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eutek

Member Since: 03 Mar 2009
Location: High Wycombe
Posts: 586

2009 Defender 110 Puma 2.4 XS CSW Stornoway Grey

Brake vacuum pump leak?

Hi all...

I noticed an oil patch on one of the hoses coming from the brake vacuum pump shortly after I bought my Defender, however it was where it made contact with another pipe... it didn't seem to be coming directly from the pump itself. I didn't see any of the other tell-tale signs of pump failure, like spray on the bonnet, and the truck was running fine.

When I brought it in for it's first service, I figured that the garage would tell me if anything were amiss, as they did spot that the rear diff seal was bad. They didn't say anything about it, and to be honest it slipped my mind to bring it up.

Since I've had the truck back from the garage however, it seems like a bit more oil has leaked out, and I've seen a few drops on the underside bonnet.

How quickly do these pumps fail when they do eventually go? I've got a big trip coming up, I can call LR assist but at the same time I don't enjoy the prospect of slamming on the brakes and having an issue!

2nd May 2010 8:33pm

Grockle

Member Since: 24 Nov 2008
Location: Peak District National Park
Posts: 2266

2008 Defender 90 Puma 2.4 XS CSW Tonga Green

get them to fit the latest pump which has a double seal 2.4 90 XS
1968 1/32 scale Britains 109 Pick up.

2nd May 2010 8:41pm

alantd

Member Since: 14 Dec 2008
Location: Northamptonshire
Posts: 1513

2007 Defender 110 Puma 2.4 XS CSW Tonga Green

They don't fail catastrophically.

They'll just leak to the point where the seal fails and oil is sprayed around quite a bit. If it isn't obvious (oil on the under side of the bonnet and around the pump itself) then don't bother taking it in - they'll need to be able to confirm the fault before replacing it.

Sounds like yours is on the way out - they'll probably be able to diagnose it pretty soon. Make sure the latest part is fitted as a replacement (I doubt there are many of the older ones kicking about now anyway). One that started out as a 2.4 TDCi 110 XS
+ New Defender 110 First Edition

3rd May 2010 9:43am

RED-DOT

Member Since: 29 Jun 2009
Location: stirling
Posts: 2363

Or spray some old oil all over the pump area... worked for me!! 2008 RS4 gone, 123d M Sport, and a Puma 90 XS..

3rd May 2010 10:37am

alantd

Member Since: 14 Dec 2008
Location: Northamptonshire
Posts: 1513

RED-DOT wrote:
Or spray some old oil all over the pump area... worked for me!!

I thought of doing that before mine failed

then it obliged and did it for me

One that started out as a 2.4 TDCi 110 XS
+ New Defender 110 First Edition

3rd May 2010 11:31pm

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