One piece drive shaft install - The 1947 - Present Chevrolet & GMC Truck Message Board Network

OlSmokey · 10-27-2015, 05:10 PM

I am having a lot of trouble getting the drive shaft in the trans. i have a th350 and i know all the measurements are right, but I can't get the yolk to line up perfectly with the transmission because it's going back and hitting the linkage at the differential. so i can't rotate it to get in the right angle. any suggestions or tricks?

*Fitz* · 10-28-2015, 01:43 PM

Quote:

Originally Posted by OlSmokey

I am having a lot of trouble getting the drive shaft in the trans. i have a th350 and i know all the measurements are right, but I can't get the yolk to line up perfectly with the transmission because it's going back and hitting the linkage at the differential. so i can't rotate it to get in the right angle. any suggestions or tricks?

Put the rear on jackstands so you can turn the diff input shaft. The drive shaft should be 1/2 inch SHORTER than the distance from the transmission rear seal to the yoke on the diff as shown in the drawing. If it is, just slip the trans yoke in, rotate the diff until it matches, slide the shaft back to get the bearing cups into the saddles and bolt on the retainers. If it is the SAME length as the distance B6 in the drawing or just a bit longer, your driveshaft is too long and will need to be shortened and re-balanced.

GASoline71 · 10-28-2015, 01:54 PM

With the transmission in Neutral slide the yoke all the way onto the output shaft splines.

Since the transmission is in neutral you can rotate the shaft any way you need it. Then rotate it until the bearing cups line up with the saddles on the rear end yoke and slide the drive shaft rearwards into the saddles.

If you still can't get the drive shaft into the rear saddles... then like stated above, your dive shaft is too long.

Gary

OlSmokey · 10-28-2015, 10:56 PM

oh wow, i didn't get any notification that there were responses. but thank you both for the responses I will try both of those things tomorrow!

396C-10 · 09-18-2016, 04:08 AM

Quote:

Originally Posted by OlSmokey

oh wow, i didn't get any notification that there were responses. but thank you both for the responses I will try both of those things tomorrow!

7 years later??? LOL!

Gmc.guy · 09-18-2016, 09:35 AM

Quote:

Originally Posted by 396C-10

7 years later??? LOL!

Looks like you are almost 1 year later -- LOL

OlSmokey · 09-18-2016, 12:55 PM

Yeah, almost a year later and I've been driving it good, and i did end up having to get the driveshaft shortened like .75" haha

10-27-2015, 05:10 PM	#1
OlSmokey Registered User Join Date: Jul 2014 Location: Phoenix Posts: 114	One piece drive shaft install I am having a lot of trouble getting the drive shaft in the trans. i have a th350 and i know all the measurements are right, but I can't get the yolk to line up perfectly with the transmission because it's going back and hitting the linkage at the differential. so i can't rotate it to get in the right angle. any suggestions or tricks?

10-28-2015, 10:56 PM	#4
OlSmokey Registered User Join Date: Jul 2014 Location: Phoenix Posts: 114	Re: One piece drive shaft install oh wow, i didn't get any notification that there were responses. but thank you both for the responses I will try both of those things tomorrow!

09-18-2016, 12:55 PM	#7
OlSmokey Registered User Join Date: Jul 2014 Location: Phoenix Posts: 114	Re: One piece drive shaft install Yeah, almost a year later and I've been driving it good, and i did end up having to get the driveshaft shortened like .75" haha



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