high performance engines, it is important the cooling system is kept in the best condition. I also suspect that the cold weather could 'find out' any imperfections in your rads.
 
  
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Creationblue
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Joined: 11 Oct 2016
Posts: 91
Location: Bristol UK


PostPosted: Fri Nov 22, 2019 8:25 am    Post subject: Reply with quote

Bluebird911 wrote:
Creationblue wrote:
I have a very slight leak on the OS rad Dan, will change them both next year


Hi Creation,

If I were you I would get the rads changed sooner to make sure your engine is protectively cooled.

When there's a leak in the cooling system, the pressure of the liquid drops and so does the boiling point of the coolant/antifreeze. Cooling systems are pressurised to raise the boiling point of the fluid to provide effective cooling. If the boiling point is lower, the coolant around the cylinder walls and heads will bubble boil at the hot surface, so will not effectively transfer heat to the flowing coolant in these areas which could be damaging.

With the boiling point being lower, you will not be aware of it on your temp gauge as it will show 'normal' temp.

Particularly for high performance engines, it is important the cooling system is kept in the best condition. I also suspect that the cold weather could 'find out' any imperfections in your rads.


Thanks for the input, great advise. My only reasoning is that I wont really be using the car now until the spring but will get the job done Thumb
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