67 - 72 cross shaft seals? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**DA68** · 08-16-2010, 01:06 PM

I thought I could just buy the seals, but everyone wants to sell me a kit with new shafts, caps/nuts and the seals. Does anyone just sell a seal? My shafts are in great shape and can't justify the $30 for a total kit.

**Clyde65** · 08-16-2010, 05:23 PM

I was told that because of the torture the shafts go through, it is highly advisable to replace. I replaced after my "senior" mechanic friend told me it would be best.

skoffice · 08-16-2010, 09:04 PM

It probably would be better to replace the whole shafts, but you can buy the seals from LMC Truck. I got just the seals for my '64 uppers though and they weren't a very good fit. Shoulda just done the whole assembly.

**DA68** · 08-18-2010, 12:00 PM

Thanks for the input guys. Hard to believe a 1.5" diameter shaft could need replacing, but it is 40+ yrs. old.

raycow · 08-19-2010, 06:58 PM

Quote:

Originally Posted by DA68

Thanks for the input guys. Hard to believe a 1.5" diameter shaft could need replacing, but it is 40+ yrs. old.

It's easy enough to check the wear on the threads. Clean off all the grease, screw on the bushings, and try to wiggle them.

Ray

08-16-2010, 01:06 PM	#1
DA68 Registered User Join Date: Oct 2006 Location: Ohio Posts: 967	67 - 72 cross shaft seals? I thought I could just buy the seals, but everyone wants to sell me a kit with new shafts, caps/nuts and the seals. Does anyone just sell a seal? My shafts are in great shape and can't justify the $30 for a total kit.

08-16-2010, 05:23 PM	#2
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,546	Re: 67 - 72 cross shaft seals? I was told that because of the torture the shafts go through, it is highly advisable to replace. I replaced after my "senior" mechanic friend told me it would be best. __________________ Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 *support our troops!*

08-16-2010, 09:04 PM	#3
skoffice Registered User Join Date: Apr 2007 Location: Elk Grove, CA Posts: 375	Re: 67 - 72 cross shaft seals? It probably would be better to replace the whole shafts, but you can buy the seals from LMC Truck. I got just the seals for my '64 uppers though and they weren't a very good fit. Shoulda just done the whole assembly. __________________ 1964 C10 Shortened Shortbed Cammed LQ9 P&P 1967 C10 Trophy Truck BB 438 (soon to be worked on again) Last edited by skoffice; 08-16-2010 at 09:04 PM.

08-18-2010, 12:00 PM	#4
DA68 Registered User Join Date: Oct 2006 Location: Ohio Posts: 967	Re: 67 - 72 cross shaft seals? Thanks for the input guys. Hard to believe a 1.5" diameter shaft could need replacing, but it is 40+ yrs. old.



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