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volvo warning 'abs/anti-skid service reqd' volvo v70 2002 is showing the warning 'abs/anti-skid service reqd', also the driver side front wheel makes a screeching sound not unlike worn down pads on discs when making a right or left The vehicle has done 170k miles and I replaced the water pump and belts in March 2011. However, I did not refit the plastic inner wing till Nov of 2011. Could this have anything to do with noises and warnings I am now receiving. I guess I am keen to know if the problems are wheel speed sensors or ABS/ECU issues. Get that car Jacked up and pull the wheel and do a very close inspection. It could be any thing from a rock in the Caliper, to loose wheel bearings to bad brake pads to a bad CV Joint.Inspect for where there is any fresh wear or grind marks on your suspension to check for integrity. Also if you have run over a piece of wire it could be wrapped up int he CV axle. Inspect the brakes/suspension first. If pads an...

ABS light stays on This solution is for every car owner with an ABS problem (e.g. Brake System Warning Light). Does the... 1)ABS warning light comes on occasionally while driving, warning light turns off next time you start the car, eventually the light comes back on if you drive long enough 2)ABS light comes on seconds or minutes after starting or even moving your car 3)ABS sensors have been replaced, ABS controller has been replaced, and ... the problem returns, sometimes soon, sometimes later 4)ABS warning light refuses to act up in front of your mechanic 5)ABS mechanic has no idea what is wrong 6)ABS brake have no leaks to be found, the brake fluid levels are normal and the brake pads pass inspection but the light comes on My solution will not solve all ABS system warning light problems, but it may solve very many and save many dollars. This solution just isn't Standard Operating Procedure in our day to day service repair shops as it is time consumi...

Brake Ratchet and Makes Clicking noise Q: I changed the ball joints on 1997 Jeep Grand Cherokee 4 wheel drive. After that  brakes act strange. It seems my ABS is acting up and I hear a clicking sound as I increase in speed.When I apply the brakes it sounds like my brakes are ratcheting. A: Take a look at the front axles of your jeep just where they enter the hub assembly. You should see a part that looks like a gear that is mounted on the axle. That gear is called a toner ring. As the teeth/gear looking part of the toner ring pass by the wheel speed sensor, a signal is created that the ABS system uses to monitor wheel speed. If a tooth is broken off the gear, the ABS computer will think that the wheel is turning at a different speed. This will cause the ABS computer to become active when it doesn't have to be. It doesn't take much to mess up the toner ring or even the sensor. I would suggest a close inspection of these components on both sides of the vehi...