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Jam911
Barcelona


Joined: 31 Oct 2010
Posts: 1461



PostPosted: Sun Feb 17, 2019 2:25 pm    Post subject: Coolant Change - How Often? Reply with quote

I have a major service coming up and wanted to see when to change the coolant but there is not much info about.

What is the Porsche recommended and general consensus please?
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Magic919
Suzuka


Joined: 05 Jun 2013
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Location: Berkshire


PostPosted: Sun Feb 17, 2019 2:29 pm    Post subject: Reply with quote

Porsche don’t suggest changing it.
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jl-c
Silverstone


Joined: 22 Jul 2013
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Location: Shropshire


PostPosted: Sun Feb 17, 2019 4:11 pm    Post subject: Reply with quote

I do mine every 5 years but the chances are you will have compromised the system in that time, ie header tank or water pump. Be aware that a drum of coolant from Porsche was £160 when I did mine last then mix with distilled water. Use the correct vacuum pump/filler, makes life much easier. Porsche claim "for life" but who knows what that really means? eh!
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SGH
Monza


Joined: 06 Jan 2018
Posts: 236
Location: East Sussex

2010 Porsche 997 Carrera 4S

PostPosted: Sun Feb 17, 2019 6:37 pm    Post subject: Reply with quote

I am considering Evans Waterless Coolant I have it in my Land Rovers and see RPM use it.
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6169
Location: Brighton


PostPosted: Sun Feb 17, 2019 6:44 pm    Post subject: Reply with quote

Its about £250 for enough Evans to fill a Porsche .. not cheap .

There is No replacement interval for coolant from Porsche .. you measure the content .. Porsche specifie a 50 / 50 mix which eqates to about -31 C .. i would recomend against spending money on this .. just get the strength checked and top up if needed .

Its not something ive done other than on a 944 .
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Jam911
Barcelona


Joined: 31 Oct 2010
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PostPosted: Sun Feb 17, 2019 7:31 pm    Post subject: Reply with quote

Thank you for your wisdom on this.

I will not change it.
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Riccardo
Trainee


Joined: 25 Oct 2011
Posts: 97
Location: London


PostPosted: Tue Feb 19, 2019 11:46 am    Post subject: Reply with quote

When I asked my independent he also suggsted not to change it. (This is from a well reputed one.)

Its weird, as BMW used to be quite religious about coolant changes (less now) but Porsche never did with the water cooled stuff.
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996lee
Hockenheim


Joined: 26 Aug 2014
Posts: 692
Location: Nottingham


PostPosted: Tue Feb 19, 2019 12:10 pm    Post subject: Reply with quote

SGH wrote:
I am considering Evans Waterless Coolant I have it in my Land Rovers and see RPM use it.


i've also looked into this
but its not just the cost of the waterless coolant itself
it also needs the evans prep fluid to remove any trace of water

but i do like the thought of it having no pressure in the system

no idea if it was paid promotion sales pitch snake oil stuff but saw a jay leno garage episode that stripped an engine that used evans waterless and one that used normal conventional coolant and the evans engine looked immaculate compared to the corroded engine with normal coolant
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MisterCorn
Long Beach


Joined: 08 Jan 2011
Posts: 6740
Location: Nottingham, England

2004 Porsche 996 Turbo

PostPosted: Tue Feb 19, 2019 12:23 pm    Post subject: Reply with quote

Having recently removed my radiators, engine, and various other coolant pipes, one thing I can say is that getting the old coolant out completely to fill with Evans is a non-trival task. I would only look at doing it after the engine has been out of the car and all coolant lines have been removed. The stuff stays pretty much everywhere!!

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easternjets
Kyalami


Joined: 29 Apr 2016
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Location: Darlington


PostPosted: Tue Feb 19, 2019 12:51 pm    Post subject: Reply with quote

If it ain't broke don't fix it!
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