Valve dimensions
WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
- Intake and exhaust valves must not be refaced by grinding. Only lapping is permitted.
| Dimension |
Intake valve |
Exhaust valve |
| Dia. a |
mm |
33.85 ± 0.10 |
28.0 ± 0.1 |
| Dia. b |
mm |
5.98 ± 0.01 |
5.96 ± 0.01 |
| c |
mm |
104.0 ± 0.2 |
101.9 ± 0.2 |
| α |
∠ ° |
45 |
45 |