Metals tend to be more brittle at low temperatures also. Maybe the combination
of a 30 year old box, low winter temps and extra thick lube finally caused
enough stress to break a weakened part.
Bill Lawrence
Jean-Leon Morin wrote:
> > Another part for the "parts-destruction-engineering-method-test-bin"...
> >
> > Time for an Atlas double kick-down 800Nm Superheterodyne Transfer case?
> >
> > ;-)
>
> Actually, I'm kinda surprised it failed. The rover T case is very heavy duty
> and a lot of people told me it would hold up to lots of power. It's not like
> the I6 is a super powerful motor anyways, it's got a lot of low end, but
> it's definitely not a "hot" motor.
>
> I'm in the house right now having a bowl of soup and warming my extremities
> up. It's a beautiful day, bright sunshine, however it's about -25 degrees
> celsius and this morning it was even colder. I'm stuck doing the work
> outside, so I've got a propane construction heater aimed under the truck and
> I have to warm my hands after removing every bolt. It's not super
> comfortable, however it's better than no heater. I've managed to remove the
> old transfer case in about an hour, which is a lot less than I originally
> thought.
>
> I've been looking over the parts and I'm still baffled as to why they
> failed. Gears, after being in use for thirty years, will eventually break,
> and I think that this one may have failed this way. This combined with the
> super thick gear oil (same consistency as uncured JB weld) may have combined
> to make a heck of a mess.
>
> The only thing better than Land-Rovers is Land-Rover owners. In the past
> three weeks, two local LROs have saved my bacon by offering up transfer case
> parts, and the best part, no charge. Yesterday, it took about five minutes
> to find a transfer case. I pulled the pan off the old one, verified that it
> was indeed the T case, and then sent out an e mail. Within minutes I had a
> reply, stating that I could pick up the parts that night. Try that with any
> other vehicle!
>
> Again, thank you Kevin Willey and Martin Bagshaw!
>
> J-L
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> LRO@land-rover.team.net
> http://land-rover.team.net/mailman/listinfo/lro
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