So, I apologize if this has been asked before, I tried to search not only here, but also all over the web, and that lead to people saying two different things about what it would be. Mostly arguments over if the throwout bearing made noise with clutch engaged or disengaged, so here's me asking. I have a 66 F85 with a Richmond six speed in it, I just got the car a few weeks ago. Did a tune up and changed all of the fluids with high quality stuff (same that my friend I got it from had been using) AMSOil synthetics in the engine and trans, Lucas with posi additive in the rear end. The trans moves fine, and whatnot, but there is a whining sound any time the clutch is engaged (pedal is not pressed in) At idle, through the gears, etc. The only exception being is that occasionally it is quiet through 5th, and whines in 6th again. Any ideas would be greatly appreciated.

 

The throwout bearing should not be contacting anything with pedal up if adjusted correctly. If it is not in contact with pressure plate then it should not be the cause of the noise. JMHO

 

If the clutch fork is not adjusted correct the throwout bearing could be touching. Try putting light pressure while whine is accruing. If it changes thats where I would first look. Was this car bought in Canton, Ohio 4 or 5 months ago? Good luck, Ken

 

OK, when you push the pedal (neutral) the throwout bearing starts turning, the trans is not. It sounds like things are quiet from your description. That rules out the throwout bearing. So it's only whining when the trans input shaft is turning.
The fact it's quiet in 5th (1:1 direct drive) indicates it's in the trans, maybe input shaft bearing or countershaft. That bearing and countershaft are heavily loaded in all gears except 5th. Time for a trans rebuild.

 

Thanks, I shall check that before ripping into it too much. And no, I bought this car from a friend in Mountain Home, ID. His family bought it new if I remember correctly.

Thank you for the information. When you say trans rebuild, I'm guessing that means I can't get away with just doing the bearings and whatnot as opposed to everything? Sorry, pretty new to rebuilding, but I catch on quick

 

Depends, my opinion is once you take it out of the car and open the case, you might as well replace all bearings, seals, synchros. The parts are not that expensive, and it's a real PITA to have to remove it again.
How many miles on it and are you planning on rebuilding it yourself?

 

OK, I'll make sure to snag them. I am unsure of the mileage on it, though I know it was pulled apart once for something (I forgot what my friend told me he had to replace) since it was originally put into the vehicle. And yes, I am planning on doing it myself.

 

I've never done a Richmond 6 speed, but have rebuilt T10s and muncies. From the manual that came with my 6 speed, it looks pretty similar in design, so shouldn't be too bad.

 

Yeah, from what I can see, I'll just need to take my time with it. Thanks again for the help

 

Sounds to me like the transmission input shaft bearing is the culprit. You wont really know until you pull it and inspect it. I had the same issue on a 56 ****** jeep. It was pretty obvious once I put my hand on the input shaft and found out how much play there was in it. So, I rebuilt the tranny complete including synchros, and all was well. Also, make sure you look closely at the throw out bearing carrier for any cracks while your in there. Just my two cents.

 

If it is quiet in 5th, and fifth is one to one ratio, it would be the bearings inside the input shaft, or thrust/Torrington bearing between the input and cluster.
The cluster shaft turns at a different speed than the input shaft in all gears but 5th. This requires bearing rotation in all gears but 5th.
I assume 5th is locking input to cluster in the Richmond 6.




Good Luck.


By the way, if this is it, why......
pilot bearing worn? something else? Incorrect preload on main/cluster bearings?

 

Question, stock bell housing or? Any aftermarket bell housing must be checked with regard to crankshaft centerline..to assure the input shaft runs true..
Checking the bell housing to crank is a PIA, but critical for a smooth running trans..