[FC] '65 Greenbrier Differential

Dale Dewald corvanatics@corvair.org
Mon Jun 28 06:50:01 2004


Hello Ken,

Friday I transported the rental car ('02 G-Caravan) back to Stevens Point 
and picked up the Greenbrier.  I drove the Greenbrier up onto the trailer 
without incident.  The diff and tranny were quiet and smooth--for about the 
50 ft of travel.  There was no indication of broken gear teeth or rough 
bearings.

Closer inspection shows that gear lube is only escaping from a "hole" in 
the bottom of the diff case.  The "hole" looks as if someone took a 1/2" 
drift, positioned its edge next to the casting parting line inside of the 
case about 10 degrees from perpendicular, and gave it a whack with a 4 lb 
hammer.

As I mentioned before, I collected some bits of case metal from the ground 
that are potato chip thin.  Is it possible that this was a defective (too 
thin) casting.  It looks suspiciously like some foreign object got wedged 
between the case and ring gear.

What is the ETD for the boomerang arms.  I stole the arm from my '64 GB to 
put on the '65.  Right now both are undrivable.  Should I swap the good arm 
back from the '65 to the '64?

Dale