GM Tech Tip: Growl Noise Caused By Axle Nuts

GM Tech Tip: Growl Noise Caused By Axle Nuts

To diagnosis the noise, re-torque the existing front axle shaft nut to 162 ft/lbs and test drive the vehicle. If the noise is eliminated, replace both front axle nuts with the updated part (P/N: 10257766). On vehicles equipped with the police package, add an additional Nord-Lock.

Models: 
2006-2013 Chevrolet Impala
2014 Chevrolet Impala Limited
 
Problem: A driver may report that a growling noise is coming from the front of the vehicle. 
 
Cause: The condition may be caused by a loss of pre-load on the front wheel bearings due to the axle nut.
 
Correction: To diagnosis the noise, re-torque the existing front axle shaft nut to 162 ft/lbs and test drive the vehicle. If the noise is eliminated, replace both front axle nuts with the updated part (P/N: 10257766). On vehicles equipped with the police package, add an additional Nord-Lock. 

You May Also Like

Brake Pad Errors and Mismatches

In order to make the right selection, you must do your homework while still remaining skeptical.

Translating Brake Pad Marketing Jargon For Better Brake Jobs

It can be confusing when you look at an advertisement or the side of a brake pad box. Taken at face value, you would think that there would be no more brake noise, more precise stopping distances and that brake pads last forever. As a technician, you know this is not true.

How To Answer Customer Ride Control Questions

Presenting your customer with inspection results and benefits of replacement will help sell the job.

Broken Springs

What is the cause for the failure? Why does it occur with specific vehicles? The answers might surprise you.

ADAS Module Programming

Reflashing and reprogramming is a necessary service for repairing vehicles.

Tuning Adjustable Shocks and Struts

Let’s take a closer look at adjustable shocks and struts, what they do, and how one should go about adjusting them.

Other Posts

Axle Torque Procedures

Guessing the correct torque setting is a bad idea.

What Do The Marketing Messages Mean?

Certain messages mean certain things – or not. When selecting automotive components, do your homework.

.01 Micron Superstar Filter

The .01 Micron SuperStar Filter includes a differential pressure gauge and comes with mounting brackets.

Tesla Air Ride Service

Tesla’s air suspension is “smart” because it uses GPS information and vehicle speed to adjust suspension ride height.