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Knock when braking

falcodore

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Dec 5, 2011
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Melbourne
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1998 Holden Calais
Yep, froth on the radiator cap is a sign of a leaking inlet manifold. Does the coolant look like there's oil in there too?

A leak behind the tensioner could possibly be just rocker cover gaskets. They're a cheap and easy fox. A photo would help.
 

Toys R Us

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Jun 29, 2020
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Earth
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VX Comm. 3.8L
Yep, froth on the radiator cap is a sign of a leaking inlet manifold. Does the coolant look like there's oil in there too?

A leak behind the tensioner could possibly be just rocker cover gaskets. They're a cheap and easy fox. A photo would help.

Feeling better today must be just a head cold,
Your right! Looks like its that cover the nuts were loose so I gave them a tighten today see how that goes.

So whats involved with this inlet manifold? Is it a easy job I have a few tools, do I need any special tools?

Car runs fine just for those things, I looked inside the oil cap no water in there..

Still haven't solved the noise under braking, I think I leave that to a mechanic.

Thanks again Pete.
 

Toys R Us

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Update, oil leak has stopped, decided to change water and put in stop leak till I get a roadworthy. Thank's to all who helped.
 
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