Aerio L4-2.3L (2006)
8) Using special tool (Valve lifter), compress valve spring and fit two valve cotters (1) into groove in valve stem.
Special Tool
(A): 09916-14510
(B): 09916-14910
(C): 09919-28610
(D): 09916-84511
9) Install intake manifold, injectors, exhaust manifold and water outlet cap to cylinder head.
Valves and Cylinder Head Inspection
Valve Guides
Using a micrometer and bore gauge, take diameter readings on valve stems and guides to check stem-to-guide clearance.
Be sure to take reading at more than one place along the length of each stem and guide.
If clearance exceeds limit, replace valve and valve guide.
Valve stem and valve guide
Valve stem diameter
In
Standard .......................................................................................................................................... 5.965 - 5.980 mm (0.2348 - 0.2354 inch)
Ex .................................................................................................................................................... 5.940 - 5.955 mm (0.2339 - 0.2344 inch)
Valve guide I.D.
In & Ex
Standard .......................................................................................................................................... 6.000 - 6.012 mm (0.2362 - 0.2366 inch)
Stem-to-guide clearance
In
Standard 0.020 - 0.047 mm (0.0008 - 0.0018 inch)
Limit ............................................................................................................................................................................ 0.07 mm (0.0027 inch)
Ex
Standard ............................................................................................................................................ 0.045 - 0.072 mm (0.0018 - 0.0028 inch
Limit ............................................................................................................................................................................ 0.09 mm (0.0035 inch)
Valves
^
Remove all carbon from valves.
^
Inspect each valve for wear, burn or distortion at its face and stem and, as necessary, replace it.
^
Measure thickness (1) of valve head. If measured thickness exceeds limit, replace valve.
Valve specification
