[urq] Subframes bushings r&R procedure

[Buchholz, Steven]

... the anodization of the mount would help ... one of the requirements for
the galvanic process is that you have an electrical connection.  Over time
I'd expect the anodized coating would wear off and then you would expect to
see corrosion of either the iron or the aluminum ... I don't know off hand
which one wins.  If it were the ferrous material that won it would mean that
some amount of corrosion of the body of the car would have been averted ...
in that respect it may not be that bad ... 

It seems to me Al bushings with the appropriate Nylon/Teflon/Delrin washers
to eliminate any chance of electrical connection would solve the issue once
and for all ...

Steve B
San Jose, CA (USA)
> 
> I've had mine on the car for 3 winters now... (southern 
> Ontario Salt mine... ;) and no problems or any signs of 
> corrosion... don't know about 20 years from now but so far so good....
> The way I drive I would probably have to replace a set of OEM 
> bushings by now...
> That's what happened to my rear diff tranny mounts... :(
> 
> 
> >You are probably right: the alu bushings have probably a 
> good corrosion 
> >resistance, but what I am reffering to is "galvanic corrosion".
> >That is, when 2 parts of different metal are in contact 
> together, the 
> >lesser one (in the glavanic corosion chart) will gradually 
> destroy itself 
> >to protect the higher one if placed in an aggressive environment.