9. REMOVE VALVES
(a) Using SST, compress the valve retainer until the two
keepers can be removed.
SST 09202–43013
(b) Remove the valve keepers, retainer, spring and valve.
(c) Pry out the oil seal.
(d) Using a small screwdriver or magnet, remove the
valve spring seat.
HINT: Keep the valves arranged so they can be ins–
talled in the same order as removed.
INSPECTION, CLEANING AND REPAIR OF
CYLINDER HEAD COMPONENTS
1. CLEAN TOP OF PISTONS AND TOP OF CYLINDER
BLOCK
(a) Turn the crankshaft and bring each piston to top dead
center. Using a gasket scraper, remove all the carbon
from the piston tops.
(b) Using a gasket scraper, remove all gasket material
from the top of the block. Blow carbon and oil from
the bolt holes.
CAUTION: Protect your eyes when using high pressure
sir.
7. MEASURE CAMSHAFT THRUST CLEARANCE
Using a dial gauge, measure the camshaft thrust clearance.
Standard clearance: 0.08 – 0.18 mm
(0.0031–0.0071 in.)
Maximum clearance: 0.25 mm (0.0098 in.)
If clearance is greater than maximum, replace the
head.
8. REMOVE CAM BEARING CAPS AND SHAFT
2. REMOVE GASKET MATERIAL
Using a gasket scraper, remove all gasket material
from the head and manifold surfaces.
NOTICE: Be careful not to scratch the surfaces.
–ENGINE ENGINE MECHANICAL
EG1–21
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