Question about 1996 GMC Safari

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Passenger side is squeling bad but stops as i touch the brakes anti-lock light is on and never was???

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Check the wheel bearings for serviceability. Check the pad thickness on the discs. I suspect a failed wheel bearing allowing the disc rotor to touch the ABS sensor ring and the calipers.

Posted on Oct 13, 2013

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An amber abs light is on my 1996 accord accord 2 dr lx -- is this a safety hazard ?


Any time the ABS light is on the ABS system is deactivated. The brake system should still function normally since the normal brakes do not rely on the ABS system to function. The only thing you will notice is that the brakes will lock up under a hard or emergency braking situation. My personal thought on this is at least find out why the light is on. If it is a relatively inexpensive repair that the added safety of the ABS system is well worth it. If it is a expensive repair that you'll havue to way the options. Under .the passenger side of the dash or behind the passenger side kick panel you will find two connectors not connected to anything. One will have three wires and one will have two. With the key off jump the two terminals of the two wire connector. Turn the key on and count the number of times the abs light flashes. It shoul be a series of long flashes and short flashes. The long flash is the first number of the two digit code and the short flashes will be the second. Post the codes and I will try to help you further.

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Possible electric short. Lights dim on occasion(all lights, including headlights), clock/radio display went out for a couple of weeks then came back on and now the rear passenger brake light is out. Also...


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Front left brake keeps locking up


i suspect that you have a bad caliper which is sticking. look there first, and always replace both if on the front, since murphy's law usually applies. thats where 60% of your stopping power comes from. the anti lock system won't normally cause the problem you describe, but a bad caliper will. make sure the rotors are ok as well.

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ABS light on at start and brake light flashing


replace the brake switch.i has seen in gm cars if brake switch is open not working.it will cause anti lock brakes stop working.see if anti lock brake module detect fault in brake switch circuit .anti lock brakes stop working.your brake light and abs light will come on.if this dont help.take it to dealership.

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Rear passenger side wheel/brake locking at first touch of pedal


You possibly have air in your lines. When you bleed them you need to start at the rear passenger, then rear driver, then front passenger and then front driver. If you are certain you have no air in the line then you have a bad brake hose/brake line. Replace this and your problem should go away. If not then the culprit should be the distribution or master cylinder. I hope this helps.

Jun 21, 2009 | 1988 Chevrolet S-10

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What does the anti lock light on the dash mean?


The anti-lock light is indicating that your anti-lock brake system has a problem. Check fluid level. Could be a sensor, time for brake service etc, but I wouldn't wait too long to have it checked, just in case something serious. Anti-lock brake problems may cause a wheel or more, or all, to lock up in a panic stop situation. When was last service on brakes done?

Apr 25, 2009 | 1997 Chevrolet Lumina

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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

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    96 Cavalier passenger rear brake lock up when wet or cold


    Bad PROPORTION VALVE ... the back brakes should only be doing 30% of the stopping with a bad proportion valve it will send more pressure to the back during braking and cause it to lock up. Good Luck and thanks for using FIX YA

    Jan 04, 2009 | 1996 Chevrolet Cavalier

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