I have a 1999 Pontiac Gran Prix. A low frequency humming noise is coming from the front drivers side at speeds >30 mph but goes away when turning right. The noise varies with the speed of the car. I dis-engaged the transmission and reved the engine but neither have any impact on the noise. What could be causing this...CV joint?
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Hi, if this noise changes when turning left or right, (gets louder or quieter), there is a good chance a front hub is bad. For instance, if you turn right, and the noise gets louder,the left hub is bad, and vice versa for the other side. You can normally jack it up, spin the wheel and hear the noise, or wiggle the wheel, and see if it has play. Good luck...
The coolant sensor is most likely bad is the reason you getting the coolant light. It's located inside the overflow tank and it's job is to let you know when the coolant level is low., it's not a big deal just keep a check on the coolant level if you don't get it fixed ant time soon. The humming noise could be different things from a vacuum leak to a pulley issue or even a bad tire, this is a matter of getting someone to drive the car and notice where the humming could be coming from. Do you know if it's coming from the front or back, driver or pass side? Good Luck. Check out about the humming before the sensor.
There are fuses for hi and low blower fan inside the interior fuse panels I know the high one is on the passenger side and believe the low is on the drivers side tho they may both be on the passenger side read the cover after you pull them off easy to find once you read the label if those are both good then its probably the blower resistor, fuse check first.
most probably your left front wheel bearing...the speed sensor for the Abs is contained within the wheel bearing so it generally flickers\comes on when driving as there is play within the bearing and the readings are erratic from the play within the bearing.....jack up the car and check for side to side,up and down play with the tire...if you find play\movement then that is the most probable culprit.....the bearing is self contained ,not greasable and is replaced as a unit,it comes with the abs sensor within it....takes about an hour to replace and the bearing assemble costs about 70-200$,,,shop around it;ll save you money ive learned
Hello! If the humming noise is speed related(gets louder as vehicle speed increases)check front wheel bearings. If the noise goes away when turning one way or the other then it will most likely be in the front wheel bearing. If you turn the wheel(while moving)to the right and the noise goes away it is on the right side. If you turn the wheel to the left and the noise goes away its on the left side. Hope this information helps!