<VV> 65 CorvairPG pinion gear.

[Larry Forman]

Hi Jerry,
YES!   It is a known failure mode for Ultravans that might have vehicle 
weights of over 5,000 lbs.   A vast majority of these vehicles have 
Powerglides and if the vehicle is allowed to downshift with the throttle 
at the floor when climbing a hill the shock can break the pinion gear free.

Larry

On 10/28/2016 8:54 AM, air_cooled63 via VirtualVairs wrote:
>
> Has any one ever had a pinion gear shaft spin inside the pinion gear. I was slowing down to a stop in my 65 4 door when I heard a high pitched sound. when I stepped on the gas to go it would not move. I've started removing the engine to replace the differential but want to be sure I'm changing the right thing. Jerry Brown 
>
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