V6 timing belt procedure ? - Alfa Romeo Forum
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(Post Link) post #1 of 5 Old 07-09-07 Thread Starter
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V6 timing belt procedure ?

Hi all,

Reading the procedure for changing the belt on the v6, I've come across a part where you're told to remove the cam pulleys then reposition them and tighten the screws by hand.

Next the new belt is fitted before re-tightening the pulley bolts back up.

This is where I'm confused. I can't see why you would need to loosen/re-position/re-tighten the cam pulleys for replacing the belt?

Any one know, or has anyone replaced the belt and not done this??

Regards
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Re: V6 timing belt procedure ?

Read it again shoggy.....You loosen the pulley on the shaft they are floating in the shaft and a tighten to fit.The are not on a keyed shaft hence you slacken them so that they all "float" while you set thetension on the belt.at tdc with the camblocks.
Once the tension is set you tighten the bolt to lock the sproket onto the shaft and hey presto engine is timed.

Pomeo
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Re: V6 timing belt procedure ?

yes, but dont forget to turn it over twice at the crank and ensure the tensioner marks are aligned. otherwise your tensioner adjuster will rattle its nuts off against its stop and your engine will sound sh1te.

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Re: V6 timing belt procedure ?

Quote:
Originally Posted by Pomeo View Post
Read it again shoggy.....You loosen the pulley on the shaft they are floating in the shaft and a tighten to fit.The are not on a keyed shaft hence you slacken them so that they all "float" while you set thetension on the belt.at tdc with the camblocks.
Once the tension is set you tighten the bolt to lock the sproket onto the shaft and hey presto engine is timed.

Pomeo
Cheers Pomeo/et all,

All is now clear, I did not realise the cam shaft was not keyed.

Thanks again.
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Re: V6 timing belt procedure ?

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Originally Posted by Shoggyraminator View Post
Cheers Pomeo/et all,

All is now clear, I did not realise the cam shaft was not keyed.

Thanks again.
Neither did I.It took me a few reads to eventually make sense of it.
Good luck with it....I never really saw the need to turn the engine twice by hand but it is obviously done for a reason.

Thanks Gtvlord.
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