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jfh



Member Since: 08 Jan 2014
Location: West Coast
Posts: 357
South Africa 2007 Defender 110 300 Tdi SW Chawton White
300Tdi oil seepage
Yes I know they leak but mine is actually dry in most cases.

Mine has a seep at both sides of the engine.
I've washed the engine and after a 37°C day I rolled back under the vehicle to see what is going on. Vehicle wasn't started after wash.

There was a oil drop on the the "support" running from the engine mount to the gearbox. The other side was just moist where the "support" is fastened to the engine.

The two things I did see:

Firstly some bolts of the engine mounts were wet. Are these through holes?

Secondly some of the bolts on the vacuum pump was wet. Are these also through holes?

The oil filter housing seems dry, I will monitor it.

The normal oil seep from the intake manifold is there but very small.

Thanks for any advice.
Post #1047777 5th Oct 2024 4:33pm
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Fossil



Member Since: 23 Aug 2015
Location: Bolton
Posts: 16
United Kingdom 1997 Defender 110 300 Tdi CSW Coniston Green
I think the vacuum pump mounting bolts are through bolts(!) The pumps are notorious for leaking where they are riveted together, and it is possible to fix that by replacing with M5 bolts. The welch plug is also known to leak and I don't think you can do much about that.
Post #1051766 14th Nov 2024 7:13pm
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jfh



Member Since: 08 Jan 2014
Location: West Coast
Posts: 357
South Africa 2007 Defender 110 300 Tdi SW Chawton White
Thanks.

Pump is good, still monitoring the pump to block bolts.

Lift pump priming lever is part of the problem.
Post #1051767 14th Nov 2024 7:18pm
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