Quest Minivan GXE V6-2960cc 3.0L SOHC MFI (VG30E) (1997)
Valve: Testing and Inspection
VALVE DIMENSIONS
Check dimensions in each valve. When valve head has been worn down to 0.5 mm (0.020 inch) in margin thickness, replace valve. Grinding
allowance for valve stem tip is 0.2 mm (0.008 inch) or less.