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Author Topic: cam belt tensioner  (Read 1328 times)
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« on: August 12, 2012, 08:14:55 PM »

strangely the cam belt tensioner on front wheel drive Betas differs from those fitted to similar fiat twin cams, all versions use a bearing inside an outer sleeve an interference fit but also held in place with a circlip. The smaller capacities use an outer sleeve of 67mm the 1995cc versions use one that is 70.5mm this presumably is to accommodate the taller engine and longer belt (?). Some vendors list the smaller size for all cars but I don't actually know if the smaller one works on a 2 litre car or not so be careful. Complete tensioners for the 2 litre cars seem to be difficult to find these days and please note that the montecarlo uses a different bearing (more unexpected joys of Lancia ricambi!!)  In any case you can replace the inner bearing and luckily it is a standard bearing available from any decent bearing supplier. It is possible to buy one for a few pounds but I would recommend buying a quality brand such as SKF or FAG and source it from an official dealer as at one time there were a lot Chinese SKF fakes about. The SKF reference is 3205 A-2RS1TN9/MT33

I'll post the original part numbers when I have time to dig them out.

as usual I can't be responsible for typos and other errors so please check my information yourself before proceeding
« Last Edit: August 12, 2012, 08:30:45 PM by rossocorsa » Logged
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