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Re: Automatic Gearboxes
Posted by Charles Christacopoulos (more from Charles Christacopoulos) on Fri, 17 Mar 2000 10:24:07
In Reply to: Automatic Gearboxes, Anthony Eckersall, Fri, 17 Mar 2000 09:45:54
> My question . Is that really true. Can you have a bearing thats part of
> the gearboxes actual outer casing........If so, how much abuse does this
> bearing get when you are hammering the car. (Kicking down a lot). One of my
> friends told me that the diff bearings on an automatic gear box, get
> hammered everytime the car kicks down under power. Is this true ?. As you
> can see I am getting increasingly worried that this weird bearing will give
> out as well soon. If it does, it will knacker my box again.
Kicking down will put stress on gears .... ehmmm bearings (depending on what
they do of course) may have a heavy load but the pressure tends to be steady.
I would say kicking down is the equivalent of letting the clutch pedal rise
suddenly.
In general the feeling seems to be that auto boxes are more reliable whilst
they run (expensive when they break) and necessary for bigger engines. I
don't think SAABs fall into the category of bigger engines. The idea is that
on a big engine the auto box will control (together with engine mgmnt system)
kickdown, acceleration etc and will therefore protect the differential,
driveshafts etc. If you have a very big engine and drop the clutch a lot of
things could break.
A bit of consolation.
Charles
==============================================
Charles Christacopoulos, Secretary's Office, University of Dundee,
Dundee DD1 4HN, (Scotland) United Kingdom.
Tel: +44+(0)1382-344891. Fax: +44+(0)1382-201604.
http://somis.ais.dundee.ac.uk/
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Posts in this Thread:
- Automatic Gearboxes, Anthony Eckersall, Fri, 17 Mar 2000 09:45:54
- Re: Automatic Gearboxes, Charles Christacopoulos, Fri, 17 Mar 2000 10:24:07
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