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| 944 anti freeze service advice https://forums.tipec.net/viewtopic.php?f=25&t=21283 |
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| Author: | welshporsche [ Wed Apr 13, 2016 6:49 pm ] |
| Post subject: | 944 anti freeze service advice |
Hi all next week I plan to do a coolant change on my 944 early 8v 2.5 If I'm correct it's a 50/50 mixture with distilled water ? I looked into the header tank and coolant colour is blue what coolant make can I buy for it and any tips advice please thanks |
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| Author: | Brewer [ Wed Apr 13, 2016 7:15 pm ] |
| Post subject: | Re: 944 anti freeze service advice |
what about evans waterless coolant? it is more expensive but less pressure on old hoses |
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| Author: | AlpineTurbo [ Wed Apr 13, 2016 10:06 pm ] |
| Post subject: | Re: 944 anti freeze service advice |
If you are doing a simple change and you only have blue coolant in it I'd go with Glytasyn G48 and that only ; it's the only IAT antifreeze I have seen recently that keeps the engine rust free if you use the car alot. The biggest problem is that the one thing that made IAT good (Phosphate) does not work so well in a hard water area - it calcifies with obvious results). If you are doing a full flush then I'd consider something like the Porsche coolant or a half decent OAT antifreeze like Glytasyn G30. Evans does not remove all of the pressure but it does remove most of it. While it does put less strain on old hoses I'd still replace tired or swollen items regardless, even if the bill does come to around £60-70 on the hoses. 50/50 is the right mix. As for tips, before firing it up I would top the tank up near the very top of the filler neck, and put a bike pump onto an cut inner tube with one end sealed up, and then pressurise the coolant system to about 15-20PSi in order to bleed the air effectively out of the bleed screw. |
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| Author: | welshporsche [ Thu Apr 14, 2016 5:42 am ] |
| Post subject: | Re: 944 anti freeze service advice |
Thanks all great advice like the bicycle pump tip |
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| Author: | welshporsche [ Thu Apr 14, 2016 5:51 am ] |
| Post subject: | Re: 944 anti freeze service advice |
Would you use water wetter I've only read a bit about this product I don't use my car much |
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| Author: | welshporsche [ Thu Apr 14, 2016 6:11 am ] |
| Post subject: | Re: 944 anti freeze service advice |
Thanks for help what's best way to do coolant change is it remove coolant pipe off the radiator on the bottom and hose runing in header tank and leave engine run a bit ? |
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| Author: | pilch [ Thu Apr 14, 2016 7:59 am ] |
| Post subject: | Re: 944 anti freeze service advice |
welshporsche wrote: Thanks for help what's best way to do coolant change is it remove coolant pipe off the radiator on the bottom and hose runing in header tank and leave engine run a bit ? I get the engine warm so the thermostat is open, then pull the bottom hose. Yes it will be warm coolant so be careful! Once its cooled down I undo the bleed nipple and refill. If you have a length of 8mm clear pipe run in from the bleed nipple into the header tank. Just let the engine run till no more bubbles in the pipe. Done it twice on my S now and its worked perfect both times. |
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| Author: | welshporsche [ Thu Apr 14, 2016 4:50 pm ] |
| Post subject: | Re: 944 anti freeze service advice |
Thanks pilth I went to local shop today they only sold comma X Stream G05 and auto tech blue antifreeze? So I'll pop out tommorrow and try and get comma G48 |
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| Author: | AlpineTurbo [ Thu Apr 14, 2016 8:47 pm ] |
| Post subject: | Re: 944 anti freeze service advice |
Other way is to get some circlip pliers and renew the thermostat and probably get a new one. I'd personally only fit either a Porsche or a BEHR item and they are not massively pricey either. |
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| Author: | welshporsche [ Fri Apr 15, 2016 12:40 pm ] |
| Post subject: | Re: 944 anti freeze service advice |
Picked up G48 today and distilled water battery top up so tommorrow morning going to have a go just hope the bottom radiator hose comes off easy lol |
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| Author: | welshporsche [ Sat Apr 16, 2016 2:43 pm ] |
| Post subject: | Re: 944 anti freeze service advice |
All done tips and help worked well thanks next job now |
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