Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1517

NOTE: To reset the primary timing chain tensioner, engine oil will first need to be purged from the ten-
sioner.

2. Reset timing chain tensioner (4) using the following procedure:

a. Position cylinder plunger into the deeper end of Special Tool 8186 (3).

b. Apply a downward force until tensioner (4) is reset.

NOTE: If oil was not first purged from the tensioner, use slight finger pressure to assist the center arm pin
of Special Tool 8186 (3) to unseat the tensioner’s check ball.

NOTE: Inspect the tensioner o-ring (2) for nicks or cuts and make sure the snap ring (1) is correctly
installed, replace as necessary.

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ENGINE - 2.7L DOHC - SERVICE INFORMATION

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TENSIONER-TIMING CHAIN

NOTE: Verify proper timing alignment prior to ten-
sioner installation (Refer to 9 - ENGINE/VALVE
TIMING - STANDARD PROCEDURE).

1. Reset tensioner (Refer to 9 - ENGINE/VALVE TIM-

ING/TMNG BELT/CHAIN TENSIONER&PULLEY -
INSTALLATION).

NOTE: Inspect tensioner o-ring and snap ring,
replace as necessary.

2. Install tensioner (1) in cylinder head.

NOTE: Tensioner retaining plate dowel pin (3)
must be aligned with hole in cylinder head for
proper installation.

3. Inspect tensioner retaining plate o-ring (2) and

replace as necessary.

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ENGINE - 2.7L DOHC - SERVICE INFORMATION

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4. Install tensioner retaining plate (2) and attaching

bolts (3). Tighten bolts to 12 N·m (105 in. lbs.).

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ENGINE - 2.7L DOHC - SERVICE INFORMATION

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ENGINE - 3.5L - SERVICE INFORMATION

TABLE OF CONTENTS

page

page

ENGINE - 3.5L - SERVICE INFORMATION

DESCRIPTION

3.5L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2098

DIAGNOSIS AND TESTING

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . 2099
ENGINE PERFORMANCE . . . . . . . . . . . . . . . . . 2100
ENGINE MECHANICAL . . . . . . . . . . . . . . . . . . . . 2102
CYLINDER COMPRESSION PRESSURE

TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2104

CYLINDER COMBUSTION PRESSURE

LEAKAGE TEST . . . . . . . . . . . . . . . . . . . . . . . . . 2104

ENGINE OIL LEAK INSPECTION . . . . . . . . . . . 2105

STANDARD PROCEDURE

FORM-IN-PLACE GASKETS AND SEALERS . 2106
ENGINE GASKET SURFACE PREPARATION . . 2107
REPAIR OF DAMAGED OR WORN

THREADS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2107

HYDROSTATIC LOCKED ENGINE . . . . . . . . . . 2107
ENGINE CORE AND OIL GALLERY PLUGS . 2108

REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2109
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2115
SPECIFICATIONS

3.5L ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2123
TORQUE - 3.5L . . . . . . . . . . . . . . . . . . . . . . . . . . . 2127

SPECIAL TOOLS

3.5L ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2129

ELEMENT-AIR CLEANER

REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2132
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2133

HOUSING-AIR CLEANER

REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2134
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2134

CYLINDER HEAD(S)

DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2135
DIAGNOSIS AND TESTING

CYLINDER HEAD GASKET . . . . . . . . . . . . . . . . 2135

REMOVAL - CYLINDER HEAD(S) . . . . . . . . . . . . . 2136
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2144
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2144
INSTALLATION - CYLINDER HEAD(S) . . . . . . . . 2144

SEAL -CAMSHAFT OIL

REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2153
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2158

CAMSHAFT(S)

DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2165
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2165
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2165
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2165
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2166

COVER CYLINDER HEAD - LEFT

REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2167

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2167

COVER CYLINDER HEAD - RIGHT

REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2169
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2169

VALVES & SEATS -INTAKE/EXHAUST

DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2171
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2171
STANDARD PROCEDURE

VALVE AND VALVE SEAT REFACING . . . . . . . 2171

REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2173
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2173
INSPECTION

VALVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2173
VALVE GUIDES . . . . . . . . . . . . . . . . . . . . . . . . . . . 2173

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2174

ROCKER ARM SHAFT/ ROCKER ARM / LASH

ADJUSTER
DESCRIPTION

ROCKER ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2175
ROCKER ARM SHAFTS . . . . . . . . . . . . . . . . . . . 2175

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2175
DIAGNOSIS AND TESTING

LASH ADJUSTER (TAPPET) NOISE

DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2175

STANDARD PROCEDURE

HYDRAULIC LASH ADJUSTER BLEEDING . . 2177

REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2178
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2179
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2179
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2180
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2181

TUBE -SPARK PLUG

REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2182
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2182

SEAL -VALVE STEM

REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2183
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2183

SPRING -VALVE

DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2184
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2184
REMOVAL

CYLINDER HEAD OFF . . . . . . . . . . . . . . . . . . . . 2184
CYLINDER HEAD ON . . . . . . . . . . . . . . . . . . . . . 2184

INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2185
INSTALLATION

CYLINDER HEAD OFF . . . . . . . . . . . . . . . . . . . . 2185
CYLINDER HEAD ON . . . . . . . . . . . . . . . . . . . . . 2186

BLOCK -CYLINDER

DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2187
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2187
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2187

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ENGINE - 3.5L - SERVICE INFORMATION

9 - 2095