A SERVICE OF

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ENG
CYLINDER HEAD
EAS00222
REMOVING THE CYLINDER HEAD
1. Remove:
cylinder head bolts
NOTE:
@
Loosen each bolt 1/2 of a turn at a time. After
all of the bolt are fully loosened, remove them.
EAS00229
CHECKING THE CYLINDER HEAD
1. Eliminate:
combustion chamber carbon deposits
(with a rounded scraper)
NOTE:
@
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 cylin-
der head.
▼▼▼ ▼▼▼ ▼▼▼ ▼▼▼ ▼▼▼ ▼▼▼ ▼▼▼
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 cylin-
der head as follows.
Maximum cylinder head warpage
0.1 mm