1995 a6 2.6 auto, when slowing down to under 10 mph the brake grind and you can feel this through the pedal i think it could be the abs no warning light comes on,and when i start up the abs light comes on for a few seconds as normal, when braking at any speed the car stops straight , any ideas andy.
Sounds like your getting abs activation when its not needed. Most likley one of the wheel speed sensors has failed. You do need to have a scan tool to read the live data from the abs module as the problem is occurring to pinpoint which sensor is faulty. The abs light will not come on because the abs module thinks its just working normally. I'm an ASE certified mechanic and have seen this problem many times on various vehicles. You might have to pay somebody to diagnose it, but replacing the sensor it a very easy task. I hope this helps.
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It needs to be looked at right away.It could be your brake pads are totally worn out and they are grinding on the front rotors It could also be a bad C.V. shaft or hub assembly.I'm betting on brakes.Don't be surprised if they want to replace the rotors,the brake pads,and possibly even the calipers.They should be able to tell you whats going on within 15 minutes of taking off the front tires.good luck
If all 3 lights don't come on, it's most likely the Brake light switch. Easy to get to- it rides against the pedal arm. This was a well known problem over the years, my 02' had not one but TWO recalls on it. Recall might be expired, contact a stealership...
the traction control and the abs use the same wheel speed sensors, what you are feeling is the abs trying to release a brake because it thinks that one of the wheels is locking up, you probably have a bad wheel sensor or there could be something stuck in the relector ring like ice. try taking the car to auto-zone and have them retrieve the codes and that will tell you witch wheel to take a look at.
If the brakes are grinding 3 to 5 mph, and you feel it, the rotors may not look bad, yet, but the pads may be worn down. I don't think the struts have anything to do with grinding. Struts have to do with the bouncing up and down of the front end when going over bumps.
Sounds like one of the front brake cylinders leaked brake fluid onto a scored brake rotor. The brake rotor was previously damaged by a worn brake pad. The brake pad wore down to the retaining rivets and created a "groove" on the rotor (like an LP vinyl record). The brake fluid in the groove causes the brakes to seize and make a really loud vibrating grinding sound.
Do a brake job yourself ($50):
1. Fill the brake master cylinder reservoir with brake fluid.
2. By now you know which wheel is leaking brake fluid (front right??)
3. Remove tire and wash the area with mild soap (detergent is ok for this).. including the scored rotor.
4. Purchase brake cleaner spray at an auto parts store and spray all brake parts of the afected wheel.
4. Remove / replace rotor.
5. remove / replace brake pads.
If you want to have a brake shop do the brakes ($175), do steps 1 through 4. You should be able to drive the vehicle to the nearest brake shop, after you test-drive the vehicle in your safe driveway..
If the above description does not match with what you find, then do not drive vehicle. Have it towed.
have car scanned auto zone -advanced auto and some other auto stores will do this for free most likely one of your sensors is starting to go bad usually will activate at low speed under 10 mph as ur slowing down do check this problem early as abs can cause vehicle to stop longer
normally grinding and a hard pedal mean excessive wear on the brake pads, you wont feel it as much at higher speeds, at low speads its more previlant due to the pressure......check front pads first, the rear ones usually wear a lot slower