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SYMPTOM When the engine is first started after the vehicle has sat overnight, customers may “feel” the release of the throttle plate through the accelerator pedal. Some describe it as a one-time “pop” sensation. Customers may have trouble explaining this phenomenon because: They can’t repeat it because it only happens one time, when the engine is cold. The accelerator pedal works normally at all other times. There are no other symptoms. It may be intermittent, happening only during cooler weather. PROBABLE CAUSE The symptom is caused by normal buildup of contaminants in the throttle bore, combined with expansion and contraction of the throttle body. CORRECTIVE ACTION Partially remove the throttle body, and clean it with Honda carburetor cleaner or throttle plate and induction cleaner. REPAIR PROCEDURE 1. Remove the breather tube from the air intake duct, unclip the vacuum lines from the duct, and remove the duct from the throttle body. See Fig. 1 . Fig. 1: Removing Air Intake Duct 2. Disconnect the TPS and MAP connectors from the throttle body. 3. Remove the throttle cable and, if equipped, the cruise control actuator cable from the throttle body. 4. Remove the throttle body mounting nuts and bolts, then slide the throttle body off its studs on the intake manifold chamber. Leave the coolant hoses connected. See Fig. 2 . 5. Put a shop towel under the throttle body, open the throttle, then clean out any contaminants from the intake manifold side of the throttle body with carburetor cleaner or throttle plate and induction cleaner. See Fig. 3 . NOTE: To avoid damaging the idle air control valve (IACV), spray the cleaner through the back of the throttle body, not the front.

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1. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 2. REMOVE COOL AIR INTAKE DUCT SEAL 3. REMOVE ENGINE ROOM SIDE COVER LH 4. REMOVE ENGINE ROOM SIDE COVER RH 5. DISCHARGE REFRIGERANT FROM REFRIGERATION (a) Start up the engine. (b) Turn the A/C switch on. (c) Operate the cooler compressor at an engine rpm of approximately 1,000 for 5 to 6 minutes to circulate the refrigerant and collect compressor oil remaining in each component into the cooler compressor as much as possible. (d) Stop the engine. (e) Using SST, let the refrigerant gas out. 6. DISCONNECT CABLE FROM NEGATIVE BATTERY CAUTION: Wait for 90 seconds after disconnecting the cable to prevent airbag deployment 7. REMOVE FRONT UPPER FENDER PROTECTOR LH 8. REMOVE FRONT UPPER FENDER PROTECTOR RH 9. REMOVE ROOF DRIP SIDE FINISH MOULDING LH 10. REMOVE ROOF DRIP SIDE FINISH MOULDING RH 11. REMOVE FRONT WIPER ARM HEAD CAP 12. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH 13. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH 14. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 15. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 16. SEPARATE SUCTION PIPE SUB-ASSEMBLY (a) Remove the bolt, and slide the hook connector. (b) Disconnect the suction pipe sub-assembly. (c) Remove the O-ring from the suction pipe sub-assembly. Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering. 17. SEPARATE LIQUID TUBE SUB-ASSEMBLY (a) Disconnect the liquid tube sub-assembly. (b) Remove the O-ring from the liquid tube sub-assembly. Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering. 18. REMOVE HEATER WATER OUTLET HOSE

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1. Once the engine has been allowed to cool, disconnect the negative battery cable, relieve fuel system pressure and drain engine coolant, referring to the appropriate vehicle service manual for the procedure on doing so. 2. First the factory manifold must be removed using the following steps, for specific details and instructions refer to the factory service manual. 3. Remove the turbo intercooler (top mount only) and air intake duct. 4. Disconnect all the wiring harness connections, noting where each goes. 5. Remove the bolts holding accessories and brackets to the manifold. 6. Disconnect all vacuum lines from the manifold, noting where each goes. 7. Remove the tumbler valve bolts connecting them to the heads, keeping the intake bolted to the top of the tumbler valve. In some cases it may be easier to remove the tumbler valves from the intake manifold. 8. Disconnect the fuel lines from the fuel rail assembly located on the driver side by the firewall, placing clean shop towels around the fuel lines to catch any gasoline that may be spilled during their removal 9. Carefully lift off the intake manifold, tumbler valve, OE fuel rail assembly. 10. Remove the three bolts holding the OE fuel lines to the bottom of the intake manifold. 11. Remove the four bolts holding the OE fuel rails to the tumbler valves. 12. Remove the OE fuel rail assembly from the intake manifold assembly, being careful not to damage the fuel injector pipe insulator between the bottom of the OE fuel rail and the tumbler valve. Fuel Injector Pipe Insulator 13. Remove each of the injector spring clips.

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Nissan is conducting a voluntary safety recall on model year 2003 – 2007 Murano vehicles. Under certain conditions, the intake duct, which is connected to the intermediate resonator in the air intake system of the engine, may separate from the resonator with engine movement. This could cause minor idle fluctuation or poor acceleration. If this occurs, and the vehicle continues to be driven without being serviced, the engine may stall while driving. To remedy this potential condition, Nissan is conducting this voluntary safety recall campaign to replace the air intake duct with an updated part and the air duct clamps with new clamps at no charge for parts or labor. SERVICE PROCEDURE CAUTION: Do not use any lubricant when removing or installing the air ducts and resonators. Lubricant may adversely affect the ducts and resonators. 1. Disconnect the Positive Crankcase Ventilation (PCV) hose from resonator 1. 2. Loosen the clamps shown in Figure 1 (clamps at both ends of the air duct assembly). 3. Remove the air duct assembly from the vehicle and set it on a clean working surface. 4. After removing the air duct assembly, cover the openings to the electronic control throttle and airflow meter with clean cloth / rags. CAUTION: • Make sure to cover the openings to the electronic control throttle and airflow meter. • Covering the openings will prevent debris entry. 5. Loosen both wire clamps shown in Figure 2 (clamps on both sides of resonator 1). 6. Replace the wire clamp on air duct B. a. Pull air duct B away from resonator 1 just enough to remove the old wire clamp and install a new one. • Bend the old wire clamp so it cannot be reused. b. Reconnect air duct B to resonator 1. CAUTION: Before installing air duct B, use a clean cloth / rag to wipe away any debris from the duct and resonator.

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1. 2. 3. 4. 5. Open front hood and support with a stay. Disconnect battery cables from battery. Remove air intake duct. Remove clutch cable, return spring and hill-holder cable. Disconnect the following: – - – - Oxygen Sensor connector Crank Angle Sensor connector Cam Angle Sensor connector Knock Sensor connector – - Transmission Harness connectors Transmission Ground Terminal 6. Disconnect start connector and terminal and remove the starter assembly. 7. Remove pitching stopper rod. 8. Remove connector holder bracket.9. Set the engine support assembly (927670000). 10. Remove engine to transmission mounting nut and bolt on the upper side. 11. Raise and support car then disconnect the front exhaust pipe from the engine. Note: Remove all nuts except one. This nut is used to temporarily hold the exhaust pipe. 12. 13. 14. 15. 16. 17. 18. Disconnect the front to rear exhaust pipe connection. Disconnect front exhaust pipe at transmission and hanger locations. Remove the nut which was used to temporarily hold the exhaust pipe in step 11 and disconnect the front exhaust pipe. Disconnect rear exhaust pipe from muffler. Remove front cover of rear differential mount. Remove the four bolts which hold the propeller shaft to rear differential. Remove the two bolts which hold the center bearing to the car body.