Question for the Jeep experts
I have a 2007 GC as a daily driver and my Toad. 4.7, 4wd It has developed a hum, it seems to be a harmonic issue almost. It starts at about 32 mph, gets louder until about 35 and stops between 38...
Forum Discussion
From a 30 year Jeep tech, it sounds like you’ve got a rear pinion bearing starting to fail! I’ve never seen a CV shaft make a humming noise let alone fail. Pinion bearing are a common failure in the 90’s and 2000’s Mopars.
In fact I just did an 08 Commander (same as a Grand Cherokee) a month ago. Ended up doing all the bearings (pinion and carrier) while I was in there.
In fact I just did an 08 Commander (same as a Grand Cherokee) a month ago. Ended up doing all the bearings (pinion and carrier) while I was in there.
