Valve Dimensions
WARNING: This page is about a different car, the 1999 Volkswagen Jetta, 1998 Volkswagen Jetta, 1997 Volkswagen Jetta, 1996 Volkswagen Passat, and 1996 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Valves must NOT be refaced by grinding. Only lapping by hand is permitted.
VALVE DIMENSIONS - ENGINE CODE AAZ
| Dimension | Intake valve | Exhaust valve |
|---|---|---|
| -a- mm (in.) | 36.0 (1.417) | 31.0 (1.220) |
| -b- mm (in.) | 7.97 (0.3138) | 7.95 (0.3130) |
| -c- mm (in.) | 95.0 (3.740) | 95.0 (3.740) |
| ALPHA ANGLE | 45° | 45° |
VALVE DIMENSIONS - ENGINE CODES 1Z, AHU
| Dimension | Intake valve | Exhaust valve |
|---|---|---|
| -a- mm (in.) | 35.95 (1.415) | 31.45 (1.238) |
| -b- mm (in.) | 7.97 (0.3138) | 7.95 (0.3138) |
| -c- mm (in.) | 96.85 (3.813) | 96.85 (3.813) |
| ALPHA ANGLE | 45° | 45° |