Abs pumps run continuosly even when vehicle is turned off, also ABS light is illuminated while pump is running. Consumer unplugged wire to stop constant running, vehicle will stop when brakes are applied, but brake pedal feels softer than normal, dealer was contacted. *ak pump failed after attaching a boat trialer. Consumer disconnected ABS pump as instructed by dealer, however doing so illuminates the ABS and brake light.
1999 GMC Sierra brakes complaints
Page 9 of 12: complaints 221 to 250 of 338, newest first, as owners wrote them.
Abs module failure. Chevrolet replaced at a cost of $912.49 + tax. Shouldn't fail at such low mileage. Possible problem for many pick-ups. Submitted due to safety related component and to aid, or assist in determining possible recall. Thank you.
Emergency parking brake is inoperative. Dealer notified. Feel free to provide any further information.
Since 3000 miles, whenever brakes are applied in a sudden stop, it causes brake pedal to go to the floor and vehicle to continue on without stopping. Vehicle been to the dealer on six occasion s,and was unable to locate the cause. Feel free to provide any further information.
Module in ABS failed at 37000 miles - pump continues running while truck is running or off.
Abs light came on while driving. When shutting off engine pump kept running. Dealer replaced ABS module.
Upon brake failure, the master cylinder on this vehicle has been repaired or replaced 4 times. The first failure occurred at 86 miles, 2nd at 2,729 miles, 3rd at 43,014 miles, and most recently at 57,270 miles. We are concerned for our safety in this vehicle finding the brake system faulty.
Consumer states that ABS motor is staying on after vehicle has been turned off, causing ABS motor system to fail.*jb
Abs light and brake light came on the dashboard and the ABS pump module continued to run even after the truck was turned off.
Consumer states that when pressing brake pedal, pedal will go to the floor and vehicle coasts to a stop. There was no indication that brakes were failing on the dash. Took to dealer and there were no codes that indicated brake module was bad. Consumer is concerned that someone may get run over.*jb dealer found ABS cab module was failing.
Brakes are not working properly. When applying brakes the vehicle will not slow down. Then consumer has to press the brakes all the way to the floor. Contacted dealer.
Abs brakes wear excessively before it is time.
Consumer stated the anti-lock brake system failed.
I have a 1999 new body style gmc sierra 3 door truck. I am the only owner and driver of the vehicle. I attempted to use the emergency brake in 02/2002 and it did not prevent the truck from rolling. I have never used the emergency brake before to either stop the truck or hold it in place against a load. I took the truck in for other unrelated factory recall notices. I had the emergency brake checked. Both rear brake shoe where worn completely out and the drum on one side was beyond recovery. I had to buy new shoes and replace one rotor (approximately $450). Again, I have never used the emergency brake to stop the vehicle or hold it in place against a load. It has not been used. This is a serious safety problem. I talked to a gmc mechanic and several truck owners and they have had the same problem. The mechanic said he has replaced several emergency brake systems with the owner stating the same thing I have concerning usage. Some of these vehicles had less than 30k miles on them. My brother has a 2000 chev. Truck and the same problem. A brake specialty repair center told him the same thing the gmc mechanic told me. The emergency brake system has a serious design flaw. It wears out without warning to the owner. I wrote gmc customer service and they dismissed my concern without firm explanation after several letters. Please investigate this concern. I do not think this is an isolated occurance.
Vehicle on slight decline and weather was snowy applied brakes and pedal failed to move downwards. Brake light came on, and went off when brakes started working. Took vehicle to dealer, and was informed nothing was wrong with brakes.*ak the brake pedal locks up and the vehicle slows down for about 100 ft before the brake starts working.
I have put brakes on this truck 4 times in 2 yearsrs. I dont feel that the brake system this truck was equipped with was large enough or strong enough for the size of the vehicle.
On april 4, 2002 at 7:40 p.m., my ABS panel light came on, while driving into my driveway at 3 miles per hour. When the ABS panel light came on, there was a loud continuous buzzing sound, which never subsided or went off. I promptly took my gmc sierra t.
My ABS brake system failed completely. I called gm who still have not returned my calls. I contacted the gm dealer here in cheyenne. I was told this is a common problem with the 99 z71; however, there is no recall on this item. I was told theabs motor has gone out and the cost of the part is $700 with approximately $1500 in labor. I continued to question on since this gm dealer in cheyenne is replacing these ABS brake motors so often, isn't this consistent with a defect? This is a hazard having your ABS system go out in the ice. The gm dealer told me to contact gm to find out about replacing the part at no cost. Again, I still have not received a call from them. My question is, if this is such a common problem in the 1999 sierra z71 why has this not been recalled? Do we have to wait for a fatality to occur first?
While applying brakes pedal goes all the way to the floor.also, has to resat emergency brake in order to work. Dealership is aware of the problem.
Motor on ABS module will not shut off until fuse is pulled or unit unplugged. Dealer said this was common and there should be a recall.
After first start ABS pump kept running, dealer replaced ABS control module. *ak
Abs braking light appeared on dashboard, and motor underneath the driverside wouldn't cut off when key was inside of ignition. Dealership was aware of problem.
Brake module valve assembley motor will continuously stay on and will shut off. There is a recall on vehicle model/ make for that problem, but this vehicle wa snot included.
While driving, ABS light came on and ABS completely shut down, ABS module continued to run after vehicle was turned off. Consumer pulled the fuse to stop ABS motor from draining battery, dealer agreed to pick up some of the cost of repairs. *ak
While travel at any speed electric pumps from ABS system runs. When consumer shut vehicle off noticed pump was still running. Consumer would have to remove fuse to stop pump running. Dealer has been contacted. Please provide further information.
In discussing this part failure with other owners it appears that this part fails at a high rate.the service department agrees that there is a significantly higer rate of failure in this part than is usual.I am requesting that you investigate these failures and would also like any information concerning the failure rate of this part and any information concerning accidnets caused by this part failure.
I was having trouble moving the drivers front seat forward or backwards, I left it in the foward position as I was driving along a city street ,I came up to a light and the seat anchorage became broken causing me to strick the steering wheel.I feel that if I had been going faster then 25mph I would have gotten hurt worse. I had a factory defect on the front seat belts,which I had taken to the dealer ,I was adviced that the parts were not in and had to be ordered. This was back in november or so to the best of my recllaction. 2-28-2001 I called the gmc customer assistance office spoke with a gmc representative and declare my problem , I wanted this deficiency to be covered under warranty,and I was adviced that it was not. Now what good is the seat belt doing me when the seat will not stay ,I have been using my left foot for support against the brake release that is mounted on the side of the drivers door,it keeps me from going foward at slow speeds what is going to happen if a vehicle in front of me suddenly stops? What good is this type of safety seat belt if the seat will not stay stationary,if this happen to my vehicle I dont doubt it will happen to some one else and mybe they wont be so lucky.another safety feature that was installed be the manufacture is the antilock brakes, they are also not covered under an extended warranty like the emission system, I feel that the seat and antilock brakes should be more of a safety concern then the emission system.any information will be kindly appreciated thanks for your time.
The ABS system vibrates at a low rate and vehicle will not slow down when applying constant pressure on brakes. There appears to be a 2 to 3 second delay between the time ABS takes over and when you have come control over the braking of the vehicle. This time elapse causes you to use other means for avoiding an accident such as veering to the left or right to avoid contact during heavy braking. This problem will also occur if the rear drivetran loses contact with the road surface during light braking. The driver has to always be aware of the possibility of not being able to stop to be able to avoid an accident. The outside mirrors on this vehicle ices up completely during winter highway driving at highway speeds over 45 MPH. The time it takes for the mirrors to ice up completely is usually less than 15 minutes from initial start.
Customer states ABS light on owner, also pump motor continues to run, replaced ABS module
Consumer applied horn while driving and horn failed while ABS light came on. Dealer determined that horn had shorted out, causing ABS circuit board to fail.
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