T-176 vs T-177 rebuild - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 07-18-2003, 06:56 AM
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T-176 vs T-177 rebuild

I'm trying to replace the front bearing in my T-17?

When I bought it I thought it was a T-176 so I have been following those directions however when i get to the part about removing the clutch shaft, the syncro teeth on the clutch shaft slam against the gear on the countershaft and I cannot remove the clutch shaft. I already pulled the shaft on the countershaft and it's as far down in the bottom of the tranny as it can go.

After checking the tooth count on the cluster gear, It appears I have mistakenly bought a T-177.

Does anyone know the procedure for tearing down a T-177 tranny? Following the instructions for a T-176 doesn't work. [img]images/graemlins/frown.gif[/img]

Also will there be any problem with installing this T-177/D300 in a CJ 5 to replace a T-150/D20 setup. I know I'll need different drive shafts lengths and cut a new hole in the floor boards. I was wondering if the clutch shaft is longer or something like that.
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post #2 of (permalink) Old 07-18-2003, 11:10 AM
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Re: T-176 vs T-177 rebuild

My understanding is that gear ratio is the only difference between the two transmissions. I've just torn my T176 (I'm assuming a 176, just like you) apart. You didn't mention if you pulled the input shaft (clutch shaft?) bearing from the case. It basically holds everything inside the case.

The T176 should bolt right where the T150 did, I did the same swap. I'm running the T176/D300 combo in my '78 CJ5, so I don't see any issues for you.

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post #3 of (permalink) Old 07-18-2003, 12:15 PM
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Re: T-176 vs T-177 rebuild

That's the trouble I'm having. The synchos on the input shaft(clutch shaft) are hitting the large gear on the countershaft and I can't pull the input shaft out of the case. There even looks as if a few teeth were left off the syncro to make room.

I was wondering if I have to pull the front bearing off the input shaft first so you would have enough room to lift the shaft up a little to clear the countershaft.

The directions for a T-176 is that you pull the input shaft and fromt bearing out together and then press the bearing off when you get it out of the case. That doesn't seem to be the case here.
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post #4 of (permalink) Old 07-18-2003, 05:03 PM
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Re: T-176 vs T-177 rebuild

Yeah... pull the bearing off the input shaft, and the transmission should fall apart in your hands.

Oh.. and to add to my earlier post... as you stated driveshaft mods are needed for this trans/xfer swap......

.... you might shop around for a floor plate for the trans. I bought mine with the transmission and xfercase......

Good luck.
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