Chrysler Sebring 2005 Service Manual page 1168

JR
CYLINDER HEAD (Continued)
DURE). Be careful not to gouge or scratch the alumi-
num head sealing surface.
Clean all engine oil passages.
INSPECTION
(1) Cylinder head must be flat within 0.1 mm
(0.004 in.) (Fig. 12).
(2) Inspect camshaft bearing journals for scoring.
Fig. 12 Checking Cylinder Head Flatness
1 - FEELER GAUGE
2 - STRAIGHT EDGE
(3) Remove carbon and varnish deposits from
inside of valve guides with a reliable guide cleaner.
(4) Using a small hole gauge and a micrometer,
measure valve guides in 3 places top, middle and bot-
tom (Fig. 13). (Refer to 9 - ENGINE - SPECIFICA-
TIONS) Replace guides if they are not within
specification.
(5) Check valve guide height (Fig. 14).
Fig. 13 Checking Wear on Valve Guide—Typical
1 - TOP
2 - MIDDLE
3 - BOTTOM
4 - CUT AWAY VIEW OF VALVE GUIDE MEASUREMENT
LOCATIONS
Fig. 14 Valve Guide Height
1 - VALVE GUIDE
2 - 13.25 - 13.75 MM (0.521 - 0.541 IN.)
3 - SPRING SEAT
INSTALLATION - CYLINDER HEAD
NOTE: The Cylinder head bolts should be examined
BEFORE reuse. If the threads are necked down, the
bolts must be replaced (Fig. 15).
Necking can be checked by holding a scale or
straight edge against the threads. If all the threads
do not contact the scale, the bolt should be replaced.
Fig. 15 Checking Bolts for Stretching (Necking)
1 - STRETCHED BOLT
2 - THREADS ARE NOT STRAIGHT ON LINE
3 - THREADS ARE STRAIGHT ON LINE
4 - UNSTRETCHED BOLT
(1) Before installing the bolts, the threads should
be coated with engine oil.
(2) Position cylinder head gasket on block.
(3) Install cyllinder head on block.
(4) On N o n -P ZEV e qu ip e d engines tighten the
cylinder head bolts in the sequence shown in (Fig.
16). Using the 4 step torque turn method, tighten
according to the following values:
• First: All to 34 N·m (25 ft. lbs.)
• Second: All to 68 N·m (50 ft. lbs.)
• Third: All to 68 N·m (50 ft. lbs.)
ENGINE 2.4L DOHC 9 - 99