First, which pulley is lose? If the battery is weak, that could be the cause of the hard start. The noise, on the other hand, could be a few things. Does it do it on both directions? Does the noise only occur when you are making a sharp turn or any turn? Have you checked to make sure nothing is rubbing the tire, wheel, (under the vehicle) and have you checked to make sure the brake calipers are tight? One last thing, check the backing plates behind the rotors to make sure they are not toughing the rotor and causing the noise.
Let me know. PLEASE NOTE: I am assuming the brake pads are in good condition.
Friday, November 19th, 2010 AT 2:47 AM