Body - Buzzing Wind Noise From A-Pillar/Mirror Area

2010 Nissan-Datsun Altima L4-2.5L (QR25DE) Technical Service Bulletin # 11-078 Date: 110811

Body - Buzzing Wind Noise From A-Pillar/Mirror Area

Classification: BT11-029

Reference: NTB11-078

Date: August 11, 2011

2008-2012 ALTIMA COUPE; DOOR WEATHER STRIP NOISE

APPLIED VEHICLE(S): All 2008-2012 Altima Coupe

IF YOU CONFIRM

A loud "buzzing type" wind noise from the base of either A-Pillar (RH or LH) and above mirror(s), at highway speeds.

ACTIONS

Follow Service Procedure to correct Weather Strip gap condition.

NOTE:

Replacement of the door weather strip is not needed as part of this repair.

CLAIMS INFORMATION

2010 Nissan-Datsun Altima L4-2.5L (QR25DE) Page 249

SERVICE PROCEDURE

1. Clean surface of A-pillar Weather Strip molded area, indicated in Figure 1, with water and then dry.

NOTE:

Figure 5 gives cross section of area requiring cleaning, where EPT foam from the Nissan Squeak and Rattle Kit will be placed.

2. Cut a strip of EPT foam to size 5x5x40mm. Add into the Weather Strip, into the outer face of the lip with steps "a" through "d" below.

a. Confirm molded area is clean; mainly the outer face of the lip and apply generic primer:

b. Remove liner from EPT foam.

2010 Nissan-Datsun Altima L4-2.5L (QR25DE) Page 250

C. Add EPT foam into outside of the lip and make sure adhesion is complete.

2010 Nissan-Datsun Altima L4-2.5L (QR25DE) Page 251

NOTE:

EPT foam must be added 10mm forward of the mold joint line. See figures 6 and 7.

d. Confirm that EPT is not visible.

NOTE:

Figures 8 and 9 show examples of correct installation.

3. Test drive the vehicle to make sure the "buzzing type" wind noise has been resolved.