Supra Liftback L6-2997cc 3.0L DOHC MFI Twin-Turbo (1997)
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Using a feeler gauge, measure the clearance between the valve lifter and camshaft.
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Record the valve clearance measurements of those that are out of specification. They will be used later to determine the required
replacement adjusting shim.
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Valve clearance (Cold):
Intake: 0.15-0.25 mm (0.006-0.010 inch).
Exhaust: 0.25-0.35mm(0.010-0.014 inch).
(b)Turn the crankshaft pulley 1 revolution (360°), and align the groove with timing mark "0" of the No.1 timing belt cover.
(c)Check only the valves indicated as shown.
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Measure the valve clearance as outlined above.
8. Remove the adjusting shim as follows
(a) Turn the camshaft so that the cam lobe for the valve to be adjusted faces up.
(b) Turn the valve lifter with a screwdriver so that the notches are perpendicular to the camshaft.
(c) Using valve lifter press Special Service Tool (SST) No. 09248-55040, or equivalent, (A in illustration), hold the camshaft as shown.
(d) Using SST valve lifter press (A in illustration), press down the valve lifter and place valve lifter stopper SST No. 09248-55040 (B in
illustration) between the camshaft and valve lifter. Remove SST (A).
NOTE: Apply SST valve lifter stopper (B in illustration) at slight angle on the side marked with 7, at the position shown in the
illustration.
