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T-5 Oil Leak from Back of Engine, Smoke Rising

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

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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jnitschke123
Posts: 20
Joined: Thu Apr 16, 2015 9:36 pm
Year and Model: 2006 V50 T5 AWD
Location: Vancouver, BC

T-5 Oil Leak from Back of Engine, Smoke Rising

Post by jnitschke123 »

Hi all,

My '97 850 T-5 Wagon has an oil leak from the rear right side of the engine.

Once the car reaches normal operating temperature, a thin plume of smoke is visible from that area, and it has a burning oil smell to it. I believe that oil is reaching the exhaust manifold or the hot side of the turbo.

Any ideas of where I should start looking for the leak?

Cheers,
Joey
Current:
2006 V50 T5 AWD 6 speed - 240k Kilometers

Gone:
1995 850 GLE Wagon, 10 valve - 190k kilometers
1997 850 T-5 Wagon, ex-US car - 225k miles
1998 V70 SE Wagon - 300k kilometers
splattj
Posts: 14
Joined: Tue Jul 05, 2016 9:18 am
Year and Model: 1999 V70 XC
Location: Allendale, MI

Re: T-5 Oil Leak from Back of Engine, Smoke Rising

Post by splattj »

Mine is doing the same thing. O-Ring for the turbo oil drain/return pipe is leaking on mine. Not looking forward to it since I'm AWD.
User avatar
jnitschke123
Posts: 20
Joined: Thu Apr 16, 2015 9:36 pm
Year and Model: 2006 V50 T5 AWD
Location: Vancouver, BC

Re: T-5 Oil Leak from Back of Engine, Smoke Rising

Post by jnitschke123 »

Eeeks. Hopefully it isn't that bad of a job for you. So you have the smoke rising from that area too, eh?

Good luck!
Joey
Current:
2006 V50 T5 AWD 6 speed - 240k Kilometers

Gone:
1995 850 GLE Wagon, 10 valve - 190k kilometers
1997 850 T-5 Wagon, ex-US car - 225k miles
1998 V70 SE Wagon - 300k kilometers
splattj
Posts: 14
Joined: Tue Jul 05, 2016 9:18 am
Year and Model: 1999 V70 XC
Location: Allendale, MI

Re: T-5 Oil Leak from Back of Engine, Smoke Rising

Post by splattj »

Yeah, I have oil burning off the downpipe after the car gets hot. Dripping down the back of the block and off the oil pan too. Cleaned it all real well with Brakleen and the return line got wet again just idling. I think it sprays a little with crankcase pressure and hits the exhaust when driving.
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cmblackburn
Posts: 249
Joined: Sat Apr 07, 2012 4:23 am
Year and Model: 1998 S70 T5
Location: Durham, North Carolina
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Re: T-5 Oil Leak from Back of Engine, Smoke Rising

Post by cmblackburn »

Turbo oil drain, rear driver's side cam seal are the first suspects in my head. Also make sure your oil cap gasket is pliable, oil can be pushed out of the top of the engine and drip down off the back of the head.
1998 S70 T5"M", 273k "The Blue Turd"
2004 S40 2.4i, 164k "Cosmo"
2011 VW Jetta SportWagen TDI 6MT, 65k "Zoe"
User avatar
jnitschke123
Posts: 20
Joined: Thu Apr 16, 2015 9:36 pm
Year and Model: 2006 V50 T5 AWD
Location: Vancouver, BC

Re: T-5 Oil Leak from Back of Engine, Smoke Rising

Post by jnitschke123 »

Just replaced the turbo drain tube seals and the job went well. However, The oil leak remains.

While looking under the car, I noticed that the cooling tube that goes along the backside of the engine is dripping wet with oil. I believe that the oil leak is higher up on the back of the engine.
Current:
2006 V50 T5 AWD 6 speed - 240k Kilometers

Gone:
1995 850 GLE Wagon, 10 valve - 190k kilometers
1997 850 T-5 Wagon, ex-US car - 225k miles
1998 V70 SE Wagon - 300k kilometers
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rspi
Posts: 7278
Joined: Sat Nov 05, 2011 10:40 am
Year and Model: 850 T-5R Wagon
Location: Albuquerque, NM
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Re: T-5 Oil Leak from Back of Engine, Smoke Rising

Post by rspi »

Has the head been rebuilt lately? Have you pulled the spark plug cover to see how much oil is on top of the head?
'95 855 T-5R M, Panther - 22/28 mpg
'98 S70 GLT, Lil' Red 25/32 mpg
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