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10 valve motor,1994 850 850

posted by  predpath on  Tue Aug 19 09:06 CST 2003
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last visit: Tue Mar 25 17:55 CST 2014
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My 10valve 94 850 has developed excessive blow by.Apparently this motor was not a great motor for volvo.This car has 261,000kms.Any advise would be helpful.How easy would a20 valve swap be?








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    10 valve motor,1994 850 850

    posted by  predpath on  Wed Sep 10 12:15 CST 2003
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    last visit: Tue Mar 25 17:55 CST 2014
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    Thanks for your reply, i have a friend who recommended the oil solution that you gave. Blow by is exhaust or smoke which comes out of the fire trap or crank case vents, i have been told to replace the oil seperator which is located under the intake manifold but i am not sure wheter this is legit or not. Thanks again for your response, it makes me feel better someone else is having success with that motor.








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    10 valve motor,1994 850 850

    posted by  TheBrute on  Mon Sep 1 16:32 CST 2003
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    last visit: Sat Jul 26 08:05 CST 2014
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    Hi,

    I got a 10 valves 850 94 with 255000km on it. Nice engine. Only problem I got are:
    -Valve clicking on cold start (hydraulic lifters, it can take up to 5-7min - worst case - to ajust themselves and sound stop) Not only related to 10 valves negines, any volvo with hydraulic lifters are subject to this ajustment lag.
    -Got Valve seal leaking a little bit (burning oil) but solve this issue by putting 15-50w oil in summer and 10-30w in winter. It really help oil consumption.

    Don't have any other problem. Maybe you can define me what you mean by "blow by" ... I dont really understand the meaning.

    Bruno







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