Head Warpage Limit
DOHC CYLINDER HEAD MAXIMUM WARPAGENOTICE: 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.