Valve Clearance: Adjustments

B: ADJUSTMENT

CAUTION: Adjustment of valve clearance should be performed while engine is cold.





1. Measure all valve clearances.

NOTE: Record each valve clearance after it has been measured.

2. Remove shim from valve lifter.





1. Prepare the ST. Tools and Equipment
ST 18329AA000 SHIM REPLACER





2. Rotate the notch of the valve lifter outward by 45°.





3. Adjust SHIM REPLACER notch to valve lifter and set it.

NOTE: When setting, be careful SHIM REPLACER edge does not touch shim.

4. Tighten bolt (A) and install it to the cylinder head.





5. Tighten bolt (B) and insert the valve lifter.





6. Insert tweezers into the notch of the valve lifter, and take the shim out.





NOTE: By using a magnet (A), the shim (B) can be taken out without dropping it.





3. Measure thickness of shim with micrometer.








4. Select a shim of suitable thickness using measured valve clearance and shim thickness.
5. Set suitable shim selected in step 4) to valve lifter.
6. Inspect all valves for clearance again at this stage. If the valve clearance is not correct, repeat the procedure over again from the first step.
7. After inspection, install the related parts in the reverse order of removal.