Landcruiser 4WD L6-4.5L (1FZ-FE) (1993)
(b) Determine the replacement adjusting shim size by following the Formula or Charts:
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Using a micrometer, measure the thickness of the removed shim.
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Calculate the thickness of a new shim so that the valve clearance comes within specified value.
T.....Thickness of removed shim
A.... Measured valve clearance
N.....Thickness of new shim
Intake:N=T + (A - 0.20 mm (0.008 in.))
Exhaust:N=T + (A -0.30 mm (0.012 in.))
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Select a new shim with a thickness as close as possible to the calculated value.