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EAS24120
REMOVING THE CYLINDER HEAD
1. Remove:
• Cylinder head bolts
• Cylinder head nuts
TIP
• Loosen the bolts and nuts in the proper se-
quence as shown.
• Loosen each nut 1/2 of a turn at a time. After all
of the nuts are fully loosened, remove them.
EAS24160
CHECKING THE CYLINDER HEAD
1. Eliminate:
• Combustion chamber carbon deposits
(with a rounded scraper)
TIP
Do not use a sharp instrument to avoid damag-
ing or scratching:
• Spark plug bore threads
• Valve seats
2. Check:
• Cylinder head
Damage/scratches → Replace.
• Cylinder head water jacket
Mineral deposits/rust → Eliminate.
3. Measure:
• Cylinder head warpage
Out of specification → Resurface the cylinder
head.
Warpage limit
0.03 mm (0.0012 in)
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MMM
M MMM
M
M MMM
M
a. Place a straightedge "1" and a thickness
gauge "2" across the cylinder head.
b. Measure the warpage.
c. If the limit is exceeded, resurface the cylinder
head as follows.
d. Place a 400–600 grit wet sandpaper on the
surface plate and resurface the cylinder head
using a figure-eight sanding pattern.
TIP
To ensure an even surface, rotate the cylinder
head several times.
L
LLL
L LLL
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L
EAS24240
INSTALLING THE CYLINDER HEAD
1. Install:
• Dowel pins
• Cylinder head gasket
2. Install:
• Cylinder head
TIP
Pass the timing chain through the timing chain
cavity.
3. Tighten:
• Cylinder head nuts "1"
5-16
CYLINDER HEAD
M MMM
M
M MMM
M
M MMM
M
MMM
L LLL
L
L LLL
L
L LLL
L
LLL
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