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Gray79
Silverstone


Joined: 28 Apr 2019
Posts: 111
Location: Scarborough


PostPosted: Sun May 19, 2019 4:55 pm    Post subject: Coolant hoses Reply with quote

Put my 2S on my lift this morning for the first time, unfortunately found that the coolant hoses at the front are leaking. On inspection it looks like the metal sleeves on the rubber hoses are badly corroded and so are the metal hoses that they go in to. I’m sure I’ve seen a how to thread on these before, but I’m struggling to find it. I’m probably going to strip it next weekend before ordering any parts, any advice or tips before I start.

TIA Graham
 
  
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T8
General
General


Joined: 29 Jun 2010
Posts: 15957
Location: Kent


PostPosted: Sun May 19, 2019 4:58 pm    Post subject: Reply with quote

This thread might help

--> http://911uk.com/viewtopic.php?t=128998&start=0&postdays=0&postorder=asc&highlight=coolant+hoses
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ex 2002 Seal Grey 996.2 C4 Tiptronic
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7265
Location: Brighton


PostPosted: Sun May 19, 2019 5:49 pm    Post subject: Reply with quote

I was just about to give a lengthy post on what to do but realised i've already posted it on the link T8 posted ..

I'll leave it at that and move on i feel Smile
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monster
Imola


Joined: 04 Sep 2010
Posts: 785
Location: Bournemouth


PostPosted: Mon May 20, 2019 12:26 am    Post subject: Reply with quote

I did mine a few weeks ago Graham, at the time Demort advised me to just buy and replace all of the pipes at the front and he is right, its not worth trying to salvage any.

If you go on the Design911 website they list a kit with all the pipework that you will need - my advice is to buy all the appear in that kit but I found they were quite a bit cheaper in my local OPC when priced individually, so I bought from them.

You will also need the little support brackets and bolts that hold the aluminium crossover pipes as the bolts will shear as you undo them. If you need the part number for these I can find it for you.

Take note that the clips that hold the front pipes vary ever so slightly in size, so ensure you don't mix these up.

I caught my coolant, filtered it and re-used it.
 
  
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Gray79
Silverstone


Joined: 28 Apr 2019
Posts: 111
Location: Scarborough


PostPosted: Mon May 20, 2019 10:01 pm    Post subject: Reply with quote

Well I’ve got the right hand side stripped. I only had about 1.5 hours time tonight as I was looking after my kids whilst the missus was out. The alloy hoses and metal ends on the rubber hoses were totally knackered.
I’ll attack the left hand side later in the week.
 



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Gray79
Silverstone


Joined: 28 Apr 2019
Posts: 111
Location: Scarborough


PostPosted: Mon May 20, 2019 10:06 pm    Post subject: Reply with quote

monster wrote:
I did mine a few weeks ago Graham, at the time Demort advised me to just buy and replace all of the pipes at the front and he is right, its not worth trying to salvage any.

If you go on the Design911 website they list a kit with all the pipework that you will need - my advice is to buy all the appear in that kit but I found they were quite a bit cheaper in my local OPC when priced individually, so I bought from them.

You will also need the little support brackets and bolts that hold the aluminium crossover pipes as the bolts will shear as you undo them. If you need the part number for these I can find it for you.

Take note that the clips that hold the front pipes vary ever so slightly in size, so ensure you don't mix these up.

I caught my coolant, filtered it and re-used it.


Yeah I’m replacing them all, apart from the plastic ones. I’ve been pricing them on design911, I’ll probably get them off there as I don’t have a local opc.
 
  
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monster
Imola


Joined: 04 Sep 2010
Posts: 785
Location: Bournemouth


PostPosted: Mon May 20, 2019 10:32 pm    Post subject: Reply with quote

I was going to re-use the plastic pipes but the screws for the little brackets I mentioned earlier that shear off are housed within the plastic pipe - so I just replaced the phatic pipes on mine too - if yours haven't sheared off then the plastic pipes should be reusable.
 
  
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Gray79
Silverstone


Joined: 28 Apr 2019
Posts: 111
Location: Scarborough


PostPosted: Tue May 21, 2019 6:23 am    Post subject: Reply with quote

monster wrote:
I was going to re-use the plastic pipes but the screws for the little brackets I mentioned earlier that shear off are housed within the plastic pipe - so I just replaced the phatic pipes on mine too - if yours haven't sheared off then the plastic pipes should be reusable.


They were going to shear on me, so I left the clips in place and threaded the metal hose out through them. Hope it goes back in the same way.
 
  
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monster
Imola


Joined: 04 Sep 2010
Posts: 785
Location: Bournemouth


PostPosted: Tue May 21, 2019 8:59 am    Post subject: Reply with quote

Good thinking! - saved yourself £150 there! 👍
 
  
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jonno_
Nürburgring


Joined: 29 May 2014
Posts: 431
Location: Oxfordshire

2005 Porsche 997 Carrera 2S

PostPosted: Wed May 22, 2019 8:22 pm    Post subject: Reply with quote

Don't forget to use the Dinitrol or ACF50 on the join to help resist corrosion.
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Gray79
Silverstone


Joined: 28 Apr 2019
Posts: 111
Location: Scarborough


PostPosted: Fri May 24, 2019 8:52 pm    Post subject: Reply with quote

Well it’s back together, but the metal hoses were an absolute b**ch, I can see why some people drop the subframe to get them in. Probably not helped that I left the clips in place as I couldn’t get the bolts out. Just need to keep a check on the coolant level for a day or two, only took 7 litres to top it up, I thought I would have lost more. Dont know
 
  
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Maccy
Newbie


Joined: 03 Jun 2019
Posts: 37



PostPosted: Mon Jun 10, 2019 9:41 am    Post subject: Reply with quote

Sorry to bump a thread guys, but I picked up my 997 GTS on Saturday and it looks like I have a coolant leak Sad

Noticed fluid under the left exhaust when parked up, and the coolant level has fallen below minimum.

I'm taking it back to the dealer tomorrow to look at and hopefully covered under warranty, but any ideas what the issue could be?
 
  
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darkhorse
Silverstone


Joined: 24 Feb 2019
Posts: 141
Location: under the car


PostPosted: Mon Jun 10, 2019 12:15 pm    Post subject: Reply with quote

Maccy wrote:
Sorry to bump a thread guys, but I picked up my 997 GTS on Saturday and it looks like I have a coolant leak Sad

Noticed fluid under the left exhaust when parked up, and the coolant level has fallen below minimum.

I'm taking it back to the dealer tomorrow to look at and hopefully covered under warranty, but any ideas what the issue could be?


Is it under OPC warranty? Where did you buy it from?
 
  
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Maccy
Newbie


Joined: 03 Jun 2019
Posts: 37



PostPosted: Mon Jun 10, 2019 12:27 pm    Post subject: Reply with quote

darkhorse wrote:


Is it under OPC warranty? Where did you buy it from?


Purchased from Ashgood, a Porsche specialist in Slough, 3 months warranty.

I'm taking it back to them tomorrow but trying to get as much info on what the possible causes could be.
Searching on here and other places seem to point towards issues with the coolant hoses splitting/wearing or a split in the coolant tank.
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7265
Location: Brighton


PostPosted: Mon Jun 10, 2019 3:40 pm    Post subject: Reply with quote

Coolant tank or cap not tightened / cross threaded i would say in that area .

The pipes the OP did on this thread are at the front of the car .
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My Daughter's Crowdfunding has hit the target see Here

Thank you all so Very much .

She's not going until july 2020 though .



Mechanic

7pm - 9pm

Now At An Indy.
 
  
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Maccy
Newbie


Joined: 03 Jun 2019
Posts: 37



PostPosted: Mon Jun 10, 2019 4:24 pm    Post subject: Reply with quote

deMort wrote:
Coolant tank or cap not tightened / cross threaded i would say in that area .

The pipes the OP did on this thread are at the front of the car .


Cap was very tight and there were no signs of leakage around the top!
 
  
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brownspeed
Spa-Francorchamps


Joined: 09 Jun 2016
Posts: 252
Location: Gods favourite city-Manchester


PostPosted: Mon Jun 10, 2019 6:00 pm    Post subject: Reply with quote

watching this with interest, Graham; did you need to bleed the system after you refilled?
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Gray79
Silverstone


Joined: 28 Apr 2019
Posts: 111
Location: Scarborough


PostPosted: Mon Jun 10, 2019 6:42 pm    Post subject: Reply with quote

brownspeed wrote:
watching this with interest, Graham; did you need to bleed the system after you refilled?


I just filled the reservoir with coolant before starting the car, then sat with it revving at 3000rpm (wedged the throttle with a spanner) I kept topping it up. Only took 7litres of coolant (mixed) to re-fill the system and it hasn’t dropped since. Also kept checking the hoses that I fitted, not just for leaks but to make sure they were warming up so I knew the coolant was circulating.
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7265
Location: Brighton


PostPosted: Mon Jun 10, 2019 6:58 pm    Post subject: Reply with quote

And that's how we do it at work ..although a mechanic rather than a spanner Very Happy

i would check the following day to see if when cooled down it needed a bit more but normally it doesn't .

Job done .. move on .
_________________
.

My Daughter's Crowdfunding has hit the target see Here

Thank you all so Very much .

She's not going until july 2020 though .



Mechanic

7pm - 9pm

Now At An Indy.
 
  
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