Differentiation of reverse gear synchronization rings - A - and 1st/2nd gear - B -
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2007 Audi S4, 2007 Audi RS 4, and 2006 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.
- Synchronizer ring for reverse gear: tabs arrow 1 have a smooth surface.
- Reverse gear intermediate ring: friction surfaces arrow 2 are coated with centered linings (brass colored).
- Reverse gear inner race: has no inner friction surface arrow 3.
- Synchronizer ring for 1st and 2nd gear: tabs have 2 ridges each arrow 4.
- Intermediate ring for 1st and 2nd gear: friction surfaces arrow 5 are coated with carbon (black).
- Inner race for 1st and 2nd gear: inner race arrow 6 is coated with carbon (black).