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90roy

Member Since: 21 Jun 2016
Location: Middlesbrough
Posts: 130

Hi,
Would the inlet/exhaust manifold gasket cure an oil leak? I have read that an oil leak from the right side of the engine as viewed from the front may be a manifold gasket but I dont see how this can be as it doesn't seal any oil ways.

I have a leak from towards the top of the engine, which is dripping down the side so need to get it sorted. 300tdi 90 1996.

10th Dec 2019 9:26pm

Retroanaconda

Member Since: 04 Jan 2012
Location: Scotland
Posts: 2672

The inlet tract is coated with oil in normal use and this is forced out of a blown gasket under the charge pressure.

10th Dec 2019 10:15pm

90roy

Member Since: 21 Jun 2016
Location: Middlesbrough
Posts: 130

Thanks,
Is it enough to be an obvious leak, enough to drip down onto the exhaust etc...? 300tdi 90 1996.

11th Dec 2019 10:00am

oneten110

Member Since: 02 Jul 2011
Location: Wish I was still in France
Posts: 741

Very much so, the 300 tdi manifold gasket is a very well known weak point, as is the "P" gasket.
The oil leak at the back end of the engine, if not from the clutch housing, could well be the "T" seals on the rear main bearing cap. Another very well known weak point, they can be changed without removing the engine.
The intercooler should be flushed every 50,000 miles to clean out all the oil which gets in there. It is in the Land Rover service schedule. It is not a Defender, it is a One_Ten

15th Dec 2019 2:59pm

90roy

Member Since: 21 Jun 2016
Location: Middlesbrough
Posts: 130

Thanks,
Gasket ordered and I have watched a few YouTube tutorials on how to replace it. Look reasonably straightforward.

Roy 300tdi 90 1996.

15th Dec 2019 6:13pm

Mo Murphy

Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2264

1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey

A straightforward enough job Roy, order some new nuts too.
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey

15th Dec 2019 8:22pm

90roy

Member Since: 21 Jun 2016
Location: Middlesbrough
Posts: 130

OK, job done and leak cured. Thanks chaps.

Roy 300tdi 90 1996.

1st Jan 2020 4:09pm

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