Passat L4-1984cc 2.0L DOHC (9A) (1990)
Valve Seat: Service and Repair
Exhaust Valve Seat, Refacing
Exhaust Valve Seat, Refacing
a
= 27.6 mm
b
= maximum permissible refacing dimension
c
= approx. 1.8 mm
Z
= cylinder head lower edge
45° = valve seat angle
30° = upper correcting angle
NOTE: Exhaust valve seats have a notch. When refacing; ensure that the radius of the notch is not disturbed.