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Old 12-03-2013, 06:02 AM   #1
gmc 2500 4x4
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separating sm465 from t221 transfer case

im wanting to separate my 465 from the t/case. my book tells me just unbolt and just slide the t/c back. i want to ask here first if indeed thats all it takes? i need to seal up the front and rear adapter. thanx, paul
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Old 12-03-2013, 11:34 AM   #2
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Re: separating sm465 from t221 transfer case

yup, that's it. now would be a good time to check the wear on the trans/t-case output and input shafts and the coupler.
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Old 12-03-2013, 06:13 PM   #3
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Re: separating sm465 from t221 transfer case

thanx!!
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Old 12-04-2013, 12:29 AM   #4
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Re: separating sm465 from t221 transfer case

There is a cover on the side with 2 bolts. You have to remove that cover to access the 2 adapter bolts INSIDE the adapter. Hey, by the way, I'm a feet dragger.
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Old 12-04-2013, 06:24 AM   #5
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Re: separating sm465 from t221 transfer case

-Jeremy, my book tells me this, thanx....let me know bout them parts lol
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Old 12-04-2013, 06:11 PM   #6
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Re: separating sm465 from t221 transfer case

snj8198, all looks good!
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Old 12-04-2013, 08:30 PM   #7
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Re: separating sm465 from t221 transfer case

good to hear! you're on your way.

stay warm out there. it ain't here.
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Old 12-08-2013, 03:48 PM   #8
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Re: separating sm465 from t221 transfer case

i did find a few places with rebuild kits for this t/c, 1 place 315.00, another 249.00. good grief.
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Old 12-25-2013, 08:52 AM   #9
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Re: separating sm465 from t221 transfer case

anyone have a spare coupler let me know, everything else looked fine
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Old 01-07-2014, 08:15 AM   #10
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Re: separating sm465 from t221 transfer case

IIRC, a coupler from a 205 will fit. But if the coupler looks bad, then the input or output shaft is also bad.
But yeah rebuild kits for these are not cheap. It cost me less to swap over to a 205, but i miss my old 221.
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Old 01-07-2014, 10:55 AM   #11
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Re: separating sm465 from t221 transfer case

I have a nice coupler from a NP205 / SM465, but it's a little longer. I believe it's about 4-1/4". It's a GM part I bought from a dealership, but it got very little use. If this will work for you, let me know.

Gary
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