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Author Topic: I'm Worried - VERY worried  (Read 4660 times)

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Markie

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I'm Worried - VERY worried
« on: 20 April 2007, 19:16:58 »
About the veccy cambelt :-/

Should the adjuster/ idler be able to move on its on by hand with belt in place.

Cams and tensioner dont.....

Also cams DONT seem to me to line up if it was cranked round tdc.....

Theres no leaks on tensioner and no play in belt.... :-/



« Last Edit: 20 April 2007, 19:17:32 by Markiec »
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STMO123

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Re: I'm Worried - VERY worried
« Reply #1 on: 20 April 2007, 19:18:37 »
Wait for Marks DTM on this one Markie :o
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Marks DTM Calib

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Re: I'm Worried - VERY worried
« Reply #2 on: 20 April 2007, 19:34:15 »
Well for starters....rotate the crank another 360deg ......the cams are 180 deg out....

When you say you can move the tensioner....can you feel some spring tension...
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Marks DTM Calib

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Re: I'm Worried - VERY worried
« Reply #3 on: 20 April 2007, 19:35:53 »
Also.....what is the number/letters cast into the bottom of one of the webs on that tensioner/idler back plate....
« Last Edit: 20 April 2007, 19:37:03 by Mark »
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Ronald_McBurger

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Re: I'm Worried - VERY worried
« Reply #4 on: 20 April 2007, 19:37:10 »
Yes, agreed. Cams are 180 degrees out.
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Markie

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Re: I'm Worried - VERY worried
« Reply #5 on: 20 April 2007, 19:37:55 »
Quote
Well for starters....rotate the crank another 360deg ......the cams are 180 deg out....

When you say you can move the tensioner....can you feel some spring tension...


.....i've only just taken the cover off - toucnd nothing.... :-/ the top idler spins round by finger without the belt moving but the belt is taught...

this looks bad doesnt it..
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Marks DTM Calib

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Re: I'm Worried - VERY worried
« Reply #6 on: 20 April 2007, 19:39:43 »
Read that info off the backplate....it should be 01....but it might be EB.....
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Marks DTM Calib

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Re: I'm Worried - VERY worried
« Reply #7 on: 20 April 2007, 19:41:50 »
Another question....have you turned the crank at all.....if so, did you turn it anticlockwise at all....
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Markie

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Re: I'm Worried - VERY worried
« Reply #8 on: 20 April 2007, 19:44:11 »
Quote
Another question....have you turned the crank at all.....if so, did you turn it anticlockwise at all....


no crank has not been turned - i know its clockwise only too....
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Marks DTM Calib

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Re: I'm Worried - VERY worried
« Reply #9 on: 20 April 2007, 19:45:41 »
Whats stamped on the tensioner backplate then.....
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Markie

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Re: I'm Worried - VERY worried
« Reply #10 on: 20 April 2007, 19:49:36 »
Quote
Whats stamped on the tensioner backplate then.....

cam sprockets/ backplates the part number.......... 90573286     then 0037219 at a seperate part for all 4 cams.

Top idler 337185 a    then      france 90573616

need anything else?
edit
going to check that back plate itself....
« Last Edit: 20 April 2007, 19:50:36 by Markiec »
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Markie

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Re: I'm Worried - VERY worried
« Reply #11 on: 20 April 2007, 20:01:22 »
no other writing that i can see......

from this picture its ONLY the top idler that rotates on its own - nothng else does......


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Marks DTM Calib

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Re: I'm Worried - VERY worried
« Reply #12 on: 20 April 2007, 20:07:53 »
Yes but, something looks odd with the top idler position.....if you look at the silver cast backing plate that the idler adn tensioner are mounted on.....in between the two stamped inside one of the webs is two digits which tell you what type of setup is fitted.....its these two digits I need...

The top idler might be rotating on its own simply because of the cam positions.....and the varying load on the belt as they go over centre...

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Marks DTM Calib

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Re: I'm Worried - VERY worried
« Reply #13 on: 20 April 2007, 20:20:36 »
I am asking this question by the way as I suspect it has the wrong tensioner assembly fitted, it looks like the early one (EB) and hence why the the top idler is not between the cams....
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Marks DTM Calib

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Re: I'm Worried - VERY worried
« Reply #14 on: 20 April 2007, 20:31:46 »
On closer inspection, the timings dont look massively out of time....think cranks closer to needing  440 ish deg turn...
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