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XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)

Engine, Cooling and Exhaust > Engine > Cylinder Head Assembly > Valve, Intake/Exhaust > Component Information > Specifications

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Valve: Specifications

Valves 

Valve Crown Diameter (A) 
Inlet................................................................................................................................................................................................................31.00 ± 0.15 mm
Exhaust...........................................................................................................................................................................................................27.00 ± 0.15 mm

Valve Stem Diameter (B) 
Inlet (early versions)..................................................................................................................................................................................6.970 +0/-0.015mm
Inlet (late versions)....................................................................................................................................................................................5.970 +0/-0.015mm

Valve Stem Diameter (B1/B2) 
Exhaust (early versions)
H1 = 22.7 mm

B1 = 6,962 ± 0.007 mm

H2 = 65.1 mm

B2 = 6,954 ± 0.007 mm

Exhaust (late versions)
H1 = 22.7 mm

B1 = 5,962 ± 0.007 mm

H2 = 65.1 mm

B2 = 5954 ± 0.007 mm

Total Valve Length (C) 

Inlet..............................................................................................................................................................................................................102.00 ± 0.07 mm
Exhaust.........................................................................................................................................................................................................101.05 ± 0.07 mm

Disc Edge Height (D) 
Inlet and exhaust.........................................................................................................................................................................................................1.50 mm
Minimum height after grinding...................................................................................................................................................................................1.20 mm

Valve Angle 
Inlet and exhaust.....................................................................................................................................................................................................44.5 degree

Valve Stem Vertical Position 

Engine, Cooling and Exhaust > Engine > Cylinder Head Assembly > Valve, Intake/Exhaust > Component Information > Specifications

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