Question about Subaru Legacy

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The rear wheel on my driver side makes tons of noise and clunks and is starting to lock up it seems now the abs light came on could this be my wheel bearing? also the caliper seems fine.

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Hi it could be bearings first jack the car block it safely and try moveing the tyre side to side holdind the tyre in both hande move it up adn down and side to side if you find you have movement its the bearing if not check the brake cylinder it could be sticking

Posted on Nov 16, 2009

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Abs light on/grinding and clunking in turns on front left side of 2003 ford explorer


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Honda Accord Rear Brake Caliber Is Locked Up, Causes & Expense?


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Rear driver wheel locks up and abs light comes on


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Rear wheel freezes up (so far driver side only)


Could be rear brake locking up,cars arent used to going backwards or hand brake sticking on . Would look there first.

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Sounds like a clunking noise, like the sound you hear when you have a flat tire, Tire isnt flat. turning right on the wheel lessons the sound but stays the same turning left. noise seems to be getting...


its a wheel bearing. .will need to be inspected to determine the correct one. Also tires could also do this if the steel seperated internally. Rotate the suspected tire to see if it follows the tire.

Apr 03, 2010 | 1990 Toyota Pickup

1 Answer

Problem with my cruise control and ABS light on 03 Explorer


Anti-Lock Control —Vehicles Built After 03/2002 The 3-channel anti-lock brake system consists of the following components:
  • front wheel speed sensors
  • front wheel speed sensor rings
  • hydraulic control unit (HCU)
  • Anti-lock brake control module (ECU)
  • rear wheel speed sensor
  • rear wheel speed sensor rings
  • yellow anti-lock brake warning indicator
The 4-channel anti-lock brake system with traction control and stability assist system consists of the following components:
  • active brake booster with integral solenoid
  • brake booster release switch
  • front wheel speed sensors
  • front wheel speed sensor rings
  • hydraulic control unit (HCU)
  • stability assist module (ECU)
  • stability assist event indicator
  • lateral accelerometer
  • longitudinal accelerometer (4x4)
  • rear wheel speed sensors
  • rear wheel speed sensor rings
  • steering wheel position sensor
  • yaw rate sensor
  • yellow anti-lock brake warning indicator
  • brake pressure transducer
  • traction control switch
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I suspect the abs issue is causing the speed control not to work if it happened at the same time the cruise control stopped working. When the yellow ABS light comes on, it means the ABS is dactivated. You may have a faulty accelerometer which senses acceleration and yaw (side to side lean). I have not seen a bad one but you said it is sensitive to acceleration.
I would unplug it and see what happens. The connector should have a small tab to depress so you can pull the connector out.
Here is where it is:

Accelerometer Removal and Installation
  1. NOTE: The accelerometer is located under the center, rear passenger seat carpet. (I think you have to remove seat for access).
    Cut the carpeting along the perforations.
  1. Disconnect the electrical connector.
  1. Remove the nuts and remove the accelerometer.
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Have dealer hook up tester and pull fault codes if you can't find an easy solution.
Some background info
  • A malfunction in the anti-lock brake system will cause the anti-lock brake control module to shut off or inhibit the system. However, normal power-assisted braking remains.
  • Malfunctions are indicated by the yellow ABS warning indicator in the instrument cluster.
  • The anti-lock brake system is self-monitoring. When the ignition switch is turned to the RUN position, the anti-lock brake control module will carry out a preliminary self-check on the anti-lock electrical system indicated by a three-second illumination of the yellow ABS warning indicator in the instrument cluster.
  • During vehicle operation, including normal and anti-lock braking, the anti-lock brake control module monitors all electrical anti-lock functions and some hydraulic operations.
  • Each time the vehicle is driven, as soon as vehicle speed reaches approximately 20 km/h (12mph), the anti-lock brake control module turns on the pump motor for approximately one-half second. At this time, a mechanical noise may be heard. This is a normal function of the self-check by the anti-lock brake control module.
  • Pedal pulsation coupled with noise while braking on loose gravel, bumps, wet or snowy roads is normal and indicates correct functioning of the anti-lock brake system.
  • Warning Lamp Indicator
    The anti-lock brake system (ABS) uses the yellow ABS warning indicator to alert the driver of a malfunctions in the ABS.
    The yellow ABS warning indicator will come on to warn the driver that the ABS has been turned off due to a symptom that exists in the ABS. Normal power assist braking remains but wheels can lock during a panic stop while the yellow ABS warning indicator is illuminated.

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    Please report back, I am curious if that is what it is. Good luck

    Mar 03, 2009 | 2003 Ford Explorer

    1 Answer

    ABS Light Came on and Loud Whining in Rear End?


    Well you can remove the sensor in the diff and make sure that looks ok they g obad quiet often also woulnd not hurt too remove the rear diff cover and inspect the rear end if it is whining and you dont see anything wrong i would refill it with lucas oil/grease and start praying check the pinion too and see if it has any play in it

    Jan 17, 2009 | 2004 Ford Ranger

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    Anti lock brakes


    you need to have your brakes checked on the front and also have them check wheel bearing on that side. when a car sits overnight in humid conditions the brake rotors will rust over lightly, that normally is removed off of rotor after first brake application. it shouldnt do it after you keep driving. abs does make noises though when it is working, sliding, so I would pop my hood and check for abs computer. It has brake lines and electrical connection going to it. Im not saying its bad but just look at its location and see if the sound of it functioning/location seems to make it sound like it is left wheel

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    Noise when engaging 4wd


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    When the ABS light comes on that means that the sytem has a problem and whenever light is on the system is in-operable. Most of the time there is a problem with one of the wheel speed sensor. On this particular vehicle there are(4) abs/speed sensors (one in each wheel)basically the all tell the computer what speed that particular wheel is going, at anytime. This sensor is mounted on/in the wheel hub and gets its signal from a gear mounted in the hub or and axle in the hub with a gear on it. When the sensor sends a signal to the computer that the wheel is about to skid/lock-up it pumps the brakes 15 times per second to prevent it from locking up. I believe that the sensor on the right rear wheel is not working and therfore it locks up. Good Luck and contact me if you need more help. Please leave me a fixya if I fixed ya.

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