Automotive blades, I have a 2008 Dodge Charger SE, 2.7l V6 RWD (shut up about the HP, I don't care), and it's making this squeaking noise that's driving me nuts. As far as I can tell it's coming from one or both of the rear wheels, and it does it randomly after about 10 miles or so of driving. It's a loud metallic squeak that seems to sound off with the rotation of the wheels, and stops when I put on my brakes. I dunno if it's the rotors, or the bearings or what, I've taken off all 4 tires (the brake pads are fine) and cleaned everything off, changed the front rotors, AND taken it to a mechanic (who doesn't know wtf it is). Any help/suggestions would be appreciated, I don't know too much about cars. It's really annoying and pretty embarrassing.
Sounds like your differential. Take it to a lube shop and have them check it out. Could be as simple as adding some more diff oil.
It very well could be your brakes. I am not sure what you replaced on back or if it is stock, but new pads do not always get along with old rotors and vice versa. In newer rotors, there are small grooves that can act as a phonograph if there is any rubbing while you are driving producing a squealing noise. You could try sanding down the rotors because if they are new, then they will need to be broken in well, this is called burnishing. It could also have come from whoever installed them. Some people think brakes can be bolted on and ready to go, but you need to coat all sliding surfaces in antiseize and the slides with caliper slide grease. Possibly consider having a different professional installing aftermarket cross drilled and sloted rotors and new high performance pads. Hope this helps.
Ight thanks, will do, I'm all out of ideas and haven't heard that before. If anyone else wants to chime in feel free.
I replaced the front rotors, everything in the rear is stock, which is where the sound is coming from. I'll keep this in mind though, this is good info.
Definitely the brakes and not the rear diff. Most people think brake squeak is from the contact between the pads and rotors when it's usually the back of the pads the meet the calipers. Pull the pads and get some brake adhesive on the backs of them. There is a spray or it comes in a little squeeze bottle. Make sure you let the stuff dry until its tacky and won't wipe off. That keeps your pads from vibrating and metal to metal movement which causes the high pitched squeak.
lets see, it could be... worn shocks worn out spring bushings wheel bearing rotor runout diff/axel or possibly even something in the interior there are those occasions that it's something really weird that it came out of the factory with. EDIT: I checked a charger forum, it seems to be an issue with the brakes. Sad thing is though, from what I read, the Dealershits don't know exactly how to fix it
grab some grease and apply it to all suspension joints, shocks, axles, etc. if that doesnt help, youve narrowed the possibilities down a bit.
Yeah I was all over those forums, either no one had a clue or was talking about something different. I took it to my local Dodge dealer and had them check it out. Turns out my rear calipers were sticking, so the brake pads weren't full coming off the rotor and making it get all hot and squeak after driving for a bit. Two calipers later, and the problem is gone! (don't worry, I installed them myself, I don't drop $330 on a half hour of work and $120 worth of parts )