Determine The 4TH Gear Wheel Locking Ring.

WARNING: This page is about a different car, the 2010 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