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Ted Johnson wrote:
>>There is no belt tension "adjustment" on BMW E36 engines. There are >>automatic belt tensioners for both the Alternator-Waterpump-Power >>steering belt and also the AC belt. > > > How do these automatic belt tensioners know how much tension to apply? > Is there a spring? If so, isn't it possible for it to fatigue? > > Thanks in advance. > -Ted Yes, spring tension. There are two types. One that has a little mini-shock absorber looking spring assembly and one that has a torsion type spring assembly. You'd have to look up your car to see whaich you have. And yes, either way it is possible for them to go bad. -Fred W |
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#12
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Juhan Leemet wrote:
> On Mon, 06 Dec 2004 16:04:10 -0500, Fred W wrote: > > >>Ted Johnson wrote: >> >>>>There is no belt tension "adjustment" on BMW E36 engines. There are >>>>automatic belt tensioners for both the Alternator-Waterpump-Power >>>>steering belt and also the AC belt. >>> >>> >>>How do these automatic belt tensioners know how much tension to apply? >>>Is there a spring? If so, isn't it possible for it to fatigue? >>> >>>Thanks in advance. >>>-Ted >> >>Yes, spring tension. There are two types. One that has a little >>mini-shock absorber looking spring assembly and one that has a torsion >>type spring assembly. You'd have to look up your car to see whaich you >>have. And yes, either way it is possible for them to go bad. > > > Dunno about BMW. FWIW, on the Alfa 2000 GTV I had back in the 70s, there > was an oil pressure operated chain tensioner. I think there was also some > kind of ratchet arrangement to keep the tension, once it had been adjusted. > We were talking about the drive belt tensioners, not the timing belts/chain tensioners. -Fred W |
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