volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Valve Spring > < Valve Guide|Specifications|Page 1982
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Valve Seat: Specifications

Valve Stem Height 

Height: 48.5 mm ± 0.4 mm
Max. Machining Allowance: 0.4 mm

Valve Seats (Reconditioned) 

Angles: 

Sealing Face Angle: 45°
Relief Angle, Upper, Intake: 15°
Relief Angle, Upper, Exhaust: 15°
Relief Angle, Lower: 60°

Valve Seat Width: (a) 

Intake: 1.4-1.8 mm
Exhaust: 1.8-2.2 mm

Valve Spring > < Valve Guide|Specifications|Page 1982