Head Warpage Limit

DOHC CYLINDER HEAD MAXIMUM WARPAGE

NOTICE: Be careful not to scratch the cylinder block aluminum surface when installing cylinder head.






1. Inspect top of cylinder block for flatness. Using a precision straight edge and feeler gage, measure the surfaces contacting the cylinder head gasket for warpage.

Maximum Warpage:
Transverse:
Standard: 0.03 mm (0.0012 in.)
Service Limit: 0.05 mm (0.002 in.) max.
Longitudinal:
Standard: 0.07 mm (0.0028 in.)
Service Limit: 0.10 mm (0.004 in.) max.