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[2001 V70 2.4T] Oil leak, intake side, lower engine / oil pan

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
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prwood
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Re: [2001 V70 2.4T] Oil leak, intake side, lower engine / oil pan

Post by prwood »

This is the best view I could get without taking anything apart. Using my iPhone in video mode with LED illumination, holding my hand in the vicinity of the intercooler-to-throttle tube and starter. You can sort of partially see the metallic sleeve around the lower hose from the breather box to the block, but the starter is blocking most of that view.

It seems like everything is oily, so I'm not sure if this is helpful in pinpointing anything.
View from side
View from side
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Post by abscate »

Really oily up top but not enough for flow.

Crack in th ebottom of the box, maybe?
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Post by dj_v70 »

Inconclusive. Recommend using engine cleaner to clean and then try again. You can get a $20 usb borescope and get a better look at all angles.

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Post by abscate »

Really wet on that knock sensor....
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Post by prwood »

I just ordered a borescope, so I should be able to take a look this weekend without tearing things apart.
Cars I've owned:
- 2015 to current: 2001 Volvo V70 2.4T; 2004 Honda Odyssey
- 2007 to 2015: 2002 Subaru Legacy L Wagon
- 2003 to 2016: 2001 Toyota Corolla LE
- 1999 to 2003: 1994 Toyota Camry LE

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Post by chrism »

prwood wrote: Thu Sep 13, 2018 6:12 am I just ordered a borescope, so I should be able to take a look this weekend without tearing things apart.
Did you order the type that connects to your cell phone? I'd be interested in knowing how well those work.

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Post by prwood »

chrism wrote: Thu Sep 13, 2018 2:01 pm
prwood wrote: Thu Sep 13, 2018 6:12 am I just ordered a borescope, so I should be able to take a look this weekend without tearing things apart.
Did you order the type that connects to your cell phone? I'd be interested in knowing how well those work.
I did. From what I gather, the hardware on these is okay, but the viewer apps are junk, but if you set everything up in the right order it's supposed to work ok.
Cars I've owned:
- 2015 to current: 2001 Volvo V70 2.4T; 2004 Honda Odyssey
- 2007 to 2015: 2002 Subaru Legacy L Wagon
- 2003 to 2016: 2001 Toyota Corolla LE
- 1999 to 2003: 1994 Toyota Camry LE

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prwood
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Post by prwood »

Okay. The endoscope wasn’t super helpful. I tried getting photos with both my phone and the endoscope after cleaning things up under the intake manifold. Frankly, the endoscope pictures aren’t worth posting. Anyway, here’s a phone photo from before the cleanup and then one from after cleanup and driving around for a while.
Before cleanup
Before cleanup
F2A682E9-A8EB-4F02-9533-ACAF73D1563A.jpeg (289.16 KiB) Viewed 575 times
After cleanup and driving.
After cleanup and driving.
01E01733-90CD-4814-BC53-BB2FB1712BEA.jpeg (161.13 KiB) Viewed 575 times
It looks to me like the leak is coming from the top connection between the engine block and the breather box. You can see what looks like fresh oil underneath the hose.
Cars I've owned:
- 2015 to current: 2001 Volvo V70 2.4T; 2004 Honda Odyssey
- 2007 to 2015: 2002 Subaru Legacy L Wagon
- 2003 to 2016: 2001 Toyota Corolla LE
- 1999 to 2003: 1994 Toyota Camry LE

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Post by Rattnalle »

It looks to me like that hose clamp light be sitting too far out from the engine to seal the connection properly.

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Post by abscate »

Definitely a leak there ( maybe clamp has cut hose?) but there is oilabove that too, maybe more than one leak?
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