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oil mist on tailgate

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Clemens
Posts: 1932
Joined: 3 September 2015
Year and Model: 96 855 R + 94 855 T5
Location: Austria
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oil mist on tailgate

Post by Clemens »

My 94 T5 has oil mist on the tailgatr and bumper after 2 drives of 1 hour spirited freeway driving.

My Turbo is 2 years old, but since I couldn't get a good ised turbo here i bought a taiwanese housing anf had a turbonshop with good reputation rebuild it for me.

The T5 sounds very throaty and I have a weird turbo lag at around 3500 rpm.

Are we guessing it is the Turbo or are the rings shot?
Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V

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Sveedy
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Year and Model: 96 850 Turbo
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Post by Sveedy »

Seems like if it's blowing out of your tailpipe, then either turbo, valves, or rings. But if you're having other issues with the turbo, then I'd lean that way. Compression test would tell you more.
Try to learn life's bad lessons vicariously through others.


1996 850 Turbo GLH ( Goes Like Hell )
1999 V70 GLT

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Clemens
Posts: 1932
Joined: 3 September 2015
Year and Model: 96 855 R + 94 855 T5
Location: Austria
Has thanked: 473 times
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Post by Clemens »

valve stem seals are probably not a problem, it doesn't have this "cloud of smoke after idling for a bit" issue.
Since the oil spray is quite noticeable, I tend (and hope) to believe it's the turbo, because if rings were as worn that they'd let by so much oil you can see it, it would most probly feel low on power. I will inspect the play of the rurbine tomorrow and see if it feels still good.
Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V

hausmeister
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Post by hausmeister »

You can buy rebuilt turbo cores from Melett on ebay. Don't have first hand experience, but I'd assume these are reliable.

Though I wonder, if it was rebuilt by a competent shop I should not have failed. Let us know how the play is, and check how much oil is in the intake.
850 T5-R '95 auto Image

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