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jancie simpson

jancie ... 6/7/2011

2003 Lincoln Navigator Base 8 Cyl 5.4L

Steering & Suspension

There is a humming in the back end. What is it?

While riding I can hear a loud humming in the back of car. Some say it's the rack and pinion and other say it's the back end. Help what is it?

1 Answer


Jimm

Jimm 6/10/2011

The rack and pinion suggestion is referring to the steering - this would be located in the front of the vehicle. Does the noise change in pitch, or get louder / softer with speed? Have you checked the rear differential lubricant level? Try the 'Diagnose' tab on this page to assist to describe the problem.

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