C30/3500 driveshaft identification - The 1947 - Present Chevrolet & GMC Truck Message Board Network

J01012814 · 10-22-2024, 10:15 PM

Hey everyone, had a question for anyone that may be a 1ton expert.
My '71 GMC SRW needs a new slip yoke for the 2 piece driveshaft and some repairs to the crossmember the center support bearing attaches to. I can find the CSB but not the yoke and it's causing some vibration at around 60mph.
Looking at a lot of pics and period repair manuals hasn't yielded anything quite yet. This truck has been interesting to find parts for with the 9ft bed and whatnot. Thanks for any help! Ignore the mess of an undercarriage it's since been fixed they're just the only pictures I have of the underside from right after I got it several years ago.

10-22-2024, 10:15 PM	#1
J01012814 Registered User Join Date: Apr 2021 Location: Lawrence, Kansas Posts: 11	C30/3500 driveshaft identification Hey everyone, had a question for anyone that may be a 1ton expert. My '71 GMC SRW needs a new slip yoke for the 2 piece driveshaft and some repairs to the crossmember the center support bearing attaches to. I can find the CSB but not the yoke and it's causing some vibration at around 60mph. Looking at a lot of pics and period repair manuals hasn't yielded anything quite yet. This truck has been interesting to find parts for with the 9ft bed and whatnot. Thanks for any help! Ignore the mess of an undercarriage it's since been fixed they're just the only pictures I have of the underside from right after I got it several years ago. Attached Images Last edited by J01012814; 10-22-2024 at 10:21 PM.



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