Engine Valves: Notes

Fig 1: Identifying Valve

GLL158839

Courtesy of VOLVO CARS OF NORTH AMERICA.

VALVES

Intake
Length (A)........ mm	102.00 ±0.07
Diameter on crown (B)........ mm	31 ±0.15
Diameter on shaft (C)........ mm	5.94 ±0.07
Valve angle (D)........°	45.5 ±0.17
Clearance in guide........μm	50 - 70
Valve clearance........ mm	0.20 ±0.03
Exhaust
Length (A)........ mm	101.05 ±0.07
Diameter on crown (B)........ mm	27 ±0.15
Diameter on shaft (C)........ mm	5.94 ±0.07
Valve angle (D)........°	45.5 ±0.17
Clearance in guide........μm	50 - 70
Valve clearance........ mm	0.40 ±0.03

VALVE SEATS

Seat angle........°

45.5 ±0.17