24v timing belt replacement

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Chris-p
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24v timing belt replacement

Post by Chris-p » Thu Aug 05, 2021 8:05 am

Hi guys, any tips or pointers? I noticed the pics have gone off the oracle thread showing the steps involved

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Re: 24v timing belt replacement

Post by jrh » Thu Aug 05, 2021 9:30 am

The REAL risk here is trying to undo the crankshaft nut without the proper item to stop the shaft turning.
Ok, you get away with that by putting the car 'in gear' without breaking anything , another lucky day.
The rest is just being very careful to do everything properly.
Just don't break the 6mm bolts off holding the belt tensioner in place.
Make sure all the pointers line up when the new belt is on and the crankshaft with No 1 on TDC position.

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Re: 24v timing belt replacement

Post by Kit » Thu Aug 05, 2021 2:56 pm

Use the starter motor & breaker bar to ‘crack’ the crankshaft bolt, or a heavy duty ‘nut runner’

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Re: 24v timing belt replacement

Post by jrh » Thu Aug 05, 2021 4:41 pm

The proper 'item' would be an ideal piece of kit for the club to own and hire out as necessary.
I made one but gave it to the next owner of M515 CEW , for free , idiot that I am.

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Re: 24v timing belt replacement

Post by Micron » Fri Aug 06, 2021 8:39 am

jrh wrote:
Thu Aug 05, 2021 4:41 pm
The proper 'item' would be an ideal piece of kit for the club to own and hire out as necessary.
I made one but gave it to the next owner of M515 CEW , for free , idiot that I am.
Hi John, do you have details, can I get one made?
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Re: 24v timing belt replacement

Post by jrh » Fri Aug 06, 2021 11:20 am

Wow , I've managed to send you an email attachment Trevor !
A piece of 6mm thick by 60mm wide by 200mm long flat bar.
Drill big hole FIRST with a holesaw , big enough for your socket to fall through.
THEN drill the two 8.5mm holes at the same centres as the 8mm tapped holes in the crankshaft pulley.
Slot them to the centre with a hacksaw.
WELD a strong piece of tube towards the end of the flat bar. This is going to stop the crank pulley from turning by hitting the chassis !
NOW you need two 8mm bolts with spacers or loads of washers to bolt this device to the crankshaft pulley in a really solid way.
Job done.
No strain on anything now except the nut when you und0 it.

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Re: 24v timing belt replacement

Post by Micron » Fri Aug 06, 2021 12:03 pm

jrh wrote:
Fri Aug 06, 2021 11:20 am
Wow , I've managed to send you an email attachment Trevor !
A piece of 6mm thick by 60mm wide by 200mm long flat bar.
Drill big hole FIRST with a holesaw , big enough for your socket to fall through.
THEN drill the two 8.5mm holes at the same centres as the 8mm tapped holes in the crankshaft pulley.
Slot them to the centre with a hacksaw.
WELD a strong piece of tube towards the end of the flat bar. This is going to stop the crank pulley from turning by hitting the chassis !
NOW you need two 8mm bolts with spacers or loads of washers to bolt this device to the crankshaft pulley in a really solid way.
Job done.
No strain on anything now except the nut when you und0 it.
I got the email John, do you have any pictures of it in situ?
Admin and Owner of this fine club 😎

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Re: 24v timing belt replacement

Post by Kit » Fri Aug 06, 2021 12:25 pm

Will it fit a 16v as well :?: :?:

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Re: 24v timing belt replacement

Post by jrh » Fri Aug 06, 2021 2:04 pm

No , but it is explained in the Ford Workshop manual .
Essentially , it is using the two 8mm bolts to restrain the pulley from turning when you undo the crankshaft nut.
Ideally, the 'gap ' between the plate and the pulley should be filled with two, single spacers , so that when you do the 8mm bolts up tight the 'bar' is level with the face of the pulley.
Alternatively, stacks of 8mm washers will do !
The 'bar' should not be bent into the pulley cavity.

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Re: 24v timing belt replacement

Post by jrh » Fri Aug 06, 2021 2:13 pm

Duncan, I've sent pictures to you too, I would say it will be universal for the 16v pulley.

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