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DISCO3.CO.UK > Technical (D3)

oil leak

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dazzaessexuk

Member Since: 13 Aug 2024
Location: essex
Posts: 6

oil leak

hi all just bought a 2008 disco 3 after 2 miles of owning it its thrown nearly every drop of oil min it on the road its coming from behind the timing cover left of crank pulley viewed from front of car how big a job is the oil pump change as im asssuming its the oil pump cracked

13th Aug 2024 6:55 pm

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10731

2005 Discovery 3 TDV6 HSE Auto Rimini Red

Could be the front crank seal. Presses into oil pump.

Not a small job

Get a genuine seal. And read procedure carefully on here

13th Aug 2024 8:14 pm

dazzaessexuk

Member Since: 13 Aug 2024
Location: essex
Posts: 6

lets hope so buddy

13th Aug 2024 8:47 pm

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10731

https://www.disco3.co.uk/forum/oil-pump-replacement-164698.html

13th Aug 2024 9:05 pm

dazzaessexuk

Member Since: 13 Aug 2024
Location: essex
Posts: 6

re oil leak

so took the front cover off the serpentine belt is shreded on fronty edge so have to check why any ways up the oil is running off bottom of crank pulley when running nothing coming out above that so looks like crank seal oil pump looks quite nnew to be honest and is a fomoco one is that the correct updated pump guys , next question do i need to lock the crank to change oil seal

14th Aug 2024 3:11 pm

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10731

Aux belt tensioners do fail. or check the PAS pump is alligned ok.
or do you mean cambelt has an issue?

It's common for seals to fail shortly after an oil pump change. So this is a lesson to yourself. Do your homework on how to fit this seal, otherwise you will be doing it again!
I think the thread tell you how, that I linked above. A long read i know.
Helps if you have a tool.

Yes you will have to lock the crank to remove the crank pulley.
Change seal.
Refit pulley.
Refit belts.
Wait 5 hours before starting the engine for the seal to settle.

Good and bad pumps are both marked FoMoCo

14th Aug 2024 3:21 pm

dazzaessexuk

Member Since: 13 Aug 2024
Location: essex
Posts: 6

hi and thank you i did not fit the pump only owned the car for 4 miles then massive oil leak i suspect the last owner knew something was wrong or one before last as he only registered it on 4th august 24 ( b

d said he had been all over country in it no problems over last few years )
any ways up will have to try and get to starter and do it its the bad side as car is against the fence on that side . anyway at least thats cleared up why there was very little oil in it when i got it delivered .

14th Aug 2024 3:29 pm

dazzaessexuk

Member Since: 13 Aug 2024
Location: essex
Posts: 6

Pete K wrote:
Aux belt tensioners do fail. or check the PAS pump is alligned ok.
or do you mean cambelt has an issue?

It's common for seals to fail shortly after an oil pump change. So this is a lesson to yourself. Do your homework on how to fit this seal, otherwise you will be doing it again!
I think the thread tell you how, that I linked above. A long read i know.
Helps if you have a tool.

Yes you will have to lock the crank to remove the crank pulley.
Change seal.
Refit pulley.
Refit belts.
Wait 5 hours before starting the engine for the seal to settle.

the auxillary belt tensioner at bottom was jumping about all over the place at 1500 rpm

Good and bad pumps are both marked FoMoCo

14th Aug 2024 3:37 pm

loanrangie

Member Since: 18 Jun 2017
Location: Melbourne
Posts: 705

2008 Discovery 3 TDV6 SE Auto Stornoway Grey

You need to lock the crank to stop rotation while undoing the effing tight crank bolt, can be done by locking the balancer instead of the flywheel/flexplate but you risk throwing the timing out.
I did a friends oil pump and belt replacement last year and we found the timing out by 1 belt tooth and this was enough to cause low power.

16th Aug 2024 1:10 am

dazzaessexuk

Member Since: 13 Aug 2024
Location: essex
Posts: 6

so i been out there having a go managed to get front stripped down and alternator and its mounting out wheel arch liner and heat sheilds removed lol i can not even see the starter motor due to massive amount of oil sprayed everywhere , how many bolts hold starter in place does anyone kindly have a picture or diagram thanks in advance

18th Aug 2024 6:32 pm

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10731

Starters done from under car.

Remove 1 10mm bolt on heat exchanger and swing it out the way.
Disconnect battery
Disconnect starter cables

Remove small bolts in the support bracket in the starter. Careful they can break

Remove 2 13mm bolts on the bell housing (between engine and gearbox) to release starter.

Then there is an art to get starter out. But you could leave it in there if

Been covered many times on here , so try a search

18th Aug 2024 8:04 pm

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