bschelle Posted August 6, 2007 Report Share Posted August 6, 2007 On my 99 Deville I hear a noise coming from the drivers side front wheel. It sounds like something is rubbing against the tire and increases and decrease with the speed of the car. It is a low groan type of noise. I am going to try doing figure eights and see if the load on the bearing makes a difference. I do not know if this will help because it is hard to hear it at a slow speed. When driving it doesn't seem to change going into our out of turns. Would a CV joint make this type of noise? Link to comment Share on other sites More sharing options...
Ranger Posted August 6, 2007 Report Share Posted August 6, 2007 No. CV joints usually make a clunking noise in turns. Sounds like a bearing to me. Link to comment Share on other sites More sharing options...
BodybyFisher Posted August 6, 2007 Report Share Posted August 6, 2007 Do the s-turns at 30 to 60, if turning one way causes the noise to go away its a hub bearing, do it on a clear road and turn back and forth within the lane, listening carefully Check to see if your water deflectors on your wheels are bent and hitting your rotor Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
bschelle Posted August 7, 2007 Author Report Share Posted August 7, 2007 I went to change the bearing last night and I had the dreaded green grease all over. So I changed the bearing and the half-shaft. The noise is gone! The bearing came apart leaving the metal cap from the back of the bearing in the spindle but the bearing felt OK so I do not know if it was the shaft or the bearing making the noise. Now I hear a faint noise from the passenger side!!!!! I am going to ride this one out until I get a more solid symptom of what it is causing the noise. I would have waited to change the drivers side but I am leaving on a trip and didnh't want to take a chance of breaking down on the road. Link to comment Share on other sites More sharing options...
BodybyFisher Posted August 7, 2007 Report Share Posted August 7, 2007 Have a good safe trip! Glad you figured it out, Mike Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
chbtech Posted May 14, 2008 Report Share Posted May 14, 2008 Do the s-turns at 30 to 60, if turning one way causes the noise to go away its a hub bearing, do it on a clear road and turn back and forth within the lane, listening carefully Check to see if your water deflectors on your wheels are bent and hitting your rotor 99 Deville. Experiencing a light scraping noise accompanied by a jingling sound coming from the LF wheel. Took the wheel off and found lots of pad thickness remaining, clips in place and pads not loose. Could you describe the water deflectors on the wheels please. Or did you mean the shields that are attached to the spindle assy ? Link to comment Share on other sites More sharing options...
jking220 Posted May 15, 2008 Report Share Posted May 15, 2008 Could you describe the water deflectors on the wheels please. Or did you mean the shields that are attached to the spindle assy ? I think he means the shields that are attached to the spindle assy... just behind the rotors. Jonah Link to comment Share on other sites More sharing options...
chbtech Posted May 16, 2008 Report Share Posted May 16, 2008 Could you describe the water deflectors on the wheels please. Or did you mean the shields that are attached to the spindle assy ? I think he means the shields that are attached to the spindle assy... just behind the rotors. You were both correct. Had another look and found the small double-bumped shield just behind the rotor on the inboard side. Sure enough it was rubbing on the back of the rotor on a ridge of built-up rust on the inner dia. of the rotor surface. I assume the rust built up over the winter (Ontario, Canada) and closed the gap to the shield. That or the shield got bent towards the rotor somehow. The shield is made of light sheet metal so it was easy to pry away from the rotor with a screwdriver. Noise is gone. Thanks guys. Link to comment Share on other sites More sharing options...
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