"2013-2015 ALTIMA WITH 4-CYL ENGINE; CABIN “BOOM” AND/OR STEERING/FLOOR VIBRATION WHILE DRIVING
4-CYLINDER ENGINE ONLY
IF YOU CONFIRM:
A “BOOM” OR DRONE SENSATION IS HEARD IN THE CABIN AREA
AND/OR
A VIBRATION IS FELT IN THE FLOOR AND/OR STEERING WHEEL
WHEN
DRIVING AND THE ENGINE IS APPROXIMATELY 1,800 RPM.
ACTION:
1. CHECK THE GAP BETWEEN THE RUBBER AND METAL PORTIONS OF THE FRONT TUBE EXHAUST HANGER (SEE FIGURE 1 AND PAGE 2, FIGURE 2).
2. IF LESS THAN 1 MM (0.04 INCH) GAP, ADD SHIMS (FLAT WASHERS) BETWEEN THE FRONT SUSPENSION MEMBER AND FRONT EXHAUST TUBE HANGER. SEE PAGE 2, FIGURE 2 AND 3.
- MAXIMUM SHIM THICKNESS: 4.6 MM (0.18 INCH)"