Air Flow Meter Service (ITB05-051A)

Publication date: 2008-07-21
Reference number: ITB05-051A
Supersedes refnos: ITB05-051

AIR FLOW METER SERVICE

TECHNICAL SERVICE BULLETIN

Reference Number(s): ITB05-051A, Date of Issue: July 21, 2008

INFINITI:	2003 - 2008 G35; 2004 - 2008 FX45/FX35; 2006 - 2008 M45/M35; 2008 G37; 2005 - 2006 Q45; 2008 EX35
CLASSIFICATION:	EC05-012A
APPLIED VEHICLES:	2003 - 2008 G35 (V35/V36 and CV35); 2004 - 2008 FX45/FX35 (S50); 2006 - 2008 M45/M35 (Y50); 2008 G37 (CV36); 2005 - 2006 Q45 (F50); 2008 EX35 (J50)

NOTE: This bulletin has been amended. Applied Vehicles has been updated. Please discard previous copies of this bulletin.

IF YOU CONFIRM

The airflow meter needs to be replaced for any reason,

ACTION

Remove the top of the air filter box with airflow meter assembly from the vehicle.
Remove the airflow meter sensor from the airflow meter housing.
Thoroughly clean the air filter box and the airflow meter housing.
Install a new airflow meter sensor.
- Do Not replace the entire airflow meter housing; replace only the sensor listed in the Parts information.
Reinstall the top of the air filter box with airflow meter assembly back into the vehicle with a new Genuine Nissan air filter.

IMPORTANT: The purpose of "ACTION" (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire Service Procedure (starting on page 2) as it contains information that is essential to successfully completing this repair.

PARTS INFORMATION

PARTS INFORMATION CHART

DESCRIPTION	PART NUMBER	QUANTITY
Airflow Meter (sensor only)	22680-7S000	1
Air Filter Element	See Parts Catalog	1

CLAIMS INFORMATION

Submit a Primary Failed Part (PP) line claim using the following claims coding:

CLAIMS INFORMATION CHART

DESCRIPTION	PFP	OP CODE	SYM	DIA	FRT
Replace Air Flow Sensor & Air Filter Element	(1)	DE18AA	HD	32	(2)
Reference the Parts Information table and use the Air Flow Meter P/N as the PFP. Reference the current Infiniti Warranty Flat Rate Manual and use the indicated FRT.

SERVICE PROCEDURE

Remove the top of the air filter box with airflow meter assembly from the vehicle.
- Refer to section EC in the appropriate Electronic Service Manual (ESM) for vehicle specific removal information.
Remove the airflow meter sensor from the airflow meter housing.
- It's held on with 2 T20 Tamper Resistant Torx® screws.
Fig 1: Removing Airflow Meter Sensor From Airflow Meter Housing
Thoroughly clean the air filter box and the airflow meter housing.
- Wipe out the entire inside area of the airflow meter housing with a clean rag (see Fig 2).
- Use low-pressure compressed air or a shop vacuum to clean out all dust, dirt, and debris from inside both halves of the air filter box and inside of the airflow meter housing (see Fig 2).
CAUTION:
- Cover the ducting from the throttle body with a clean shop towel or other method so dirt or debris can not enter the engine intake manifold.
Fig 2: Airflow Meter Housing & Air Filter Box (Top And Bottom)

Fig 3: Airflow Meter Housing & Air Filter Box (Top And Bottom)
Install the new airflow meter sensor into the old airflow meter housing (see Fig 1).
- Do Not replace the entire airflow meter housing; replace only the sensor listed in the Parts information.
- Tighten the screws to 1.2-1.8 N.m (0.12 - 0.18 Kg-m, 11 - 16 in-lb)
Reinstall the top of the air filter box with the airflow meter assembly back into the vehicle with a new Genuine Nissan air filter.

IMPORTANT:

A new Genuine Nissan air filter element must be used for all warranty claims and any other claim for which Nissan pays.
A new Genuine Nissan air filter element is designed to be compatible with the Nissan airflow meter and has proven to provide adequate dust protection.
It is strongly recommended that customers continue using genuine Nissan air filters when replacement is required for routine maintenance.