Toyota 2VZ-FE Manual page 10

ENGINE MECHANICAL – Engine Tune–Up
(d) Remove the adjusting shim.
Turn the crankshaft to position the cam lobe of the
camshaft on the adjusting valve upward.
Press down the valve lifter with SST (A), and place
SST (B) between the camshaft and valve lifter.
Remove SST (A).
SST 09248–55011
HINT: Before pressing down the valve lifter, position the notch
toward the spark plug.
Remove the adjusting shim with a small
screwdriver and magnetic finger.
(e) Determine the replacement adjusting shim size by
following the Formula or Charts:
Using a micrometer, measure the thickness of the
removed shim.
Calculate the thickness of a new shim so that the
valve clearance comes within specified value.
Intake
Exhaust
Select a new shim with a thickness as close as
possible to the calculated values.
HINT: Shims are available in seventeen sizes of 0.05 mm
(0.0020 in.), from 2.50 mm (0.0984 in.) to 3.30 mm (0.1299
in.).
(f) Install a new adjusting shim.
Place a new adjusting shim on the valve lifter.
Press down the valve lifter with SST (A), and
remove SST (B).
SST 09248–55011
(g) Recheck the valve clearance.
5. REINSTALL CYLINDER HEAD COVERS
(See step 8 on page EM–56)
6. REINSTALL AIR INTAKE CHAMBER
(See steps 6 to 20 pages
T . . . . . . . Thickness of used shim
A . . . . . . . Measured valve clearance
N . . . . . . . Thickness of new shim
N = T + (A–0.18 mm (0.007 in.))
N = T + (A–0.32 mm (0.013 in.))
FI–33 to 34)
EM-9