Have a 2007 HHR with 19k miles that has developed a roar in the front end. Sounds like maybe a low tire, but I have checked all the tire pressures. Roar is speed dependent, it diminished as the car slows. At 60 MPH, it is very pronounced. No vibration or shimy in the front end, I have already had the rotors turned at less than 100 miles.
I have the same thing. It started last summer when I had about 20,000 miles. I just took it into the dealer. They say it is the antenna and that they removed it and tested drove it and the noise went away. Mine starts around 35 mph. I don't know if they are pulling my leg and there is a bigger problem that the financially strapped GM won't fix. I also have a bad CV joint and unless it goes out within the next 500 miles, GM won't replace it.
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You might have the front wheel bearings checked out. First drive it on some curves and bear left and then bear right see which way quiets it down. That really only works if it is in the front, however the rear ones do go bad as well, however it is usually the front ones that go with a roar. Hope this helps
I certainly would take it back to the shop that performed the brake job and have them investigate. If it was not making the noise prior to the repair there is a good chance the noise is involved with the brakes. A possible loose brake pad, a sticking caliper(caliper pins may need to be lubed) or any number of things could be wrong.
THIS NOISE IS USUALLY THE HUB. HAVE SOMEONE GO WITH YOU ON A TEST DRIVE. GET THE ROARING TO HAPPEN AT ITS LOUDEST AND GENTLY SWERVE THE CAR LEFT AND RIGHT. DON'T BE SURPRISED IF YOU THINK BOTH HUBS ARE BAD.
LIFT THE FRONT OF THE CAR AND PUT IT ON JACK STANDS. PULL OUTWARD ON THE BOTTOM OF THE TIRE WHILE PUSHING INWARD ON THE TOP OF THE WHEEL. IF THE WHEEL MOVES EXCESSIVELY YOU FOUND THE HUB THAT IS NOISY.
USING A MECHANICS STETHOSCOPE YOU CAN SOMETIMES HEAR A ROARING TYPE NOISE ON THE BACKING PLATE SIDE OF THE HUB WITH THE ENGINE RUNNING AND THE TRANS IN GEAR. TRY NOT TO GET THE SPEED UP TOO FAR ESPECIALLY IF YOU CAN HEAR THE NOISE AT LOW SPEED, YOU DON'T WANT TO VIBRATE OFF THE STANDS.
That sounds like a left front wheel bearing gone bad My friend.. turning right transfers weight to the left side and it probably has a roar similar to a turbo fan jet.. Try it and lemmie know.. thank you