TSRM/MK2 Supra/Repair Manual
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EM/Engine Mechanical, page 31

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Engine Mechanical — MK2 Supra Engine Mechanical, page 31
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Page text (OCR transcript)
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.