Timing Belt Tightening

Bernie Benz b.benz at charter.net
Sun Jun 27 22:30:24 EDT 2004



> From: "Alan Cordeiro" <alancordeiro at comcast.net>
> Subject: Re: Timing Belt Tightening
> 
> Bernie is right on both counts....give him his due...
About .02!
> 
> (The timing belt will slowly loosen up over the next
> few hundred miles, and have less tension anyway.)
Well, at least it will not tighten.
> 
> btw, I had circlips on BOTH sides of the bearing, got everything
> out but the bearing itself. The thing is just WELDED in the housing.
> The hub is off, and the hub race is off, the circlips are out...
> Trip to a good machine shop tomorrow I guess...
A little torch to the housing will release it.  Grease it when pressing the
new one in.

Bernie
> 
> Alan
> 
>> Kneale, You didn't tighten the cam shaft sprocket bolt using the crank
>> holder as the back up torque did you?!?!  If so, bad show!  Putting an
>> abnormal stress on the TB.
> 
>> Turning it over a few times does that.  Sounds like you have a too loose
>> belt and are asking for cam drive train torsional vibration problems.  IMO
>> the belt should be so tight that the 90 deg. twist is all that you can
>> muster without a tool.  Don't be timid, better tight than loose.
>> 
>> As an aside, was the old crank oil seal leaking?  DFI if IAB!
>> 
>> Bernie
>> 
>>> The Bentley says nothing about snugging up that side of the belt before
>>> tensioning with the water pump.



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