Toyota Camry Manual page 2122

Installed shim thickness
mm (in.)
Measured clearance
mm (in.)
Adjusting Shim Selection Chart (Exhaust)
Exhaust valve clearance (Cold):
0.25 – 0.35 mm (0.010 – 0.014 in.)
EXAMPLE: The 2.800 mm (0.1102 in.) shim is installed, and
the measured clearance is 0.450 mm (0.0177 in.).
Replace the 2.800 mm (0.1102 in.) shim with a new No.12 shim.
New shim thickness mm (in.)
Shim Shim
Thickness Thickness
No. No.
HINT: New shims have the thickness in
millimeters imprinted on the face.