V70R AWD L5-2.3L Turbo VIN 52 B5234T6 (1998)
Valve: Specifications
Valve Specifications
Valve Head Diameter:
Intake ......................................................................................................................................................................................... 31.00 mm ± 0.15 mm
Exhaust ....................................................................................................................................................................................... 27.00 mm ± 0.15 mm
Valve Stem Diameter:
Intake ................................................................................................................................................................................ 6.97 mm + 0 or - 0.015 mm
Exhaust ............................................................................................................................................................................. 6.96 mm + 0 or - 0.015 mm
Overall Length:
Intake ....................................................................................................................................................................................... 104.05 mm ± 0.18 mm
Exhaust ..................................................................................................................................................................................... 103.30 mm ± 0.18 mm
Max. Machining Allowance ............................................................................................................................................................................. 0.4 mm
Valve Margin thickness:
Intake/Exhaust .................................................................................................................................................................................................. 1.5 mm
Min. Height After Grinding .............................................................................................................................................................................. 1.2 mm
Sealing Face Angle:
Intake ................................................................................................................................................................................................................... 44.5°
Exhaust ................................................................................................................................................................................................................ 44.5°
Valve Stem Height:
Height ............................................................................................................................................................................................ 48.5 mm ± 0.4 mm
Max. Machining Allowance ............................................................................................................................................................................. 0.4 mm
Clearance Between New Valve and Guide Components:
Intake ..................................................................................................................................................................................................... 0.03-0.06 mm
Exhaust .................................................................................................................................................................................................. 0.04-0.07 mm
Max. Clearance, Used valve and Guide Components:
Intake/Exhaust ................................................................................................................................................................................................ 0.15 mm
NOTE: Valve stem height is measured using gauge tool No. 999 5222, or equivalent, placed in cam bearings, and a suitable vernier caliper.