Suspension - Front End Popping/Clunking Noises

Classification: FA10-002

Reference: ITB10-024

Date: March 26, 2010

2008-2010 QX56;
POPPING OR CLUNKING NOISE FROM FRONT SUSPENSION

APPLIED VEHICLES: 2008-2010 QX56 (JA60)

IF YOU CONFIRM

Using chassis ears, a popping or clunking noise can be heard coming from the front suspension shock assembly of an Applied Vehicle when driving over a pot hole or speed bump at approximately 10MPH.

AND

The front suspension bolts are torqued to specification.

ACTIONS

1) Replace the front coil spring on both sides (RH & LH) with the part listed in the Parts Information section of this bulletin.

2) Check/set the front alignment.

3) Perform aiming adjustment for the headlamp and front fog lamp (if equipped).





PARTS INFORMATION

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.





CLAIMS INFORMATION

SERVICE PROCEDURE

1. Replace the front coil spring on both sides (RH & LH) with the part listed in the Parts Information section of this bulletin.

^ Refer to the FSU section of the applicable Electronic Service Manual (ESM) for removal and installation instructions.

NOTE:
The front ride height will be around 1 inch lower after replacement.

2. Use an alignment rack to check/set the front alignment.

^ Refer to the FSU section of the applicable Electronic Service Manual (ESM) for alignment instructions.

^ Make sure the alignment rack has been recently calibrated.

3. Perform aiming adjustment for the headlamp and front fog lamp (if equipped).

^ Refer to the EXL section of the applicable Electronic Service Manual (ESM) for adjustment instructions.