Tacoma Regular Cab 2WD L4-2.4L (2RZ-FE) (2000)
4) Remove the adjusting shim with a small screwdriver and magnetic finger.
b) Determine the replacement adjusting shim size by these Formula or Charts:
1) Using a micrometer, measure the thickness of the removed shim.
2) Calculate the thickness of a new shim so that the valve clearance comes within the 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 inch)
Exhaust: N = T + (A - 0.30 mm (0.012 inch)