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2006 XC90 leak from top/behind engine-smoke under hood

A mid-size luxury crossover SUV, the Volvo XC90 made its debut in 2002 at the Detroit Motor Show. Recognized for its safety, practicality, and comfort, the XC90 is a popular vehicle around the world. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America). P2 platform.
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flatlander84
Posts: 15
Joined: 21 February 2013
Year and Model: XC90 2006
Location: Marblehead

2006 XC90 leak from top/behind engine-smoke under hood

Post by flatlander84 »

Hi,

It just started to happen since I added some ATF to crankcase to clean some sludge out.
Or it could have been just coincidence but anyways, I noticed smoke coming from the hood, not very pleasant view from the driver seat it was, when test drove my car right after new exhaust valve control solenoid replaced.

I noticed, attached dark image taken at night, that oil would be leaking from back/top side of engine. Which I believe is valve cap cover.

I would like to either DIY to replace the seal or try STOP LEAK additive to cure it with hope it will do the job and not mess the engine. I read about 60% of people saying it works about 40% it won't and it will mess up engine more.

Please advise what to do. Most apparently I have no money to put on fixing at dealer.
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Untitled-1.jpg
Untitled-1.jpg (80.12 KiB) Viewed 922 times

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