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2.5 tdi coolant change

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outbackski View Drop Down
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    Posted: 09 May 13 at 07:00
Hi Guy's
I would like to change my coolant in my 2006 2.5 tdi multivan...
can anyone give me some info on how to do it and how to bleed the system...
Please
Marc form OZCry
Marc Cafarella
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Vanorak
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Post Options Post Options   Thanks (0) Thanks(0)   Quote T5 TDI Quote  Post ReplyReply Direct Link To This Post Posted: 09 May 13 at 14:09
Hi Marc, there is nothing special to the job.  Just bottom hose off.  The 2.5's don't suffer from air locks so it should bleed itself if you leave it running for a while whilst keeping an eye on the coolant level.  I always leave the cap off to begin with.  Make sure to use the right coolant though. Smile  
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outbackski View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote outbackski Quote  Post ReplyReply Direct Link To This Post Posted: 09 May 13 at 23:23
Thanks mate
I will give it a go ,I assume that the radiator cap is under the plastic cover in front of the bonnet lock.?
is the coolant a VW product or can you buy an aftermarket brand ? and do you buy it premixed
Marc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote T5 TDI Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 13 at 14:01
There's no cap on the rad.  Just refill from the normal expansion bottle.  You can get Comma or whatever but it's worth ringing VW on price in case they have a deal.  You use it neat.  You need about 4 litres G12+. 
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Rebuild View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rebuild Quote  Post ReplyReply Direct Link To This Post Posted: 14 May 13 at 03:22
$30 or so for 1L concentrate from VW, makes 2 or 3 litres.Might need 2 or 3 bottles.
I only got one for topups if needed.
G12, G12+ or G12++ is fine when i asked
 
Penrite now list a G12 equivalent also


Edited by Rebuild - 14 May 13 at 03:23
Steve
2004 LWB 2.5 TDI 128KW auto
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outbackski View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote outbackski Quote  Post ReplyReply Direct Link To This Post Posted: 14 May 13 at 08:17
Thanks,I will call VW in canberra tomorrow and get a price.
is that right ,the capacity is only 4 ltrs ?or is that how much concentrate that is needed. ?
Marc Cafarella
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Vanorak
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Post Options Post Options   Thanks (0) Thanks(0)   Quote T5 TDI Quote  Post ReplyReply Direct Link To This Post Posted: 14 May 13 at 10:26
The cooling sysyem capacity is 7 litres.  You would usually need about 40-50% strength.
 
When I said 'you use it neat' I meant there is no need to pre-mix it.  I use distilled water because I live in slightly damp Cornish house and occasionally use a dehumidifier so it's free for me.  Most garages use tap water.  The later spec G12 is supposed to help with hard water.


Edited by T5 TDI - 14 May 13 at 10:27
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gregozedobe View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gregozedobe Quote  Post ReplyReply Direct Link To This Post Posted: 14 May 13 at 12:38
Canberra water is supposedly fairly soft (ie not many minerals).
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