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after a few head scratches and purging my mind of the 3 speed how to videos, I found the rather large clip that was holding the remainder of the gear assembly in the tail housing
... and she slid right out in the last pic from left to right (or rear most to front most) we got 1st gear then the reverse slider and then the 2nd gear, my buddy Mopar Seth believes the noise problem lies in there, since it is quiet with 1st gear engaged, but as soon as we disengage it we get the rattle chatter |
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nest to come off was the brownish orange plastic speedo gear, the metal clip holds it in place
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YALR - Yet Another Lock Ring and the rear main shaft bearing comes off, this one took a little flat screw driver (ok crow bar) gentle persuasion to slip off, this reveals the wavy washer which I was told was an afterthought repair/fix of one of the noises these transmissions like to make
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so then things will get loose and we will be able to slide off the rear bearing, the wavy washer, another washer, 1st gear, 1st-2nd + reverse slider, and one syncro
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hang in there, almost done, another snap ring, a clutch hub, the last synchro, and 2nd gear slide off
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and here i am giving you the shaft
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and here are all the bits that make up the main shaft from left to right or rear to the front of the vehicle
note the one shinny new synchro, getting lined up in parallel for replacement |
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next it was time to clean the old gasket residue off of the case
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it's wire wheelin' time
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goodness, how many sides does this thing have
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the tail housing also got some love
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and pretty soon I had transferred all the old gasket material on to my ol' favorite shirt
Clean Up Fun Level = 0 |
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just some random pics of all four new syncros, showing they all be the same
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Well you sure ain't no quitter.
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Have a friend who just finished going through a cast iron 70s Mopar 4-speed, which is based on a 3-speed. That means 3rd gear is 1:1 and 4th is an overdrive gear where third would normally be on the countershaft and mainshaft. And like you, he had never done one before, but just dug in and got 'er done! |
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Well done. If one thing racing taught me over the years is that just because you haven’t done it or seen it doesn’t mean you can’t do it.
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Ohhh Crap!!! What the heck was that? :lol::lol::lol: |
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Lucky that little ball bearing didn't get caught somewhere more important. What let it escape? |
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well before I realized the detent ball was missing I already removed the counter shaft so might as well walk you through it
I gotta be honest I was pretty intimidated about pressing this shaft out, but it turned out to be super easy and all I needed was a hammer the first two pics show a good view of the idler gear and how it slides side to side - this may be the smoking gun |
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here I show you that the counter shaft is keyed or at least has a thingie thingie that prevents it from spinning or at least from getting pressed in too far
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and here is the counter shaft gear cluster and it's 54 roller bearings, 27 in the front and 27 in the rear
note the missing washer on the left, the top row is the used washers/spacers the bottom are the new replacement ones - I did install one from the rebuild kit when I reassembled it and it fit great no drag or nothing |
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I put all 54 used counter shaft roller needle bearings into a zip loc bag so that I wouldn't mix them up with the brand new ones
looks like they give you 1 extra one in the rebuild kit so make sure you count them out ahead of time |
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after wiping the cluster gear clean and dry you need some sort of grease to keep the roller bearings put, I'm sure this ain't the "right" kind, but we are using such a small dab of it that it really don't matter, plus I promised my dad I would use up all this grease we bought 35 years ago before I die, ha ha
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not sure you can tell in this pic but the counter shaft had some slight scaring on it, if I had a replacement one I would have swapped it out, but I didn't so I smoothed it out the best I could with some super fine sand paper and back in it went, Roadkill style
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so after spending $40 bucks at Napa on the wrong type of snap ring pliers, I went to O'Reilly's and spent $15 on the right ones, these they call Lock Ring Pliers learn and live people, learn and live
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and with that the reassembly got under way... as they say in your favorite Hayne's or Chilton's manual "Installation is the opposite of removal"
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speedo gear went back on
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gooped the input shaft and shoved the 14 new bearings in from the rebuild kit
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my first attempt was to install the input shaft and the main shaft without the tail housing, that failed cause I could not get the tail housing back on after that, needed a third arm for that large snap ring to expand it over the rear bearing, oh well
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so got the new rear seal installed in the tail housing by "gently" tapping the tail housing on the garage floor - shhhh don't tell
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so test fitted the new tail housing gasket, as it appears to only go on one way, and then I gooped it with that red devil's snot so it would stay in place
Note: the bottom tail housing bolt is not in a blind hole, so goop it with red snot and also you can use this to drain the transmission fully, you probably all knew that but I didn't ha |
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I like the natural light available behind your workbench! If that was my garage, those blinds would have a trendy mottled look from chemical and petrochemical splatters.
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was looking forward to swapping the rubber O-ring on the speedo bullet but the one provided was a bit too loose and way too skinny, Mini Epic Fail
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as a self proclaimed master transmission rebuilder now, I like to keep myself humble by cleaning my own bolts
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