Oil on intercooler pipe

v_forty · Feb 24th, 2024, 18:11

Did an oil change today on my XC90 and with the engine tray off spotted a little bit of oil misting on the intercooler pipe - the one that wraps under the engine, where I think it connects with the resonator hose.

Definitely limited to this hose, and a little wet - couldn't see any other oil anywhere underneath so it must be this.

Is it worth replacing? A quick photo after I had wiped it down to show the exact joint/seal where it appears to be leaking:

https://ibb.co/gVsZmgJ

Car is a 2009 D5, auto box with 145k miles.

GrahamBrown1 · Feb 24th, 2024, 19:43

I personally wouldn’t be to concerned unless it was leaking so much it was causing a lack of boost ect. They all sweat a bit and oil on the pipes is normal. I’d just clean it off like you have done and see what it’s like next oil change. You can get just the seals if you want to sort it 100%

Feb 24th, 2024, 18:11	#1
v_forty Senior Member Last Online: Apr 21st, 2024 12:35 Join Date: Oct 2010 Location: Cambridgeshire	Oil on intercooler pipe Did an oil change today on my XC90 and with the engine tray off spotted a little bit of oil misting on the intercooler pipe - the one that wraps under the engine, where I think it connects with the resonator hose. Definitely limited to this hose, and a little wet - couldn't see any other oil anywhere underneath so it must be this. Is it worth replacing? A quick photo after I had wiped it down to show the exact joint/seal where it appears to be leaking: https://ibb.co/gVsZmgJ Car is a 2009 D5, auto box with 145k miles. Last edited by v_forty; Feb 24th, 2024 at 18:46.

Feb 24th, 2024, 19:43	#2
GrahamBrown1 VOC Member Last Online: Today 07:52 Join Date: Feb 2013 Location: North Yorkshire	I personally wouldn’t be to concerned unless it was leaking so much it was causing a lack of boost ect. They all sweat a bit and oil on the pipes is normal. I’d just clean it off like you have done and see what it’s like next oil change. You can get just the seals if you want to sort it 100% __________________ Previous -03 S40, 04 V70 D5, 04 V70 D5 Sport, 05 V50, 07 S60 D5, 09 V70 D5 R design, 12 XC60 DrivE, 15 V60 D3 Current- 05 XC90 D5 Exec, 12 XC70 D4 AWD Se Lux, 14 S80 D3 Se Lux

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