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Author Changing a snapped cam belt.... need a little help as Trisha would say!
Rooney
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Registered: 16th Nov 02
Location: Wellington, Shropshire
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16th Dec 03 at 11:50   View User's Profile U2U Member Reply With Quote

Has anyone got a step to step guide on how to change a cam belt.... and the bolt on the bottom pulley, does it need a special socket???

Any help please fella's and ladies!!!!!
Kerry
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Registered: 5th Oct 01
Location: Norwich
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16th Dec 03 at 11:53   View User's Profile U2U Member Reply With Quote

has the belt snapped while the engine was running?
Rooney
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Registered: 16th Nov 02
Location: Wellington, Shropshire
User status: Offline
16th Dec 03 at 11:54   View User's Profile U2U Member Reply With Quote

Yeah, I know about gettting the valves checked out aswell but am too shit scared to mate...
Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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16th Dec 03 at 11:55   View User's Profile U2U Member Reply With Quote

yeah if your cam belt snapped, you would have bent between 1/2 or all of your valves.
Kerry
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Registered: 5th Oct 01
Location: Norwich
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16th Dec 03 at 11:57   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Rooney
Yeah, I know about gettting the valves checked out aswell but am too shit scared to mate...



so basically ure in denial and ure gonna change the belt and hope for the best??

u really dont want to do that and attempt to start the engine again as u will no doubt do further damage as the timin will of been knocked out ect

its a head off job first im afraid
Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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16th Dec 03 at 11:57   View User's Profile U2U Member Reply With Quote

yes what kerry said. Starting the engine would finish off the damage that the snapped belt started
--DAN--
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Registered: 3rd Feb 03
Location: Bottesford. Drives;3 Series
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16th Dec 03 at 12:01   View User's Profile U2U Member Reply With Quote

My belt snapped at low revs at about 15mph and still caused 15 bent valves, would be daft not to get the valves checked before fitting new belt.
Rooney
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Registered: 16th Nov 02
Location: Wellington, Shropshire
User status: Offline
16th Dec 03 at 12:09   View User's Profile U2U Member Reply With Quote

Ok, cheers people..think will take it to sevenvalley now.... mine to snapped at low revs. cheers
Adam-D
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Registered: 11th May 02
Location: Cheshire
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16th Dec 03 at 12:10   View User's Profile U2U Member Reply With Quote

get the valves checked u start that with bent valves and its gonna eat iself
Kerry
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Registered: 5th Oct 01
Location: Norwich
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16th Dec 03 at 12:11   View User's Profile U2U Member Reply With Quote

yeh cheers kez
Greasemonkey
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Registered: 17th Apr 02
Location: Drives a Tractor
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16th Dec 03 at 12:12   View User's Profile U2U Member Reply With Quote

your belt has snapped!!!! the engine is fooked then
--DAN--
Member

Registered: 3rd Feb 03
Location: Bottesford. Drives;3 Series
User status: Offline
16th Dec 03 at 12:14   View User's Profile U2U Member Reply With Quote

Cost me nearly a grand to get it fixed, and then it still wasn't quite the same, so paid out another grand for a 1.6 16v.
Greasemonkey
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Registered: 17th Apr 02
Location: Drives a Tractor
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16th Dec 03 at 12:21   View User's Profile U2U Member Reply With Quote

engines are never the same after they have been raped inside, after my re-build in the short space of time i drove it 3hours it didnt seem right was better drinking pints of oil as before the re-build
cobra148
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Registered: 27th Oct 01
Location: Here in front of my monitor.....
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16th Dec 03 at 13:17   View User's Profile U2U Member Reply With Quote

Not all snapped belts are a horror story.
My Mrs was driving a 1.4 Astra and the belt snapped. She didn't have a clue what was wrong and sat there trying to start again
I was expecting to fork out for a replacement lump.
Anyway, it turned out that only two valves were bent. Two new valves for 24, and it was sorted at a local garage for a mates rate
I agree with Greasemonkey though, an engine never feels the same when something major has happened to it.
Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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16th Dec 03 at 13:26   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by cobra148
Not all snapped belts are a horror story.
My Mrs was driving a 1.4 Astra and the belt snapped. She didn't have a clue what was wrong and sat there trying to start again
I was expecting to fork out for a replacement lump.
Anyway, it turned out that only two valves were bent. Two new valves for 24, and it was sorted at a local garage for a mates rate
I agree with Greasemonkey though, an engine never feels the same when something major has happened to it.


Rob, its a different story on the 16XE lumps. A lot of damage is done when cambelts go on these engines, whether you are travelling at 5mph or 65 mph, the damage is usually 12+ bent valves.
Greasemonkey
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Registered: 17th Apr 02
Location: Drives a Tractor
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16th Dec 03 at 13:29   View User's Profile U2U Member Reply With Quote

Thats all down to the unusually high compression and minimum valve clearance!!!!
Kerry
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Registered: 5th Oct 01
Location: Norwich
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16th Dec 03 at 13:30   View User's Profile U2U Member Reply With Quote

yes 16 valvers are not happy with cam belt snappage

i fear for my 24
cobra148
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Registered: 27th Oct 01
Location: Here in front of my monitor.....
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16th Dec 03 at 13:35   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Cybermonkey24
quote:



Rob, its a different story on the 16XE lumps. A lot of damage is done when cambelts go on these engines, whether you are travelling at 5mph or 65 mph, the damage is usually 12+ bent valves.


Ah, shows my ignorance then
The Astra was a 1.4 16v, I didn't see Rooney has a 1.6
Rooney
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Registered: 16th Nov 02
Location: Wellington, Shropshire
User status: Offline
16th Dec 03 at 14:04   View User's Profile U2U Member Reply With Quote

Ok, just spoken to seven valley and they are goingt o pick it up tommoz, thanks for your guidence people... great help!

Mike

 
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