Possible muffler leak?
Hi all, I figured I'd ask here first before I took it in. I was driving my wife's 2012 compass the other day and when I got onto the highway, it sounded like a motorcycle was hiding a blind spot, there was no motorcycle. I put it in neutral and reved the engine, the sound stayed constant. When I hit the off ramp, it gradually wound down and went back to normal while I stayed on the surface streets. After driving it for a while, I've determined it sounds like an exhaust leak but it's pitch and intensity is consistent with how fast I'm going, not rpm. It doesn't start until I hit highway speeds and doesn't go away until I've almost come completely to a stop. Just wondering what your thoughts on this are or if anyone else has experienced this.
Originally Posted by brickred View Post
If the symptom is occurring regularly and can be duplicated with ease, a diagnosis would be an efficient course of action.
Top Care Specialist
Ok, the mechanic is saying there may be a bad bearing in the rear differential, from what I'm hearing I'm tending to agree with him. Anyone know if the rear diffs are serviceable? Any good information resources? I can't think of any other moving parts on the back end that could potentially make that noise.
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