
4. INSPECT CAMSHAFT HOUSINGS FOR FLATNESS
Using a precision straight edge and feeler gauge, check the surfaces contacting the cylinder head for warpage.
Maximum cylinder head surface warpage:
0.10 mm (0.0039 in.)
If warpage is greater than maximum, replace the housing.
REPLACEMENT OF CAMSHAFT HOUSING OIL SEAL
NOTE: There are two ways of oil seal replacement.
1. IF CAMSHAFT IS REMOVED FROM CAMSHAFT HOUSING:
(a) Remove the oil seal from the camshaft housing.
• Using a screwdriver, pry out the oil seal.
(b) Install the new oil seal on the camshaft housing.
• Apply MP grease to the oil seal.
• Using SST, install the new oil seal.
SST 09214-60010
2. IF CAMSHAFT HOUSING IS INSTALLED ON CYLINDER HEAD:
(a) Cut the oil seal.
• As shown in the figure, cut off the oil seal lips.
(b) Remove the oil seals.
• Using a screwdriver, pry out the oil seal.
NOTE: Be careful not to damage the camshaft. Tape the screwdriver.
(c) Inspect the camshaft.
• Check the contact surface of camshaft oil seal lip for cracks or damage.