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funrover

Member Since: 12 Dec 2010
Location: Yorkshire
Posts: 130

2008 Defender 110 Puma 2.4 USW Stornoway Grey

TD5 Major Fluid Loss

Hi guys, wondering if you could help diagnose the following.

Over the weekend, we topped our coolant expansion tank up in the TD5 to the proper level. It was driven 200 miles and it's dropped 2 or 3 inches. However, the vehicle has also started losing a lot of fluid on the left hand side of the truck. It's hard to spot the leak, we've checked the radiator up front and this looks ok. There are 3 definite patches of an oily like substance, presumably coolant? It smells quite ammonia like. Drips are forming under the left hand side of the radiator (as if you were sat in cab) and directly underneath the swivel housing on the axle. There also appears to be some leaking down the bulkhead at the rear of the front left wheel arch. Here's hoping this is just a radiator, heater matrix or hose split and not some sort of horrible head gasket failure.

Any ideas? Apologies if this has been posted before. Editor of FunRover - One blog. Read it!
Land Rover rebuild video series here:

21st Mar 2011 10:58am

T1G UP

Member Since: 08 Dec 2009
Location: Bath
Posts: 3101

2011 Defender 110 Puma 2.4 XS CSW Orkney Grey

on my td5 the top hose bleed screw decide to split and leak. check that

21st Mar 2011 12:46pm

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5707

2006 Defender 110 Td5 USW Zermatt Silver

Check Rad, top hose clips, heater matrix pipes, and core plug thing in cylinder head above exhaust manifold

Andy

21st Mar 2011 8:12pm

Steve B

Member Since: 22 May 2009
Location: Warwickshire
Posts: 586

Hi Funrover,

T1G UP's suggestion is a good one as it does sound like you have coolant spraying everywhere. Also check where it fits onto the outlet elbow. It is rather close to the exhaust and gets perished, it was on mine.

I had a recent coolant leak and it was from the coolant plug between cylinders 3 + 4 on the exhaust side, look under the exhaust manifold with a torch. My plug was loose.

Another place to look as suggested to me is the oil cooler, again under the exhaust manifold and bolted to the block.

Here is the thread I started. http://www.defender2.net/forum/topic5511.html

Be sure to let us know what it was for future reference.

Steve

21st Mar 2011 8:15pm

funrover

Member Since: 12 Dec 2010
Location: Yorkshire
Posts: 130

Thanks for all the help guys, I'll give it a good check over this week and report back. Editor of FunRover - One blog. Read it!
Land Rover rebuild video series here:

21st Mar 2011 10:44pm

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