Chrysler Stratus Convertible. Manual — part 373

INSTALLATION

CAUTION: When cleaning cylinder head surfaces,
DO NOT use a metal scraper because the surfaces
could be cut or ground, Use ONLY a wooden or
plastic scraper.

(1) Clean surfaces of cylinder head and block.

Install new head gasket over locating dowels.

(2) Install cylinder head on locating dowels.

(3) Install 10 mm Allen hex head bolts with wash-

ers.

CAUTION: Attach the head bolt washer in the direc-
tion shown in (Fig. 54).

(4) Tighten cylinder head bolts using the following

procedure:

(a) Tighten cylinder head bolts in sequence (Fig.

55) to 108 N·m (80 ft. lbs.).

Fig. 52 Cylinder Head Components

1 – CYLINDER HEAD COVER
2 – BREATHER HOSE
3 – GASKET
4 – PCV VALVE
5 – OIL FILLER CAP
6 – GASKET
7 – CYLINDER HEAD COVER
8 – CAMSHAFT THRUST CASE
9 – CAMSHAFT (LEFT SIDE)
10 – O-RING
11 – EXHAUST ROCKER ARM SHAFT
12 – EXHAUST ROCKER ARM
13 – HYDRAULIC LASH ADJUSTER
14 – SPRING RETAINER
15 – LOCKS
16 – CAP
17 – VALVE

18 – SPRING SEAT
19 – VALVE STEM SEAL
20 – SPRING
21 – SEAL
22 – HEAD GASKETS
23 – WASHER
24 – SEAL
25 – CYLINDER HEAD BOLT
26 – SEAL
27 – CAP
28 – SPRING
29 – CAP
30 – SEAL
31 – INTAKE ROCKER ARMS
32 – INTAKE ROCKER ARM SHAFT
33 – CAMSHAFT (RIGHT SIDE)

JX

ENGINE

9 - 33

REMOVAL AND INSTALLATION (Continued)

(b) Loosen all bolts fully.
(c) Retighten cylinder head bolts in sequence

(Fig. 55) to 108 N·m (80 ft. lbs.).

(5) Install

bolts

attaching

thermostat

housing

assembly to cylinder head.

(6) Install distributor. Refer to Group 8D, Ignition

System for procedure.

(7) Install rocker arm assemblies and cylinder

head covers. Refer to procedure in this section.

(8) Install camshaft sprockets and timing belt.

Refer to procedures in this section.

(9) Install lower and upper intake manifold. Refer

to procedure in this section.

(10) Install exhaust cross-under pipe and connect

exhaust system to manifold flange.

(11) Fill cooling system. Refer to Group 7, Cooling

System for procedure.

ROCKER ARM AND HYDRAULIC ADJUSTER

REMOVAL

(1) Remove cylinder head cover(s). Refer to proce-

dure in this section.

(2) Identify the rocker arm shaft assemblies before

removal.

(3) Install auto lash adjuster retainers, Special

Tool MD-998443 onto rocker arms (Fig. 56). These
retainers hold the lash adjusters into position when
the rocker arms are serviced.

(4) Loosen the attaching fasteners. Remove rocker

arm shaft assemblies from cylinder head.

(5) Mark

rocker

arm/hydraulic

lash

adjuster

assemblies for reassembly in their original position.
Remove rocker arm/hydraulic lash adjuster assembly.
Lash adjusters are serviced as an assembly with the
rocker arm (Fig. 57).

NOTE: The automatic lash adjusters are precision
units installed in machined openings in the valve
actuating ends of the rocker arms. Do not disas-
semble the auto lash adjuster.

Fig. 53 Spark Plug Tube Seal

1 – SEALS
2 – SPARK PLUG TUBE

Fig. 54 Cylinder Head Bolt Washer

Fig. 55 Cylinder Head Bolt Tightening Sequence

1 – CYLINDER HEAD BOLT AND WASHER
2 – 10 mm ALLEN HEX

Fig. 56 Auto Lash Adjuster Retainers

1 – SPECIAL TOOL MD998443

9 - 34

ENGINE

JX

REMOVAL AND INSTALLATION (Continued)

INSTALLATION

(1) Install rocker arm and shafts with the FLAT

on the shafts facing the timing belt side of the right
cylinder head (Fig. 58). For the left cylinder head,
install rocker arm and shafts with the FLAT on the
shafts facing the transmission side of the engine.
Install the retainers and spring clips in their original
positions on the exhaust and intake shafts (Fig. 57).

(2) Tighten bolts to 31 N·m (276 in. lbs.) in

sequence shown in (Fig. 59).

(3) Remove auto lash adjuster retainers Special

Tool MD-998443 from rocker arms.

(4) Install cylinder head cover(s). Refer to proce-

dure in this section.

CAMSHAFT

REMOVAL

NOTE: Cylinder head must be removed for cam-
shaft replacement.

(1) Remove upper and lower intake manifolds.

Refer to procedures in this section.

(2) Remove cylinder head covers. Refer to proce-

dure in this section.

(3) Install auto lash adjuster retainers, Special

Tool MD-998443 (Fig. 60). These retainers hold the
lash adjuster into position when the rocker arms are
serviced.

Fig. 57 Rocker Arm Shafts

1 – INTAKE ROCKER ARMS
2 – ROCKER SHAFT SPRINGS
3 – ROCKER ARM SHAFT RETAINERS
4 – EXHAUST ROCKER ARMS

Fig. 58 Rocker Arm Shaft Flat

1 – ROCKER ARM SHAFT SPRING ORIENTATION
2 – DIRECTIONAL FLAT

Fig. 59 Rocker Arm Shaft Tightening Sequence

1 – INTAKE ROCKER ARM SHAFT TIGHTEN SEQUENCE
2 – EXHAUST ROCKER ARM SHAFT TIGHTEN SEQUENCE

Fig. 60 Retainer Auto Lash Adjuster

1 – SPECIAL TOOL MD998443
2 – ROLLER ROCKER ARM
3 – HYDRAULIC LASH ADJUSTER

JX

ENGINE

9 - 35

REMOVAL AND INSTALLATION (Continued)

(4) Mark rocker arm shaft assemblies for installa-

tion.

(5) Remove rocker arm shaft bolts. Refer to proce-

dure in this section.

(6) Remove the timing belt and camshaft sprocket.

Refer to procedures in this section.

(7) Remove cylinder head retaining bolts.
(8) Remove cylinder head(s) from vehicle.
(9) Remove thrust case from front (left side) cylin-

der head assembly. Remove camshaft from the rear of
the head (Fig. 61).

(10) Remove distributor (if not previously removed)

from

rear

(right

side)

cylinder

head

assembly.

Remove camshaft from rear of the head (Fig. 61).

INSTALLATION

(1) Lubricate

camshaft

journals.

Install

cam-

shaft(s) into the cylinder head(s) carefully (Fig. 61).

(2) Install thrust case on front (left side) cylinder

head and tighten fasteners to 13 N·m (108 in. lbs.)
(Fig. 61).

Fig. 61 Cylinder Head Components

1 – CYLINDER HEAD COVER
2 – BREATHER HOSE
3 – GASKET
4 – PCV VALVE
5 – OIL FILLER CAP
6 – GASKET
7 – CYLINDER HEAD COVER
8 – CAMSHAFT THRUST CASE
9 – CAMSHAFT (LEFT SIDE)
10 – O-RING
11 – EXHAUST ROCKER ARM SHAFT
12 – EXHAUST ROCKER ARM
13 – HYDRAULIC LASH ADJUSTER
14 – SPRING RETAINER
15 – LOCKS
16 – CAP
17 – VALVE

18 – SPRING SEAT
19 – VALVE STEM SEAL
20 – SPRING
21 – SEAL
22 – HEAD GASKETS
23 – WASHER
24 – SEAL
25 – CYLINDER HEAD BOLT
26 – SEAL
27 – CAP
28 – SPRING
29 – CAP
30 – SEAL
31 – INTAKE ROCKER ARMS
32 – INTAKE ROCKER ARM SHAFT
33 – CAMSHAFT (RIGHT SIDE)

9 - 36

ENGINE

JX

REMOVAL AND INSTALLATION (Continued)