5 speed MT, no reverse

05Taco4x4 · Jul 25, 2018

Steve_P[OP] said: ↑

Ok, here's a few pics. You can see that 5th gear has moved on the mainshaft which now blocks the shift fork from moving the synchro forward - and also the reverse gear movement in the main case. But it can move rearward for 5th gear.

If you look closely, you'll see the spacer is deformed next to the bearing from the thrust load from 5th gear- due to the tooth angle forcing it rearwards. I found several sharp slivers in the main case but nowhere near enough to construct the missing ~6 mm of spacer tube.

So I guess that this particular 5th gear and mainshaft didn't have enough press fit. And also the spacer's wall thickness isn't thick enough, or the material not strong enough- although that's not the main issue because if it was this would be widespread.

Click to expand...

You got it, should look like this

Steve_P · Jul 26, 2018

lynlan1819 said: ↑

Sounds like you need too call it a day and put a new transmission with a warranty in.
Click to expand...

Yeah, I think I'm going to bite the bullet and order one today. I showed the pics to the owner of a local transmission shop and he'd never seen that happen and he's been in business for 30+ years. He said to buy a used or new one.

It's ~$950 in parts without any synchronizers, ~$1200 with synchronizers, and $1880 for a new trans shipped. $700 is a lot of money but I just don't have the time to rebuild this right now. I use the truck as a secondary vehicle 49 weeks a year, but use it for a 3 week vacation. And it's time for vacation

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5 speed MT, no reverse

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5 speed MT, no reverse

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