Cambelt Woes

johnnywiggla · Aug 18, 2013

Hi All

I've just had my cambelt replaced on my 1997 300TDi by a local garage and since that, the engine seems to hunt slightly at idle, slight lack of power from before and smoke on accel. Today, it seems (prob in my head !) to be making a tappet type noise too. None of these problems were apparent before, any ideas what it might be. Belt a tooth out ? Fuel pump timing, does that get touched when changing a cambelt ?

Thanks

Garybaker · Aug 18, 2013

Think you've answered you're own question.

Didn't do it before belt change. Symptoms sound like timing is out, but only slightly.

Take it back and get them to sort it I'd say.

Kwakerman · Aug 18, 2013

The tapping noise may be because the cam timing is out and the valves are touching the pistons. If you have to drive it back to the garage keep the revs down.

johnnywiggla · Aug 19, 2013

Thanks for your help.
Does the pump timing get changed/affected when changing the cambelt ?

The Mad Hat Man · Aug 19, 2013

It can do, if you don't follow the procedure properly.

snowman01 · Aug 28, 2013

Hi,
There is slight adjustment at the fuel pump sprocket, it does not have to be out a whole tooth. It is tricky to get exactly right if you do not have the proper alignment tools. Take it back and explain the issue. The knocking may be fuel ignition not mechanical, don't worry too much about the valves, it need not have affected the valve timing.

Cambelt Woes

johnnywiggla

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Garybaker

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Kwakerman

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johnnywiggla

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The Mad Hat Man

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snowman01

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