Suspension - Rear End Clunking/Knocking On Bumps

2010 Nissan-Datsun Altima L4-2.5L (QR25DE) Technical Service Bulletin # 12-017 Date: 120210

Suspension - Rear End Clunking/Knocking On Bumps

Classification: RA12-001

Reference: NTB12-017

Date: February 10, 2012

2010-2012 ALTIMA COUPE;

NOISE FROM REAR SUSPENSION OVER BUMPS

2010 Nissan-Datsun Altima L4-2.5L (QR25DE) Page 166

APPLIED VEHICLES: 2010 - 2012 Altima Coupe (CL32)

IF YOU CONFIRM:

There is a noise (clunking, knocking or popping) from the rear suspension area when going over bumps or on uneven roads.

ACTION:

Refer to steps 1 through 6 below to inspect for and correct possible misaligned rear suspension coil springs.

^ Confirm correct clearance from spring to spring cup.

^ Confirm the upper rubber seat is installed correctly.

^ Verify the spring is correctly positioned in upper rubber seat.

IMPORTANT:

he 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. Inspect the gap between the Rear Coil Spring and Spring Cup for being too close.

2010 Nissan-Datsun Altima L4-2.5L (QR25DE) Page 167

2. If the spring is too close (Step 1, Figure 1):

^ Confirm whether the upper rubber seat is installed completely or not (see Figure 2).

^ If not installed correctly/completely, rotate the rubber spring seat to engage completely.

3. If the upper rubber seat is installed completely (Figure 2), but the gap is too close (Figure 1):

^ Confirm whether the top of the coil spring is on the upper rubber seat correctly or not.

4. If you confirm misalignment of the upper rubber seat or coil spring (Figure 3), disassemble and then re-assemble correctly.