toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Valve Clearance|Specifications|Page 1839 > < Valve Clearance|Specifications|Page 1837
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(b) Determine the replacement adjusting shim size according to these 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 the specified value.
T = Thickness of used shim.
A = Measured valve clearance.
N = Thickness of new shim.
Intake: N = T + (A - 0.24 mm (0.009 inch))
Exhaust: N = T + (A - 0.33 mm (0.013 inch))

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Select a new shim with a thickness as close as possible to the calculated value.

Valve Clearance|Specifications|Page 1839 > < Valve Clearance|Specifications|Page 1837