AUDI A4 1997 B5 / 1.G AEB ATW Engines Valvetrain Servicing Repair Manual
Page 51 of 51
15-74
Valve seats, refacing Intake valve seat
Diameter -a- = 26.2 mm (1.031 in.)
Dimension -b- = 1.5-1.8 mm (0.059-0.070 in.)
Z = Cylinder head lower edge
Angle -a- =
45 valve seat angle Angle -b- =
30 upper correction angle Angle -g- =
60 lower correction angle Exhaust valve seat
Diameter -a- = 29.0 mm (1.142 in.)
Dimension -b- = approx. 1.8 mm (0.070 in.)
Z = Cylinder head lower edge
Angle -a- =
45 valve seat angle Angle -b- =
30 upper correction angle Angle -g- =
60 lower correction angle
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11/18/2002 htt
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