<VV> bearing noise in 1, 2 & 3, but not 4

[Bob Gilbert]

The needle bearing between the main shaft and input shaft is bad. They are 
spinning at the same speed in 4th gear. Repair can involve up to input shaft, 
main shaft and bearing replacement, or less. Depends on shaft damage.

Bob
   

On Sat, 28 May 2011 10:21:35 -0600
  Wesley Heiss <wes.heiss at gmail.com> wrote:
> so after a lot of work i got my 62 rampside on the road last week. running
> and driving fine except it is making a noise i cannot figure out. it's a dry
> bearing whirring sound in neutral, 1st, 2nd & 3rd gear with the clutch out.
> when you put the clutch in or shift into 4th the noise isn't there. rather
> loud when you are stopped or on the road and then in 4th it's as quiet as it
> should be. from neutral when you put the clutch in you can hear it slow down
> and stop within about 2-3 seconds.
> 
> sounds like the front transmission bearing to me as the input shaft would be
> spinning it under those conditions and not when the clutch is down. but why
> it would not make the noise in 4th is confusing. is there any way to inspect
> the bearing or swap it in the vehicle? i suppose it is likely if the front
> bearing is bad the rear will be too and the smart thing to do is pull the
> transmission. ideas?
> 
> so if the whole transmission is going to have to come out i have a second
> question. can you pull just the transmission without pulling the whole
> unipack in a FC? obviously some things will need to be disconnected to tip
> the front end down and slide the trans off the input shaft. just not sure if
> i can get enough angle to clear the big crossmember. might be able to drive
> the truck to a friend with a lift and extra transmissions to do a quick
> swap.
> 
> sure would hate for the transmission to blow up on my way to denver!
> 
> thanks,
> wes
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