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Thread: weird metal tap when cold, 5w 30 oil??

  
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    Markt82's Avatar
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    weird metal tap when cold, 5w 30 oil??

    Hi guys getting a wierd tap from my zafira, like a metal tap only when cold, after a few mins it disappears, seems to come from around the water pump area, just changed the water pump, timing belt and tensioner and no difference.

    However i have just had piston rings,etc done and its had 5w 30 gm oil put in but i was just wondering is this to thin an oil for this engine could it be the cause of my problem?? as it happened about 2weeks after the engine work/oil change

    mark

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    10w/40 is correct spec, unsure if it would cause the tapping though, depends entirely what the noise is.

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    Quote Originally Posted by nry View Post
    10w/40 is correct spec, unsure if it would cause the tapping though, depends entirely what the noise is.
    Ive got no idea mate, its really starting to get annoying, they suspected the same as me at the garage either water pump or tensioner but changed them with no change, i highly doubt its one of the idler pulleys as its a funny metal tap/click

    mark

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