Determine The 4TH Gear Wheel Locking Ring.

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2016 Audi S5, 2015 Audi S5, 2014 Audi S5, 2013 Audi A5, and 2012 Audi A5. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Determining Thickness Of Circlip

Courtesy of AUDI OF AMERICA, LLC

The gear wheel is installed all the way.

NOTE:

The 4th gear wheel locking ring is determined the same as with the synchronizer hub.

-- Determine thickest circlip which can still just be installed and insert it. For the part number.

The following locking rings are available:

Locking Ring Thickness (mm)
2.35	2.41	2.47
2.38	2.44	2.50