Highlander 2WD L4-2.4L (2AZ-FE) (2001)
Maximum Warpage: 0.05 mm (0.002 in.)
4. Inspect the depth of counter bore in head bolt hole.
Using a rule or vernier caliper measure the depth of counter bore.
Maximum Depth: 79.0 mm (3.11 in.)
NOTICE
Replace the cylinder block if the depth of any head bolt hole exceeds the standard.
5. Inspect the cylinder head for flatness.
Using a precision straight edge and a feeler gauge measure the surface contacting the cylinder block and the manifolds for warpage.