Toyota Supra 1990 Manual page 83

SST
ENGINE MECHANICAL - Cylinder Head EM-51
EM2956
EM5928
EM0050 EM2957
ASSEMBLY OF CYLINDER HEAD
(See pages EM-32. 43)
HINT:
• Thoroughly clean all parts to be assembled.
• Before installing the parts, apply new engine oil to all
sliding and rotating surfaces.
• Replace all gaskets and oil seals with new ones.
1. INSTALL VALVES
2.
(a) Insert the valves in the cylinder head valve guide bush-
ing. Make sure the valves are installed in correct order.
(bl Using SST, install new oil seals on the valve guide
bushings.
SST 09201-41020
(c) Install spring seats, springs and spring retainers.
(d) Using SST, compress the valve retainers and place
two keepers around the valve stem.
SST 09202-70010
(e)
Tap the stem lightly to assure proper fit.
INSTALL VALVE LIFTERS WITH SHIMS
Check that the valve lifters rotates smoothly by hand.
3. INSTALL CAMSHAFTS AND OIL SEALS
(a) Apply engine oil to the lip of a new oil seal.
(b) Install the oil seal to the camshaft.