Cam belt timing help - Alfa Romeo Forum
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(Post Link) post #1 of 4 Old 12-10-13 Thread Starter
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Cam belt timing help

Cambelt snapped on our GT coupe with the 1.9jtd 16v engine last weekend at 67,000 miles.
Rebuilt the top end and now need to fit the new cambelt kit but can't find any info about the timing marks. Can somebody point me in the right direction PLEASE
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You need the cam locking tools, and you can only really insert the rear one while the cam carrier is off the engine, unless you take the inlet manifold off which is in itself a mission. I wouldn't turn the key without checking both cams are in time, they are gear driven off each other but the gears are only held on by a taper lock and the cams can shift in the gears during a belt failure.
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Quote:
Originally Posted by Pud237 View Post
You need the cam locking tools, and you can only really insert the rear one while the cam carrier is off the engine, unless you take the inlet manifold off which is in itself a mission. I wouldn't turn the key without checking both cams are in time, they are gear driven off each other but the gears are only held on by a taper lock and the cams can shift in the gears during a belt failure.
Thanks for that.
I finally got hold of my mate who until recently worked at a Saab dealers and he said they've had the cams slip on the gears during a belt failure. Fortunately he has the locking tools and has offered to set it up for a pint or two.
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(Post Link) post #4 of 4 Old 15-10-13 Thread Starter
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I managed to make up a tool to check the timing on the camshafts without removing the cam cover or the inlet manifold and the cams had not slipped relative to each other. Then took an educated guess at where the crankshaft should be and fitted the belt. Turned it over by hand for half a dozen turns and no contact so turned the key and it fired up. Ticks over fine and revs cleanly so all is well.

Thanks for the help
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