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11-23-2008, 05:51 PM
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#1 |
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Registered User
Join Date: May 2008
Location: cali
Posts: 43
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sm465 main shaft and coupler
well i ordered a main shaft for a sm465 and a new 10 spline coupler from tbtrans.com... i got my order in a couple days and happy with there service.... the shaft was interesting to change... had to use a shop press and took me a weekend to change all this... now my truck drives alot better... heres a few pics...
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11-23-2008, 05:54 PM
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#2 |
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Registered User
Join Date: May 2008
Location: cali
Posts: 43
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Re: sm465 main shaft and coupler
heres the coupler.. the tranny side was trashed but the tcase side is ok..
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11-23-2008, 07:45 PM
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#3 |
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Registered User
Join Date: Aug 2002
Location: New Hampshire
Posts: 141
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Re: sm465 main shaft and coupler
I'll be looking into this soon.... I guess you didn't have a hardtime figuring out which end was toast!
How difficult was changing the main shaft?
__________________
72 GMC Jimmy, 350, sm465 np205 (getting a face lift) 64 Nova SS, 327 SC & gassed, TH350. (blowed it up) 84 HD FX frame,80 FL tins, evo with 85hp/90tq (wifes bike) 96 HD FatBoy evo with 102hp/100tq (mine!) KEEP NOTHING STOCK! |
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11-23-2008, 08:08 PM
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#4 |
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Registered User
Join Date: May 2008
Location: cali
Posts: 43
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Re: sm465 main shaft and coupler
it wasnt too hard to change.. but you do need a press to get the bushings off... as long as you keep the gears in the order they came off its not too bad...the parts for the main shaft and coupler were 150 bucks... as you could see my splines were going to break soon... the only way to tell which side is worn is to pull the tranny and look... and this is the second tranny and coupler i had do this so it must be common... i replaced the tranny before cause it had the same damage... but i didnt look at the coupler before i installed... could have saved some time..
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11-24-2008, 11:57 AM
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#5 |
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Senior Member
 Join Date: Mar 2003
Location: Colfax-California
Posts: 8,465
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Re: sm465 main shaft and coupler
Did you pack the splines with grease befroe reinstalling?
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11-24-2008, 01:06 PM
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#6 |
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Post Whore
Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,683
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Re: sm465 main shaft and coupler
Wow, those are really worn! Glad you got it fixed before it left you stranded.
__________________
1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14 |
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11-24-2008, 06:35 PM
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#7 |
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Registered User
Join Date: May 2008
Location: cali
Posts: 43
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Re: sm465 main shaft and coupler
actually yes i did pack them with grease before install... i read on this site somewhere that it was a good idea...
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