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V90 L6-2.9L VIN 96 B6304S (1998)

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

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Valve Guide: Specifications

Valve Guide

Diameter

Standard (no grooves): 12.0 mm
Oversize No. 1 (one groove): 12.1 mm
Oversize No. 2 (two grooves): 12.2 mm

Clearance (between valve and valve guide).

Max. clearance, new components:

Intake: 0.03-0.06 mm  
Exhaust: 0.04-0.07 mm 

Max. clearance, used components:

Intake: 0.15 mm  
Exhaust: 0.15 mm 

Clearance measured with valve approx. 2-3 mm clear of seat.

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

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