Corolla Sedan 4-Door L4-1587cc 1.6L DOHC MFI (1997)
d. Remove the adjusting shim with a small screwdriver and magnetic finger.
2. Determine replacement adjusting shim size by following the formula below.
a. Using a micrometer, measure the thickness of the removed shim.
b. Calculate the thickness of a new shim so that the valve clearance comes with in the specified value.
(1) GT - Thickness of removed shim
(2) A - Measured valve clearance
(3) N - Thickness of new shim
(4) Exhaust: N = T + (A - 0.30 mm (0.012 inch))
c. Select a new shim with a thickness as close as possible to the calculated value.
NOTE: Shims are available in 16 sizes in increments of 0.05 mm (0.0020 inch), from 2.55 mm (1.0039 inch) to 3.30 mm (0.1299 inch).
3. Install new adjusting shim as follows:
a. Place a new adjusting shim on the valve lifter.
b. Using (A), press down the valve lifter and remove (B).
4. Recheck valve clearance.
