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Rob2798

Member Since: 24 Oct 2021
Location: Leicester
Posts: 6

2009 Defender 110 Puma 2.4 CSW Zermatt Silver

2009 Puma leaking water under the engine

Hi, Thanks for allowing me into the group. I have a quick question please. I've had my Defender for 2 leak free years. In the last few days I've noticed a small puddle of water forming on the ground under the engine on the front passenger side of the car after I've been driving it for maybe 20 minutes.

The water is clear and I'm fairly sure it isn't washer fluid as it has no odour and the washer bottle is full. Similarly, although I did find a single drop of coloured water on the chassis similar to coolant, the majority is absolutely clear and it can be seen running down the chassis from somewhere in the engine bay.

It looks like the sort of condensation that you get from aircon but mine is only a CSW with no aircon and it's never done it before. the only thing that has changed is that I recently had a Stage 1 remap and EGR delete carried out but I've covered 1000 miles since then and the car drives well and the temp seems fine.

Is this something that I should worry about or has anyone else seen anything similar?

I'd be really grateful for any suggestions especially because I'm over in Europe with it at the minute and I don't want to do anything that will cause me problems further down the line.

Thanks so much!

24th Oct 2021 9:22pm

AndrewS

Member Since: 10 Apr 2007
Location: Hereford
Posts: 3707

2013 Defender 130 Puma 2.2 SW Rimini Red

Water from aircon ? There is a rubber 'duck mouth' on the end of the aircon drain. It gets blocked so the water can't drain and builds up. When you park up the trapped water slowly finds its way out.
If it is this you are going to have to get under the vehicle and reach up above the front of the gearbox and unblock the duck mouth. Be prepared to get a wet arm. 130's have feeling's as well you know

24th Oct 2021 9:49pm

Rob2798

Member Since: 24 Oct 2021
Location: Leicester
Posts: 6

Hi, thanks so much for your reply. It does look exactly like water from an aircon unit but mine doesn't have aircon unfortunately so it can't be that.

24th Oct 2021 9:51pm

pj2106

Member Since: 20 Dec 2012
Location: Huntingdon AKA The Shire
Posts: 1500

2008 Defender 110 Puma 2.4 USW Stornoway Grey

Water pump failed running down the chassis had this on mine a few years ago the plastic out let’s fail and new pump needed 2008 110 2.4 XS Utility (Hagrid)
2002 90 TD5 Hardtop (Sully) Sold
1998 300TDi D1 (Billy) Sold

24th Oct 2021 10:16pm

Rob2798

Member Since: 24 Oct 2021
Location: Leicester
Posts: 6

Ah thanks. It only leaks for a few minutes after stopping. Does that sound right? Would the water be clear if it's the pump? Shouldn't it be coolant? The coolant level seems fine you see. Sorry for asking so many questions. Do you know if it's an easy job to fix?

24th Oct 2021 10:21pm

pj2106

Member Since: 20 Dec 2012
Location: Huntingdon AKA The Shire
Posts: 1500

You’ll struggle to see a different colour unless heavily mixed give it a taste if it’s sweet then prob coolant

New water pump will sort about an hours job hardest bit is bleeding back up

Worth replacing vcv valve whilst your at it 2008 110 2.4 XS Utility (Hagrid)
2002 90 TD5 Hardtop (Sully) Sold
1998 300TDi D1 (Billy) Sold

24th Oct 2021 10:37pm

pj2106

Member Since: 20 Dec 2012
Location: Huntingdon AKA The Shire
Posts: 1500

Only other thing I can think would be heater matrix again would be coolant leaking failing that check your washer bottle but wouldn’t matter of running or not with that

No where else for water to come from 2008 110 2.4 XS Utility (Hagrid)
2002 90 TD5 Hardtop (Sully) Sold
1998 300TDi D1 (Billy) Sold

24th Oct 2021 10:38pm

Rob2798

Member Since: 24 Oct 2021
Location: Leicester
Posts: 6

Thanks that's great advice. I collected some of the fluid in a jar and it was definitely clear and odourless. I'm over in Europe at the minute so I've not got a Haynes manual with me sadly but isn't the water pump on the left hand side of the engine as you look at it from the front? The leak is on the opposite side if so. Would it leak all the time or only after having driven the car do you know?

Thanks so much for all of this. I'm just worried about being stranded somewhere!

24th Oct 2021 10:44pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17349

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

The water pump is on the nearside of the engine, not the offside.

24th Oct 2021 10:51pm

Rob2798

Member Since: 24 Oct 2021
Location: Leicester
Posts: 6

Ah great, that would make sense cheers

24th Oct 2021 10:52pm

Rob2798

Member Since: 24 Oct 2021
Location: Leicester
Posts: 6

Can I ask why you think it's worth changing the VCV valve at the same time please?

Very occasionally I've had a problem where the engine loses power until I stop it and then restart. I had thought that it was a sticky EGR valve but it has done it twice since having the EGR valve deleted. Some people have suggested that it could be the VCV valve so it sounds like a great idea but I'm not sure whty it would be worth changing it at the same time as the water pump.

25th Oct 2021 3:09am

Balvaig

Member Since: 19 Feb 2016
Location: Fife
Posts: 729

2016 Defender 90 Puma 2.2 Landmark LE Corris Grey

Could it be a blocked outlet on the air intake box for the heater. There is a rubber valve in the base which can become blocked with leaves and detritus. Worth checking.

25th Oct 2021 8:35am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17349

^^ This. If you're not losing coolant or screen-washer fluid, and don't have a/c, there is not much else it can be.

25th Oct 2021 8:52am

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