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mfjeep

Member Since: 26 Jul 2015
Location: ashford
Posts: 11

2009 Defender 110 Puma 2.4 CSW Epsom Green

Leaking water pump..gasket I think

Hi all, little bit of help here would be appreciated. (Puma 2.4 tdci 2010)
So my water pump started dropping coolant, I didn’t notice until she went into limp mode.
Whipped off the pump, looked like the fibre gasket (yes it was a fibre one) had bust at the bottom.
So went to Eurocsr parts today and got a replacement one (metal this time). Fitted it, filled system with water to test....leaking!..took it back off checked it over for damage, refitted it..., leaking! Went to Halfords, bought some locktite gasket silicone...fitted it...yup...leaking. Thought maybe I haven’t used enough sealer so tried again with more sealant.....stilll f...!! Leaking!!
Anyone got any ideas? it’s a straight forward job..I fitted the pump myself a couple of years back...I’m totally befuddled.

29th Jul 2019 6:57pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17610

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

When mine leaked it was the pump shaft seal that had failed, resulting in coolant leaking from a drain hole below the pump. With the pump on the engine it was impossible to see where the leak was coming from.

29th Jul 2019 7:39pm

Minch90

Member Since: 15 Sep 2017
Location: Gloucestershire
Posts: 236

Same here pump shaft failure 2.4TDCI 90 - everyday brilliance
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S3 lightweight - 2nd car 24V fire risk with a full tilt and the windscreen down
S1 80" - first car fun - 75mph in neutral downhill once #wobblesallround

29th Jul 2019 7:43pm

mfjeep

Member Since: 26 Jul 2015
Location: ashford
Posts: 11

blackwolf wrote:
When mine leaked it was the pump shaft seal that had failed, resulting in coolant leaking from a drain hole below the pump. With the pump on the engine it was impossible to see where the leak was coming from.

Thanks..that’s exactly right, impossible to see where it’s coming from..thanks so much ..I think that explains it

29th Jul 2019 8:13pm

MK

Member Since: 28 Aug 2008
Location: Santiago
Posts: 2454

2007 Defender 110 Puma 2.4 SW Chawton White

Ford Puma 110" SW

.............................................................
Earth first. Other planets later

30th Jul 2019 9:45am

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20627

Buy a Borg & Beck one for a 2.4. £85 and don’t go to that LR ridiculous price. I did and has been faultless ever since I fitted it a few years ago. In fact running temp is now a touch lower as well, although that may be combined with new coolant.
I recon it had some rubbish concentrate and water mix in before, I used pre mixed and that seemed a lot better. Then you know at least it’s a distilled water and coolant mix without and mineral deposits in it etc and mixed to the exact spec. Yes, costs a little more but saves the work.

Although everyone has their preferences.

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30th Jul 2019 9:59am

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20627

Forgot to add. LR tried to charge me £580 to replace it plus a pressure test that was £120!

TheThunder Rolls🇬🇧🇺🇸
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30th Jul 2019 10:00am

BrickBox

Member Since: 05 Oct 2021
Location: Wales
Posts: 885

2008 Defender 110 Puma 2.4 USW Zermatt Silver

Just bumping this thread.

Is it worth buying the water pump and vac pump complete and change them together, for peace of mind?

https://www.ebay.co.uk/itm/253485212912?mk...media=COPY 2008 2.4 110 Utility Station Wagon XS.

6th Mar 2023 12:17pm

BrickBox

Member Since: 05 Oct 2021
Location: Wales
Posts: 885

Anyone able to shed some advice on the above , please? 2008 2.4 110 Utility Station Wagon XS.

6th Mar 2023 4:03pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20627

Vac pump should be fine just replace gaskets.
With the waterpump, the whole unit inc manifold I would advise. TheThunder Rolls🇬🇧🇺🇸
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6th Mar 2023 5:44pm

BrickBox

Member Since: 05 Oct 2021
Location: Wales
Posts: 885

Brilliant - thank you

I already have the Borg & Beck complete water pump unit. I wasn’t sure whether I should send it back and buy the one from the link above as it comes with the vac pump. There’s nothing wrong with my vac pump - I was just assuming preventative Maintenance. 2008 2.4 110 Utility Station Wagon XS.

6th Mar 2023 6:36pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20627

Just lift the vac pump up and away and tie just out the way after removing the three bolts.
That’s all that’s needed with that, don’t undo the hose and coupling attached to it, it’s more trouble than it’s worth so I have heard so I’m glad that I never did.

If you can get away without dismantling anything whilst doing a job then that’s ideal, you never know what might break otherwise. And then get one job end up turning into three.
Some tissue paper such and blue workshop paper or kitchen roll is a good idea to clean up any minor spills of fluids, otherwise a little can get everywhere.

TheThunder Rolls🇬🇧🇺🇸
⛽️🛢️⚙️🧰💪

6th Mar 2023 7:19pm

BrickBox

Member Since: 05 Oct 2021
Location: Wales
Posts: 885

Fantastic advice, thank you!

2008 2.4 110 Utility Station Wagon XS.

6th Mar 2023 7:31pm

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