E36 328i - tensioner pulley for belts . . .

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news - 19 Jun 2007 22:12 GMT

Hi ,
i was thinking of changing my own engine belts.

I see the tensioner pulley and have the procedure from Bentley's

I was wondering if that pulley comes off or does it just loosen to remove
the belt ?

are the belts hard to put back on if that pulley gets removed ?kinda tight
in there.

looks like it will come off or loosen with a long ratchet wrench and a hex
bit.
the air condition belt looks easy from the bottom of the car.im more
worried about the engine belt.

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JB - 19 Jun 2007 22:26 GMT

> Hi ,
> i was thinking of changing my own engine belts.
[quoted text clipped - 3 lines]
> I was wondering if that pulley comes off or does it just loosen to remove
> the belt ?

The tensioners don't come off. You only rotate using a hex bit to relieve
tension.

> are the belts hard to put back on if that pulley gets removed ?kinda tight
> in there.
[quoted text clipped - 3 lines]
> the air condition belt looks easy from the bottom of the car.im more
> worried about the engine belt.

2 words: Digital & Camera. It's the only way you'll guarantee the correct
belt routing when you refit the new belts. Seriously though , it's pretty
straightforward on the M50/M52 engines..

Jb

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news - 20 Jun 2007 00:26 GMT

thanks i kinda got that down.
the bentley manual has the belt routing.
although in my 1999 edition of the Bentley E36 manual
i believe they have the drawings reversed between the 318 engine and
my M52 6 cyl .

> 2 words: Digital & Camera. It's the only way you'll guarantee the correct
> belt routing when you refit the new belts. Seriously though , it's pretty
> straightforward on the M50/M52 engines..
>
> Jb

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Jeff Strickland - 20 Jun 2007 00:31 GMT

> thanks i kinda got that down.
> the bentley manual has the belt routing.
> although in my 1999 edition of the Bentley E36 manual
> i believe they have the drawings reversed between the 318 engine and
> my M52 6 cyl .

As a rule of thumb, if the pulley is smooth then the outside of the belt
comes in contact, if the pulley is ribbed then the inside surface of the
belt goes there.

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Dave Plowman (News) - 19 Jun 2007 23:32 GMT

> i was thinking of changing my own engine belts.

> I see the tensioner pulley and have the procedure from Bentley's

> I was wondering if that pulley comes off or does it just loosen to
> remove the belt ?

Perhaps Bentley doesn't explain it but any jockey pulley pivots on some
form of arm or eccentric mechanism to tension the belt so it's just a
question of turning that arm in the opposite direction against spring
pressure.

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Dave Plowman dave@davenoise.co.uk London SW
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