EM-1
ENGINE MECHANICAL
B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTION EM
A
EM
Revision; 2004 April 2003 Murano
ENGINE MECHANICAL
PRECAUTIONS .......................................................... 3
Precautions for Drain Engine Coolant ...................... 3
Precautions for Disconnecting Fuel Piping .............. 3
Precautions for Removal and Disassembly ............. 3
Precautions for Inspection, Repair and Replace-
ment ......................................................................... 3
Precautions for Assembly and Installation ............... 3
Parts Requiring Angular Tightening ......................... 3
Precautions for Liquid Gasket .................................. 4
REMOVAL OF LIQUID GASKET SEALING .......... 4
LIQUID GASKET APPLICATION PROCEDURE ..... 4
PREPARATION ........................................................... 5
Special Service Tools ............................................... 5
Commercial Service Tools ........................................ 7
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ................................................ 9
NVH Troubleshooting ?Engine Noise ..................... 9
Use the Chart Below to Help You Find the Cause
of the Symptom. ..................................................... 10
DRIVE BELTS ............................................................11
Checking Drive Belts ...............................................11
Tension Adjustment .................................................11
ALTERNATOR AND AIR CONDITIONER COM-
PRESSOR BELT ................................................. 12
POWER STEERING OIL PUMP BELT ............... 12
Removal and Installation ........................................ 12
REMOVAL ........................................................... 12
INSTALLATION ................................................... 13
AIR CLEANER AND AIR DUCT ............................... 14
Removal and Installation ........................................ 14
REMOVAL ........................................................... 14
INSTALLATION ................................................... 15
CHANGING AIR CLEANER FILTER ................... 15
INTAKE MANIFOLD COLLECTOR .......................... 16
Removal and Installation ........................................ 16
REMOVAL ........................................................... 17
INSPECTION AFTER REMOVAL ....................... 18
INSTALLATION ................................................... 18
INTAKE MANIFOLD .................................................20
Removal and Installation ........................................ 20
REMOVAL ...........................................................20
INSPECTION AFTER REMOVAL .......................20
INSTALLATION ...................................................21
EXHAUST MANIFOLD AND THREE WAY CATA-
LYST ..........................................................................22
Removal and Installation ........................................ 22
REMOVAL ...........................................................22
INSPECTION AFTER REMOVAL .......................24
INSTALLATION ...................................................24
OIL PAN AND OIL STRAINER .................................26
Removal and Installation ........................................ 26
REMOVAL ...........................................................26
INSPECTION AFTER REMOVAL .......................31
INSTALLATION ...................................................31
INSPECTION AFTER INSTALLATION ................ 34
IGNITION COIL .........................................................35
Removal and Installation ........................................ 35
REMOVAL ...........................................................35
INSTALLATION ...................................................35
SPARK PLUG (PLATINUM-TIPPED TYPE) .............36
Removal and Installation ........................................ 36
REMOVAL ...........................................................36
INSPECTION AFTER REMOVAL .......................36
INSTALLATION ...................................................37
FUEL INJECTOR AND FUEL TUBE ........................38
Removal and Installation ........................................ 38
REMOVAL ...........................................................38
INSTALLATION ...................................................40
INSPECTION AFTER INSTALLATION ................ 42
ROCKER COVER .....................................................43
Removal and Installation ........................................ 43
REMOVAL ...........................................................43
INSTALLATION ...................................................44
FRONT TIMING CHAIN CASE .................................46
Removal and Installation ........................................ 46
REMOVAL ...........................................................46
INSTALLATION ...................................................48