Re: Russ Neely's Water Pump Replacement

[AlfaNeely@domain.elided]

     Applying pressure on the Giubo / driveshaft donut to break the crankshaft nut loose should not be any harder on it than normal stop and go driving.  Especially if your stopping and going is done with exuberance...
     Double nutting a bolt or stud is just two nuts turned against each other to prevent them coming loose.  To remove a stud from the front of the engine, put on two nuts, tighten them against each other and put the wrench on the inner one to unscrew the stud.  Put a new stud back in with the same method.
     Double nutting a bolt can also prevent the bolt from coming loose while still allowing a bit of slack so the bolt can turn.  The only place I can think of where Alfa did that stock is on the Alternator pivot bolt.  
     I generally double nut the exhaust system bolts to keep them in place.  Normal lock washers with a nut do not seem to do so good with the heat and vibration of the exhaust system.
Ciao,
Russ Neely
Oklahoma city

In a message dated Tue, 16 Oct 2001  7:25:57 PM Eastern Daylight Time, Tessie McMillan <tessmc@domain.elided> writes:

> Wow Russ! I will definitely need help, and since two of my friends have
> already volunteered to bail me out when I get to the point where I'm
> beyond my ability, I'm pretty sure we can handle it.
> 
> Two questions come to mind. The first is, by giubo (guibo?), I assume you
> mean the doughnut -- which I inspected in '96 and at the time
> noticed it had a small chip in it, but nothing worth replacing (no
> cracks, etc.). In your opinion, is it likely the compression/twisting
> from breaking the crank pulley nut using a cheater bar would expose any
> frailty of the doughnut -- leading to having to replace this guy
> (giubo/guibo) as well?
> 
> Second: double-nutting. I'm sorry; I don't know what this means. Do you
> mind amplifying?
> 
> Tess
> in Seattle, WA USA

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