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Thread: Engine Oil Sludge

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    Default Engine Oil Sludge

    Hi All, question on my vectra V6 engine, I topped up the oil today and noticed at the top of the inlet where you pour the oil, a brownish/yellowish sludge, is this the result of my coming up to a service soon, do I need to flush the motor? or is is a symptom of something more serious?

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    Regular Member j13hdb's Avatar
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    Unfortunately it's the hand of God! As you might have noticed the filler sticks up and when cold air hits it it causes your custard. Take the neck off and try again-will be ok. For confirmation seek GSI3.2 who will confirm!

    You can now treat SHMBO to a meal out- go on off you go!!! :-)

    Just seen you're in Aus- it's still cooler air but you must be rushing! Take that filler neck off and see then let me know!!

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    Regular Member BIG NEIL's Avatar
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    whats the coolent water colour like is it the same

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    Regular Member Gsi3.2's Avatar
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    Quote Originally Posted by j13hdb View Post
    Unfortunately it's the hand of God! As you might have noticed the filler sticks up and when cold air hits it it causes your custard. Take the neck off and try again-will be ok. For confirmation seek GSI3.2 who will confirm!

    You can now treat SHMBO to a meal out- go on off you go!!! :-)

    Just seen you're in Aus- it's still cooler air but you must be rushing! Take that filler neck off and see then let me know!!
    Hugh's right.. classic design fault and normally totally innocent..

    the filler neck protrudes into the cold airstream coming over the rads, so it cools the oil vapour in the fillerneck, making the sludge..the neck twists off and the cap fits onto the camcovers..Unless you have contaminated coolant ( unlikely ) then that will cure it 100%

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    Thanks for the reply gents, helpful as always.

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