Changing column in my 77 C10 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

77c10 · 06-22-2017, 08:33 AM

Fellas,

Does anyone know of a reason why an automatic non-tilt column from a 1976 c10 would work in my 1977 C10? The problem seems to be where the intermediate shaft hooks to the bottom of the column. The splines on the 76 column aren't as long as the ones from my old 77 column. Therefore the intermediate shaft won't slide on the splines far enough for the bolt to go through the U clamp that holds the two pieces together.

Not sure if that makes sense or not. If not, I'll take to some pictures tonight.

Thanks

ray_mcavoy · 06-22-2017, 07:09 PM

They should both be the same.

However, these steering columns have a telescopic collapsible shaft (same idea as the telescopic section of the intermediate shaft). So if the 76 column was dropped or bumped hard enough on it's end, it could have pushed the shaft in a bit.

06-22-2017, 08:33 AM	#1
77c10 Registered User Join Date: Aug 2011 Location: Gallatin, TN Posts: 782	Changing column in my 77 C10 Fellas, Does anyone know of a reason why an automatic non-tilt column from a 1976 c10 would work in my 1977 C10? The problem seems to be where the intermediate shaft hooks to the bottom of the column. The splines on the 76 column aren't as long as the ones from my old 77 column. Therefore the intermediate shaft won't slide on the splines far enough for the bolt to go through the U clamp that holds the two pieces together. Not sure if that makes sense or not. If not, I'll take to some pictures tonight. Thanks __________________ 77 C10, 6.0LS/4L80E, 3:73 12 bolt. Boss 338's 20" x 10" w/ 285/50/20 rear. 20" x 8.5" w/ 245/40/20 front. Vintage Air. Full Autometer gauges recessed in factory bezel (Thanks bigblock73!) Gm Storm Grey Metallic paint "Cool ain't ever cheap and cheap ain't ever cool"

06-22-2017, 07:09 PM	#2
ray_mcavoy Registered User Join Date: Nov 2009 Location: Sherman, ME Posts: 2,354	Re: Changing column in my 77 C10 They should both be the same. However, these steering columns have a telescopic collapsible shaft (same idea as the telescopic section of the intermediate shaft). So if the 76 column was dropped or bumped hard enough on it's end, it could have pushed the shaft in a bit.



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