Airflow Meter Service (NTB05-080)

WARNING: This page is about the Altima Base, which is a different variant/trim than selected.

Publication date: 2005-08-31
Reference number: NTB05-080

AIRFLOW METER SERVICE

TECHNICAL SERVICE BULLETIN

Reference Number(s): NTB05-080, Date of Issue: August 31, 2005

NISSAN:	2004 - 2006 Maxima; 2004 - 2006 Altima; 2004 Sentra; 2003 - 2006 350Z; 2003 - 2006 Murano; 2004 - 2006 Quest
CLASSIFICATION:	EC05-011
APPLIED VEHICLES:	2004 - 2006 Maxima (A34); 2004 - 2006 Altima (L31); 2004 Sentra (B15) with QR25 engine; 2003 - 2006 350Z (Z33); 2003 - 2006 Murano (Z50); 2004 - 2006 Quest (V42)

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 as it contains information that is essential to successfully completing this repair.

PARTS INFORMATION

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

DESCRIPTION

PFP

OP CODE

SYM

DIA

FRT

Replace Air Flow Sensor & Air Filter Element

⁽¹⁾

DE18AA

⁽²⁾

⁽¹⁾	Reference the Parts Information table and use the Air Flow Meter P/N as the PFP.

⁽²⁾	Reference the current Nissan 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(R) screws.
  
  Fig 1: Removing Airflow Meter Sensor
  Courtesy of NISSAN MOTOR CO., U.S.A.
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 and Fig 3).
  CAUTION:
  - Cover the ducting from the throttle body with a clean shop towel or other method so dirt or debris cannot enter the engine intake manifold.
    
    Fig 2: Airflow Meter Housing
    Courtesy of NISSAN MOTOR CO., U.S.A.
    
    Fig 3: Bottom Air Filter Box
    Courtesy of NISSAN MOTOR CO., U.S.A.
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.