Cylinder Head - Toyota 4-Runner 1985 Repair Manual

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ENGINE MECHANICAL -
Cylinder Head
EM-25
M5456
16. INSPECT INTAKE AND EXHAUST MANIFOLDS
Using a precision straightedge and feeler gauge, check the
surfaces contacting the cylinder head for warpage. If war-
page is greater than maximum, replace the manifold.
Maximum intake warpage: 0.20 mm (0.0079 in.)
Maximum exhaust warpage:
0.70
mm
(0.0276
in.)
ASSEMBLY OF CYLINDER HEAD
(See page EM-12)
NOTE:
• 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 parts.
1. INSTALL VALVES
(a) Lubricate and insert valves in the cylinder head valve
guides. Make sure the valves are installed in the cor-
rect order.
(b) Install the valve spring seats and seals.
(c) Install springs and spring retainers on the valves.
(d) Using SST, compress valve retainers and place two
keepers around the valve stem.
SST 09202-43013
(e) Tap the stem lightly to assure proper fit.