Drive Shaft Coupler to Differential Flange Alignment - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

2010BlackCamaroSS · 10-12-2021, 02:29 AM

Hey guys. I'm hoping some of you can set my mind at ease regarding this issue.

I removed my rear diff to do a gear swap, but I didn't mark the drive shaft coupler and differential flange to ensure I put them back together the same way they came apart. Will this cause any issues if I don't have the same holes lined up when I put it back together? Vibrations, etc.?

Thanks to everyone in advance for your help.

fz4k98 · 10-12-2021, 07:27 AM

If it is a stock driveshaft probably will not be an issue. An aftermarket shaft is almost always balanced together and could be an issue. The fix is pretty easy, just drive it and if no vibration your good. If it vibrates undo it, rotate it one hole and try again until vibration is gone.

oldman14ss · 10-30-2021, 08:19 PM

if you have to change it mark it this time will ya ? had to do that. the oldman............

AlanRubin · 10-31-2021, 12:16 AM

It lines up with the trans tail-shaft flange.

The "Y" portion of the shaft matches the rear, so if you are looking at the
trans tail, and see "Y", then it will be the same at the differential. IT can be
upside down, or sideways, the "Y" match it up as long as you did not turn the
froward portion of the shaft, and left it stationary.

I just did a complete SS cradle swap. I turned the LABEL of the forward shaft
facing down, and noted where where the three prongs were, and position of the
u-joints. So, when I put the SS rear portion on, I positioned its U-joints the same
way.

Black_SS10 · 10-31-2021, 10:51 AM

The rubber couplers? The position doesn't matter as long as the correct holes are aligned. Even marking the diff isn't necessary, as it also isn't balanced with the shaft.

2010BlackCamaroSS · 11-02-2021, 08:46 PM

Quote:

Originally Posted by Black_SS10

The rubber couplers? The position doesn't matter as long as the correct holes are aligned. Even marking the diff isn't necessary, as it also isn't balanced with the shaft.

This is what I was hoping to hear.
Thanks.

2010BlackCamaroSS · 01-30-2022, 05:26 PM

I got everything back together now. No vibrations. Either I'm lucky, or it doesn't matter.

10-12-2021, 02:29 AM	#1
2010BlackCamaroSS Drives: 2010 Camaro 2SS/RS - L99 Join Date: Jun 2021 Location: MS Posts: 128 View My Garage	Drive Shaft Coupler to Differential Flange Alignment Hey guys. I'm hoping some of you can set my mind at ease regarding this issue. I removed my rear diff to do a gear swap, but I didn't mark the drive shaft coupler and differential flange to ensure I put them back together the same way they came apart. Will this cause any issues if I don't have the same holes lined up when I put it back together? Vibrations, etc.? Thanks to everyone in advance for your help.

10-31-2021, 10:51 AM	#5
Black_SS10 SomeguyK Drives: 2010 Black 2SS/RS Join Date: Nov 2014 Location: FL Posts: 1,947	The rubber couplers? The position doesn't matter as long as the correct holes are aligned. Even marking the diff isn't necessary, as it also isn't balanced with the shaft. __________________ TMS 427, Dart iron Block, Forged assembly, Frankenstien heads, AGP TT 62/62 BB turbo's, AGP/Fore triple fuel system, Tilton clutch, Holley 1 7/8 shorties, Technostalgia tail lights,Oracle, Aeroforce, MGW shifter,Flowmaster, Pegasus subframe bushings,BMR trailing & toe arms,Z28 UCA bushings,Zl1 rear sway bar,Prothane,BMR,Goodridge brake lines,Ridetech HQ coilovers,3.91,Trutrac,billet caps,DSS axles,HE offest,built TR6060,1LE diffuser,Havoc spoiler,SSclones,20in MRR 017, Pirelli P Zero, Nitto NT555RII More to come.

10-12-2021, 07:27 AM	#2
fz4k98 Drives: 2013 1ss Join Date: Jul 2012 Location: WI. Posts: 520	If it is a stock driveshaft probably will not be an issue. An aftermarket shaft is almost always balanced together and could be an issue. The fix is pretty easy, just drive it and if no vibration your good. If it vibrates undo it, rotate it one hole and try again until vibration is gone.

10-30-2021, 08:19 PM	#3
oldman14ss Drives: 2014 1ss camaro Join Date: Jul 2017 Location: missouri Posts: 705	if you have to change it mark it this time will ya ? had to do that. the oldman............

10-31-2021, 12:16 AM	#4
AlanRubin Banned Drives: 2010 LS Join Date: Feb 2021 Location: Pgh Posts: 411	It lines up with the trans tail-shaft flange. The "Y" portion of the shaft matches the rear, so if you are looking at the trans tail, and see "Y", then it will be the same at the differential. IT can be upside down, or sideways, the "Y" match it up as long as you did not turn the froward portion of the shaft, and left it stationary. I just did a complete SS cradle swap. I turned the LABEL of the forward shaft facing down, and noted where where the three prongs were, and position of the u-joints. So, when I put the SS rear portion on, I positioned its U-joints the same way.

01-30-2022, 05:26 PM	#7
2010BlackCamaroSS Drives: 2010 Camaro 2SS/RS - L99 Join Date: Jun 2021 Location: MS Posts: 128 View My Garage	I got everything back together now. No vibrations. Either I'm lucky, or it doesn't matter.