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Timing belt locking tool

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Old Aug 3, 2018 | 02:03 PM
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Default Timing belt locking tool

hi all

my garage says there is a locking tool for changing the timing belt on my cossie and they’ve thrown theirs away years ago!

anyone know where to get one?

thanks
russ
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Old Aug 3, 2018 | 02:48 PM
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There is no locking tool for an yb engine, only thing who is recomended is to use tension tool https://www.google.no/search?q=coswo...=1533307622898
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Old Aug 3, 2018 | 07:14 PM
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You just line all the marks up
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Old Aug 4, 2018 | 01:26 PM
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No tool is needed (it's not free floating) unlike modern stuff!

The hardest bit is the said tension, it should be possible to twist the belt through 90 degrees WITH the engine at running temperature.

Martin
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Old Aug 4, 2018 | 02:54 PM
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Originally Posted by Russ6334
hi all

my garage says there is a locking tool for changing the timing belt on my cossie and they’ve thrown theirs away years ago!

anyone know where to get one?

thanks
russ
I would consider using another garage
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Old Aug 4, 2018 | 05:10 PM
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Originally Posted by martysmartie
No tool is needed (it's not free floating) unlike modern stuff!

The hardest bit is the said tension, it should be possible to twist the belt through 90 degrees WITH the engine at running temperature.

Martin
No that it too loose.

Mark
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Old Aug 6, 2018 | 09:32 PM
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Originally Posted by martysmartie
No tool is needed (it's not free floating) unlike modern stuff!

The hardest bit is the said tension, it should be possible to twist the belt through 90 degrees WITH the engine at running temperature.

Martin
I will pull up a chair to watch you try and twist a belt while the engine is running lol
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Old Aug 6, 2018 | 10:25 PM
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Originally Posted by Mark Shead


No that it too loose.

Mark
I have always used the rule of the thumb, what is your advice?

Originally Posted by mechanic28
I will pull up a chair to watch you try and twist a belt while the engine is running lol
If you read my post, I stated whilst at running temperature

Martin
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Old Aug 7, 2018 | 05:57 AM
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Originally Posted by Turbosystems
I would consider using another garage
how is there not a tool? What stops your cams moving under valve pressure when you cut the belt then???
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Old Aug 7, 2018 | 07:33 AM
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Originally Posted by martysmartie
I have always used the rule of the thumb, what is your advice?



If you read my post, I stated whilst at running temperature

Martin
use a tensioning tool that is the only way to do a yb cambelt.

Mark
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Old Aug 7, 2018 | 07:36 AM
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Originally Posted by Mark Shead


use a tensioning tool that is the only way to do a yb cambelt.

Mark
i must be getting confused then cause I can’t work that out??? If I put to TDC two pistons are BDC and thus forces acting on cam, cutting the belt could cause the cam to move

locking the cam will prevent this

in my mind the tensioner is only once fitted??

am I missing something?
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Old Aug 7, 2018 | 09:05 AM
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Originally Posted by Russ6334


i must be getting confused then cause I can’t work that out??? If I put to TDC two pistons are BDC and thus forces acting on cam, cutting the belt could cause the cam to move

locking the cam will prevent this

in my mind the tensioner is only once fitted??

am I missing something?
who cares about the cams moving just use a spanner to turn them back. Using a tensioner is the only way to set the cambelt tension.

Mark
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Old Aug 7, 2018 | 09:26 AM
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Originally Posted by Mark Shead


who cares about the cams moving just use a spanner to turn them back. Using a tensioner is the only way to set the cambelt tension.

Mark
i care because if you get it wrong I’ve written off a Ł30k car!

if you don’t lock the cams the cam will move and then how do you know what position it should be in? Tensioner does nothing but tension the belt when fitted it has nothing to do with timing
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Old Aug 7, 2018 | 09:35 AM
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Originally Posted by Russ6334


i care because if you get it wrong I’ve written off a Ł30k car!

if you don’t lock the cams the cam will move and then how do you know what position it should be in? Tensioner does nothing but tension the belt when fitted it has nothing to do with timing
Why are you arguing with the experts if you don't feel confident just get a professional to replace your cam belt., The only special tool you really need is the puller for the crank pulley
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Old Aug 7, 2018 | 09:39 AM
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Originally Posted by Russ6334


i must be getting confused then cause I can’t work that out??? If I put to TDC two pistons are BDC and thus forces acting on cam, cutting the belt could cause the cam to move

locking the cam will prevent this

in my mind the tensioner is only once fitted??

am I missing something?
You are, so to clarify you don't need a locking tool.

What Mark and grcossie have referred to is a tensioning tool, this is to ensure the belt is at the correct tension, as this is a manual process.

I would also advise you renew the tensioner, which is just as important as the belt itself.

Martin
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Old Aug 7, 2018 | 09:41 AM
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Originally Posted by Russ6334


i care because if you get it wrong I’ve written off a Ł30k car!

if you don’t lock the cams the cam will move and then how do you know what position it should be in? Tensioner does nothing but tension the belt when fitted it has nothing to do with timing
From the scribes (assuming standard pulleys) else just mark them, as Mark says (no pun intended) so long as everything is correct when the belt is fitted.

Martin
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Old Aug 7, 2018 | 09:46 AM
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Originally Posted by martysmartie
From the scribes (assuming standard pulleys) else just mark them, as Mark says (no pun intended) so long as everything is correct when the belt is fitted.

Martin
i think I’m going to get ford to do it! Doesn’t make any sense to me how it can be aligned without a cam lock tool!

ill see what ford charge
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Old Aug 7, 2018 | 10:19 AM
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I would advise you use a specialist the people at your Ford dealer probably won't have ever seen a cosowrth in their workshop
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Old Aug 7, 2018 | 10:39 AM
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Originally Posted by Turbosystems
I would advise you use a specialist the people at your Ford dealer probably won't have ever seen a cosowrth in their workshop

i agree but I cannot find a garage I can trust, my local garage don’t want to do it due to the value of the car etc and they prefer to do mot, servicing and brakes etc they tend to not do bigger jobs anymore

there is a local specialist but I know so many people who have been to them with complaints that I won’t go to them.

id do it myself but I’m not satisfied I fully understand it. As in my mind you should lock the cams and count the teeth to make sure the correct teeth line up on old and new (on the belt that is)
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Old Aug 7, 2018 | 11:31 AM
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Originally Posted by Russ6334



i agree but I cannot find a garage I can trust, my local garage don’t want to do it due to the value of the car etc and they prefer to do mot, servicing and brakes etc they tend to not do bigger jobs anymore

there is a local specialist but I know so many people who have been to them with complaints that I won’t go to them.

id do it myself but I’m not satisfied I fully understand it. As in my mind you should lock the cams and count the teeth to make sure the correct teeth line up on old and new (on the belt that is)
Take a trip up the motorway to see Mark at MA Developments...job jobbed
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Old Aug 7, 2018 | 11:34 AM
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Ford said Ł530!
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Old Aug 7, 2018 | 12:14 PM
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Originally Posted by Russ6334
Ford said Ł530!
Yeah and some after they found all amount of issues with it. And it will prob rattle afterwards cos most mechanics who don't know will time it up as a pinto.....see that so many times.

Most respected tuners will charge half that and do it properly.
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Old Aug 7, 2018 | 12:16 PM
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Originally Posted by costina
Yeah and some after they found all amount of issues with it. And it will prob rattle afterwards cos most mechanics who don't know will time it up as a pinto.....see that so many times.

Most respected tuners will charge half that and do it properly.
know any around the Plymouth area? I don’t have the time to go far!
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Old Aug 7, 2018 | 12:22 PM
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Originally Posted by Russ6334


know any around the Plymouth area? I don’t have the time to go far!
Engine tuner?
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Old Aug 7, 2018 | 12:23 PM
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Originally Posted by st220kyle
Engine tuner?
Too many bad stories! Anywhere else
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Old Aug 7, 2018 | 12:28 PM
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Like most things provided you prepare properly, it's not a problem.

It's appreciated though if you have doubts to have someone do it.

Auto Dynamix are based are in Devon and that would be my recommendation.

Martin

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Old Aug 7, 2018 | 01:43 PM
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Cheers for that

just called dynamix they said Ł150! And they mainly deal in cossies!

think I’ll scout the garage out during the week and go there for the job

rather let someone else do it!
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Old Aug 7, 2018 | 04:08 PM
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Originally Posted by Russ6334


i care because if you get it wrong I’ve written off a Ł30k car!

if you don’t lock the cams the cam will move and then how do you know what position it should be in? Tensioner does nothing but tension the belt when fitted it has nothing to do with timing
If you can’t see the cams have moved a circa of 15dg you shouldn’t be working on engines.

Mark
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Old Aug 7, 2018 | 04:35 PM
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Originally Posted by Russ6334
Cheers for that

just called dynamix they said Ł150! And they mainly deal in cossies!

think I’ll scout the garage out during the week and go there for the job

rather let someone else do it!
You won't go wrong with James as many on here will say.
Told you it would be cheaper.

James will also be able to advise on your charge cooler set up and will prob advise removing it.
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Old Aug 17, 2018 | 04:54 AM
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What about MJ Performance they are in Eggbuckland http://mjperformance.co.uk/
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Old Aug 17, 2018 | 11:08 AM
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Originally Posted by Mark Shead

No that it too loose.

Mark
Hi Mark

So if you do the same.. 90 deg .. but with a cold engine ..?

Ive done like that evry time I did the T-belt on my Sapp. ..?
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Old Aug 17, 2018 | 11:29 AM
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Originally Posted by 2wd
Hi Mark

So if you do the same.. 90 deg .. but with a cold engine ..?

Ive done like that evry time I did the T-belt on my Sapp. ..?
the correct way to tension a belt is to turn the engine backwards.

Mark
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Old Aug 17, 2018 | 12:53 PM
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Originally Posted by Mark Shead


the correct way to tension a belt is to turn the engine backwards.

Mark
ok....well I took the old one off with the engine on its marks and basicly followed the manual.. just without the tention tool...then rotated it manually a few times and did the 90 deg test...?
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Old Aug 17, 2018 | 06:36 PM
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Originally Posted by 2wd
ok....well I took the old one off with the engine on its marks and basicly followed the manual.. just without the tention tool...then rotated it manually a few times and did the 90 deg test...?
the 90dg test is wrong.

Mark
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Old Aug 17, 2018 | 10:11 PM
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Originally Posted by Russ6334
Ford said Ł530!
Ł530!! And you can guarantee if you took it to a main Ford dealer the mechanic who does it will never have done any work on a Cosworth engine!!!! I see that you have now found James at Autodynamic who has a vast knowledge of all things Cosworth related. Maybe he will also be able to help you with sorting out or removing that strange cooling system your car has got.
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Old Aug 19, 2018 | 05:50 PM
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Originally Posted by Mark Shead
the 90dg test is wrong.
Mark

ok...so I would need a tool to measure the correct tention, and not use the 90deg test...hmm, then Ill need to get one asap as it stime for a change

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Old Aug 20, 2018 | 10:33 AM
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Auto Dynamix or Tremona as you're down south
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