Valve seats
/
9-3 (9400)
/
2001
/
2. Engine
/
Basic engine, 4-cylinder petrol
/
Adjustment/replacement
/
Valve seats
Valve seats
Use a valve cutter set with T-wrench, locating spindle part no. 83 93 928, valve seat cutters part no. 83 93 936 (60°) and part no. 78 61 040 (45°).
Valve seat angle:
Inlet and exhaust valves: 45.25° ± 0.25
Regrinding angle:
Inlet and exhaust valves: 60°
Valve seat width:
Intake valve: 1.0 - 1.5 mm
Exhaust valve: 1.5 - 2.0 mm