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rlynch356

Member Since: 20 Jan 2021
Location: spec nc
Posts: 3

1995 Defender 90 V8 Petrol ST Alpine White

300Tdi - seems to be leaking from the distribution head

is it possible to change the seal without taking the pump out? trying to figure out my options.

It leaks a lot if I crank the engine for any amount of time (like say when its coldin the morning) but does not seem to leak when running.
it is leaking directly below the distribution head on to the oil filter.

20th Jan 2021 6:28am

Horneteer

Member Since: 10 Feb 2015
Location: Cornwall
Posts: 60

IIRC the oil pump is mounted on the crank at the front of the engine, so I see no reason why you couldn't take the oil filter housing off to change the gasket. Would be an idea to thoroughly degrease the area to check exactly where it's leaking first as there are quite a few oil connections in that area.

20th Jan 2021 12:04pm

Oldowner

Member Since: 26 Dec 2018
Location: South west
Posts: 620

2007 Defender 90 Puma 2.4 HT Aintree Green

It is far easier to remove the injector pump to replace the distribution head o ring - only takes ten minutes if you have the pulley retaining tool in the timing kit.

There was a revised injector pump rear mounting bracket which is well worth fitting if you do remove the pump - it positions the pump correctly ans prevents the timing case flexing when the injector pump is reinstalled and bolts torqued up.
What I would say is don’t fit the revised bracket without changing the oring as the bracket will hold the pump in the exact correct position it should be in, if it has been slightly out of position for the last twenty years then the slight change in position will then cause the old o ring to leak!

In the uk the timing pulley kit is £20-£30 and the revised bracket is usually around £10.

21st Jan 2021 4:32am

Horneteer

Member Since: 10 Feb 2015
Location: Cornwall
Posts: 60

Ah so we're taking fuel leak out of the injection pump rather than oil leak? My bad...oops.

21st Jan 2021 6:26pm

Blackhat90

Member Since: 31 Dec 2016
Location: Forfar
Posts: 86

Whats actually leaking ? oil /water or Diesel? the oil filter is no way near the front of the injection pump,,,

28th Jan 2021 12:17am

Moneypit

Member Since: 27 Feb 2018
Location: North Yorkshire
Posts: 271

Anyone know the part number for the revised pump mounting bracket ? Rebuilding a 90 & 110 300tdi at moment and would like to reduce every future problem

28th Jan 2021 9:08pm

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6605

2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

Insulting posts removed from the thread.

1988 90 Td5 NAS soft top

2015 D90 XS SW

28th Jan 2021 9:13pm

Will@LRW

Member Since: 04 May 2019
Location: UK
Posts: 178

1997 Defender 110 300 Tdi CSW Alpine White

Moneypit wrote:
Anyone know the part number for the revised pump mounting bracket ? Rebuilding a 90 & 110 300tdi at moment and would like to reduce every future problem

Here you go: https://www.lrworkshop.com/parts/ERR6835 LR Workshop
Find a Defender's history and spec: https://defender.lrworkshop.com

28th Jan 2021 9:30pm

Moneypit

Member Since: 27 Feb 2018
Location: North Yorkshire
Posts: 271

Thanks for that, your a gent

28th Jan 2021 10:16pm

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