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excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5850

1999 Defender 110 Td5 SW Caledonian Blue

Oil on turbo to intercooler pipe

While under the bonnet of the 110 earlier today, I spotted oil on the putside of the turbo to intercooler pipe. This was cleaned the other week when I removed the pipes, but oil has returned.
The oil return hose from the turbo is clean.

Not sure were the oil has come from. More investigation required when the rain has gone and darkness is not here! 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

30th Oct 2023 5:54pm

barbel jim

Member Since: 12 Dec 2012
Location: Northants
Posts: 1423

Probably be from the crank case breather.

30th Oct 2023 8:37pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5850

Cheers. I guess it could be from the PCV valve. I will break out the cleaning spray and a cloth and see what I can find. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

30th Oct 2023 8:42pm

barbel jim

Member Since: 12 Dec 2012
Location: Northants
Posts: 1423

I think they’re service items….
When my pcv was blocked, I also had oil on top of the rocker box

30th Oct 2023 8:55pm

NickMc

Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1628

Loose oil filter makes a mess and happens too.

30th Oct 2023 9:06pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5850

Pretty sure thats OK, but I will check 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

30th Oct 2023 9:07pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5850

Oil filter is nice and snug with no excess oil on the filter. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

31st Oct 2023 8:14am

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

Re: Oil on turbo to intercooler pipe

excossack wrote:
While under the bonnet of the 110 earlier today, I spotted oil on the putside of the turbo to intercooler pipe. This was cleaned the other week when I removed the pipes, but oil has returned.
The oil return hose from the turbo is clean.

Not sure were the oil has come from. More investigation required when the rain has gone and darkness is not here!

Was the oil a slick or just a residue on the silicone hose?

Eventually the silicone hose can become porous and ooze oil under pressure. This happened to Miffys previous set of silicone hoses. c. 10 years old.

1st Nov 2023 12:09pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5850

Hi Guy, More of a light misting really and they are a few years old. I wonder if it is as simple? 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

1st Nov 2023 12:10pm

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

It could be. I had a chat with Garry at Alive about it and he told me that when it happens you get a light covering of oil, sometimes a defined droplet or two. It does not drastically affect performance, just makes things greasy. I swapped out the hoses, problem cured.

1st Nov 2023 12:25pm

barbel jim

Member Since: 12 Dec 2012
Location: Northants
Posts: 1423

My PCV caused a misting, and a small pool on top of the rocker were the breather connects. My hoses were only 12 months old so made it easy. Plus a pcv is only a few ££

1st Nov 2023 1:31pm

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