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Yes, absolutely! Problem with two short ones is what keeps them from sliding out from under the bearing, towards the center of that spring seat. (?)

Thanks for that contribution! First time ever I get to see a full keyway there; just as it's supposed to be! Interestingly, the part number remained the same. So, what about the key(s) itself? Guess it should be one only and full length, accordingly. Certainly, not just two of the short ones...

No, not the entire back end..... With truck on firm and level ground (and front wheels well chocked!) - place a bottle jack in the center of the spring seat bracket (#18 in the attached diagram) - plus one jackstand to each side of it. Then lift up until the spring ends on both sides are just...

Here it is: https://www.ebay.com/itm/5X614-Meritor-Felt-Washer-5310-00-693-0623-7521646-/303507346704 (Note: Rules have changed and posting eBay links is allowed, now.)

TM 9-2320-209-20-3-2 , 17-8. REAR SPRING SEAT REMOVAL AND REPLACEMENT.

The -386 TMs only cover what is different to the A2-series. You can use RTV sealant, instead.

http://www.steelsoldiers.com/upload/M35/TM9-2320-209-34P.pdf . Fig. 127 shows the later (bushing)bearing style. And this is the early (tapered roller)bearing style, from the parts book ORD 9 SNL G-742 (Jan1955): Same size as the spindle nuts: 3", 8-sided.

Sorry Greg, the way you responded to Orren's post #52 made me believe that you did not take your time to think about it...? But its OK, it happens to all of us. Still unclear to me: In this post you emphasized that it had to be a "high pressure grease relief valve" and yes, there are some that...

OK, what if we added this phrase:...."but if you pump in grease normally (by using a REGULAR HAND PUMP) you will get grease coming out the back, without damaging any seals"... Think about this, Rusty: how else would the operator be able to "flush" any old grease out of the inner bearing? Just...

Yes, some old grease... and then clean grease will soon follow. It doesn't take long; try it out... ;-)

Agreed. Many ways to "skin the cat"... At least people should get to know that there is such spot, to put some grease in there. I have seen too many of these spring seats, completely neglected - running almost dry and everything worn out beyond hope, of course.

This is my reasoning: 1) Since everything is slow motion in there we can actually completely fill (and keep filled-) the whole space, 100%. That way no water will penetrate - and no condensation can occur. 2) When you pump fresh grease in, it normally goes first where there has been the most...

How could that happen? The seal as well as the retainer are installed on the tandem axle spindle, not pressed into the spring seat housing. There is no way these could shift further back. Because otherwise the front (outer) bearing would never see any fresh grease. You are referring to the...

Hey Rusty, please.... think - then post! Orren has it right. That seal that you say "would get blown out..." It is the very same seal as the inner ones on the wheel hubs: NSN 5330-00-891-7826. I think it was in the late sixties when they did that upgrade with the sleeve bearings, to replace...

https://www.steelsoldiers.com/showthread.php?16605-Tandem-axle-spring-seat-amp-shaft-repair-and-upgrade&p=496552&viewfull=1#post496552

I never ever used a gasket there... just RTV (clean, dry surfaces!) G.

Look at his pics#3 and #4.... that tab seems to be there, intact... As to what exactly caused it to come apart.... we already learned that this is one of the Deuces weak spots. Also, that when they upgraded installing solid bushings, the original pivot shaft most probably remained the same...