Drivetrain Axle & Tranny Spline Compatibility
Joined: Dec 2008
Posts: 1,399
Likes: 11
From: Triad Area, NC
Axle & Tranny Spline Compatibility
Does anyone know if R53 axles are interchangeable among various model years? My research via RealOEM and ECS Tuning shows all axles are the same (both left and right).
However, I have replaced the original manual tranny of my 2003 R53 with a 2005 manual R53 tranny, and axle splines do not engage with tranny splines (axles do not go in.) Visual inspection indicates that the teeth on the 2003 axles have "square" spline shoulders, whereas the tranny splines seem to have "tapered" shoulders.
Any info or insight would be much appreciated.
Bahman
You can email me at bahmoni1@gmail.com
However, I have replaced the original manual tranny of my 2003 R53 with a 2005 manual R53 tranny, and axle splines do not engage with tranny splines (axles do not go in.) Visual inspection indicates that the teeth on the 2003 axles have "square" spline shoulders, whereas the tranny splines seem to have "tapered" shoulders.
Any info or insight would be much appreciated.
Bahman
You can email me at bahmoni1@gmail.com
6th Gear
Joined: Nov 2004
Posts: 2,607
Likes: 316
From: Arnold, MO.
This probably won't give you what your looking for, and I'm guessing they were both 6 speeds since you didn't mention it, and 5 speed to 6 speed would be completely different transmissions, but... I'm guessing what your running into is Facelift -vs- pre-Facelift transmissions, so you will probably need a set of Facelift axles as well.
But that's just a guess.
I don't think open -vs- LSD were different with the same ratio transmissions.
But that's just a guess.
I don't think open -vs- LSD were different with the same ratio transmissions.
Last edited by BlwnAway; Jun 6, 2018 at 12:41 AM.
Joined: Dec 2008
Posts: 1,399
Likes: 11
From: Triad Area, NC
All R53 manuals are 6-speed Getrag except for gear ratios for post-facelift years.
As my post states, Realoem and ECS Tuning show the same axle part numbers for all R53 6-spd manual trannies.
I will check with local dealer using VINs for both cars to see if indeed there are any differences.
Thanks fir for your input and suggestions.
I will I’ll update the post if I find out more.
As my post states, Realoem and ECS Tuning show the same axle part numbers for all R53 6-spd manual trannies.
I will check with local dealer using VINs for both cars to see if indeed there are any differences.
Thanks fir for your input and suggestions.
I will I’ll update the post if I find out more.
6th Gear
Joined: Nov 2004
Posts: 2,607
Likes: 316
From: Arnold, MO.
All R53 manuals are 6-speed Getrag except for gear ratios for post-facelift years.
As my post states, Realoem and ECS Tuning show the same axle part numbers for all R53 6-spd manual trannies.
I will check with local dealer using VINs for both cars to see if indeed there are any differences.
Thanks fir for your input and suggestions.
I will I’ll update the post if I find out more.
As my post states, Realoem and ECS Tuning show the same axle part numbers for all R53 6-spd manual trannies.
I will check with local dealer using VINs for both cars to see if indeed there are any differences.
Thanks fir for your input and suggestions.
I will I’ll update the post if I find out more.
Your absolutely right, it is very confusing if everything is OEM.
Good Luck
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