Chrysler neon 1997 Service Manual page 1236

PL
REMOVAL AND INSTALLATION (Continued)
REMOVAL
(1) Perform fuel system pressure release procedure
before attempting any repairs. Refer to Group 14,
Fuel System.
(2) Disconnect negative battery cable. Drain cool-
ing system. Refer to Group 7, Cooling System.
(3) Remove air cleaner duct and air cleaner, dis-
connect all vacuum lines, electrical wiring and fuel
line from fuel rail and throttle body.
(4) Remove throttle linkage.
(5) Remove accessory drive belts. Refer to Group 7,
Cooling System for procedure.
(6) Remove power brake vacuum hose from intake
manifold.
(7) Raise vehicle and remove exhaust pipe from
manifold.
(8) Remove power steering pump assembly and set
aside.
(9) Disconnect coil pack wiring connector and
remove coil pack from engine.
(10) Remove cam sensor and fuel injectors wiring
connectors.
(11) Remove timing belt and camshaft sprocket.
Refer to procedure outlined in this section.
(12) Remove cylinder head cover.
(13) Remove camshaft and cam follower assem-
blies. Refer to Camshaft Service for removal proce-
dure outlined in this section.
(14) Remove cylinder head bolts.
NOTE: Remove all gasket material from cylinder
head and block. Be careful not to gouge or scratch
the aluminum head sealing surface.
CYLINDER HEAD FLATNESS
FEELER GAUGE
(1) Cylinder head must be flat within 0.1 mm
(0.004 inch) (Fig. 32).
NOTE: Inspect camshaft bearing journals for scor-
ing.
LOCATION OF 110 mm (4.330 in.) BOLTS
Fig. 32 Checking Cylinder Head Flatness
INSTALLATION
(1) Before installing the bolts the threads should
be oiled with engine oil. The 4 short bolts 110 mm
(4.330 in.) are to be installed in positions 7, 8, 9, and
10 (Fig. 33).
(2) Tighten the cylinder
sequence shown in (Fig. 33). Follow the four step pro-
cedure listed below.
• First Bolts 1 thru 6 to 34 N·m (25 ft. lbs.) and
Bolts 7 thru 10 to 28 N·m (20 ft. lbs.)
• Second Bolts 1 thru 6 to 68 N·m (50 ft. lbs.) and
Bolts 7 thru 10 to 28 N·m (20 ft. lbs.)
• Third Bolts 1 thru 6 to 68 N·m (50 ft. lbs.) and
Bolts 7 thru 10 to 28 N·m (20 ft. lbs.)
• Fourth Turn an additional 1/4 Turn, Do not use
a torque wrench for this step.
Fig. 33 Cylinder Head Tightening Sequence
2.0L DOHC ENGINE
STRAIGHT EDGE
head bolts in
9 - 65
this