Knock on top end of engine - Alfa Romeo Forum
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Knock on top end of engine

Hiya all,

Not sure if it the top end of the engine or might be the bottom end small bearings. It is knocking at about 1500 rpm and then goes away above or below that rev range. I couldn't check the oil as it was dark but it has Mobil One 10W40 in it. The head gasket was done recently and the camshaft seal had to be done again after that as it leaked would that have caused the cam to be starved of oil? The car seems to pull fine and sound perfect too. Other than that noise at 1500 rpm.

Hopefully it just needs oil or something.

What do ye all think?

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Join Date: Jan 2007
Posts: 31
Re: Knock on top end of engine

Sounds like your variator is on it's way out. If it was a lubrication or bearing, the noise usually gets louder at high speeds or when the engine is under load.
ekwan is offline  
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Re: Knock on top end of engine

Just had a listen again to it and sounds like as if the varivator is on the way out all right but I only got it replaced 8k miles ago so the dealer will be paying for it this time.

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end , engine , knock , top

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