LS 400 V8-4.0L (1UZ-FE) (1990)
(b) Turn the crankshaft one revolution (3600), and align the mark as above. (See procedure step 5 (a))
(c) Check only the valves indicated in the figure. Measure the valve clearance.
(See procedure step (a))
6. ADJUST VALVE CLEARANCE
(a) Remove the adjusting shim.
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Turn the crankshaft to position the cam lobe of the camshaft on the adjusting valve upward.
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Press down the valve lifter with SST (A), and place SST (B) between the camshaft and valve lifter flange. Remove SST (A).
SST 09248-55011
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Using compressed air and magnetic finger, remove the adjusting shim by blowing air into the shim hole.
(b) Determine the replacement adjusting shim size following the Formula or Charts: