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DucatiRob
Kyalami


Joined: 22 Jul 2015
Posts: 1765
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Mon Apr 08, 2019 9:15 am    Post subject: Water Pump Replacement - how much coolant Reply with quote

Planning to replace my water pump at the weekend, I know there is something like 8 gallons of coolant in the whole system but have read that you only lose around 2 gallons when changing the pump. Anyone done this job, any tips? Will need a bigger bucket if I need to drain 8 gallons Surprised
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6799
Location: Brighton


PostPosted: Mon Apr 08, 2019 4:18 pm    Post subject: Reply with quote

I've never actually measured it but i expect about 7-8 ltrs at most for just the water pump .
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timbo1811
Silverstone


Joined: 13 Dec 2016
Posts: 109
Location: Dorset


PostPosted: Mon Apr 08, 2019 5:24 pm    Post subject: Re: Water Pump Replacement - how much coolant Reply with quote

DucatiRob wrote:
Planning to replace my water pump at the weekend, I know there is something like 8 gallons of coolant in the whole system but have read that you only lose around 2 gallons when changing the pump. Anyone done this job, any tips? Will need a bigger bucket if I need to drain 8 gallons Surprised


there are some good tutorials about, from memory, I removed engine mounts, there are a couple of difficult bolts to get at on the pump, you almost need a flexi drive. Its possible to snag the gasket while putting the pump back so need to be extra careful. The gasket doesn't look like a gasket, its metal, but it works. Got my pump from Autodoc, excellent price and OEM.
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DucatiRob
Kyalami


Joined: 22 Jul 2015
Posts: 1765
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Mon Apr 08, 2019 8:12 pm    Post subject: Reply with quote

deMort wrote:
I've never actually measured it but i expect about 7-8 ltrs at most for just the water pump .


Thanks deMort Thumb sounds about right then!
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DucatiRob
Kyalami


Joined: 22 Jul 2015
Posts: 1765
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Mon Apr 08, 2019 8:20 pm    Post subject: Re: Water Pump Replacement - how much coolant Reply with quote

timbo1811 wrote:
DucatiRob wrote:
Planning to replace my water pump at the weekend, I know there is something like 8 gallons of coolant in the whole system but have read that you only lose around 2 gallons when changing the pump. Anyone done this job, any tips? Will need a bigger bucket if I need to drain 8 gallons Surprised


there are some good tutorials about, from memory, I removed engine mounts, there are a couple of difficult bolts to get at on the pump, you almost need a flexi drive. Its possible to snag the gasket while putting the pump back so need to be extra careful. The gasket doesn't look like a gasket, its metal, but it works. Got my pump from Autodoc, excellent price and OEM.


Cheers timbo, have read a few of the tutorials and there is a good video on Youtube but they never cover everything! Looks a pretty easy job though! Ordered my pump and alternator from Autodoc, good prices. I ordered the Pierburg pump, think they are the OEM manufacturer, and it comes with a new gasket Thumb
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bobi61
Silverstone


Joined: 13 Mar 2016
Posts: 118



PostPosted: Mon May 06, 2019 6:38 pm    Post subject: Reply with quote

did you change the water pump ??
 
  
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DucatiRob
Kyalami


Joined: 22 Jul 2015
Posts: 1765
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Mon May 06, 2019 10:06 pm    Post subject: Reply with quote

bobi61 wrote:
did you change the water pump ??


Yes I sis a couple of weeks ago, pita of a job but not difficult! Needed about 6 /7 litres of coolant to top up after Thumb
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deMort
Long Beach


Joined: 21 Mar 2015
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Location: Brighton


PostPosted: Tue May 07, 2019 7:25 pm    Post subject: Reply with quote

i was a litre out on my guess !

btw .. June 29 .. meets section .. come say hello Very Happy
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8260
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Tue May 07, 2019 9:54 pm    Post subject: Reply with quote

I'm currently swapping my 996 pump and always find that a 10L bucket is perfect for draining the coolant to do any jobs on the coolant system front or rear. I always re-use the same coolant I removed as its perfectly clean still but I will filter it before putting it back in.

THE difficult bolt to get out was tricky but I managed it using a short 10mm socket plus 3/8 wobble bar with an extension on it as I couldn't get any kind of ratchet in there and a spanner didn't have any movement.
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DucatiRob
Kyalami


Joined: 22 Jul 2015
Posts: 1765
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Tue May 07, 2019 10:16 pm    Post subject: Reply with quote

deMort wrote:
i was a litre out on my guess !

btw .. June 29 .. meets section .. come say hello Very Happy


In my diary deMort Thumb
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DucatiRob
Kyalami


Joined: 22 Jul 2015
Posts: 1765
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Tue May 07, 2019 10:19 pm    Post subject: Reply with quote

infrasilver wrote:
I'm currently swapping my 996 pump and always find that a 10L bucket is perfect for draining the coolant to do any jobs on the coolant system front or rear. I always re-use the same coolant I removed as its perfectly clean still but I will filter it before putting it back in.

THE difficult bolt to get out was tricky but I managed it using a short 10mm socket plus 3/8 wobble bar with an extension on it as I couldn't get any kind of ratchet in there and a spanner didn't have any movement.


Took me at least half an hour to undo THAT bolt Mad undoing it with a small ratchet was no problem, actually removing it millimetre by millimetre nearly broke me frustrated
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timbo1811
Silverstone


Joined: 13 Dec 2016
Posts: 109
Location: Dorset


PostPosted: Wed May 08, 2019 10:12 am    Post subject: Reply with quote

ahhhh, that bolt!! Mad
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easternjets
Watkins Glen


Joined: 29 Apr 2016
Posts: 2032
Location: Darlington


PostPosted: Wed May 08, 2019 10:29 am    Post subject: Reply with quote

You want to do the one on a 997.1 Turbo, you can see it but to get at it I had to pull the engine mount plate out of the way.
Couldn't believe the difference in price between OPC and Autodoc, think I saved best part of £300 buying Autodoc's Pierburg pump which is what Porsche fit as std.
It's also a good shout if your buying a 997 to check for weeps around the pump/pipe as there was when I bought my 1st car. Dealer told me it was a weeping pipe which needed refitting and tightening, it wasn't it was the pump which I believe is a £1000 bill from an OPC, for a Turbo as the whole exhaust has to come off.
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6799
Location: Brighton


PostPosted: Wed May 08, 2019 7:24 pm    Post subject: Reply with quote

If it helps then i don't have any easy answer for That Bolt !

YUP ..we all know what we are talking about when it comes to the bolt lol
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 8260
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Wed May 08, 2019 8:25 pm    Post subject: Reply with quote

I refitted my water pump today and after trying every socket and extension combination I could, this was the easiest set up by far and only took me a minute to tighten it back up.

A short 10mm socket 1/2" drive, a T bar with 1/4" drive and a converter from 1/4" to 1/2" inbetween them.



My deep extensions are too long to get in and my normal sockets are too small and the ratchets heads are all too large to be able to spin, even my 1/4" ones, the above was perfect. I extended the T bar a little to actually nip the bolt up at the end.
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