Question about 2002 Chevrolet Tahoe

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I stop the engine and abs motor still running

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Can you Physcially feel the abs pump running?? do you feel it in the brake pedal??? It could also be your hvac system changing position

Posted on Apr 26, 2010

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Posted on Jan 02, 2017

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Brakes are hard to depress causing stopping problem


1: inspect all brake linings first.
no pulling left or right braking?
the car has 100% full manual brakes. if the brake booster fails.
(its only and assist !!! for 50lb small folks)
so does it? it takes more pedal pressure but has 100% full braking.
this is no accident its by design.
make sure none of the brake shoes/pads are soaked in DoT3/4 fluid
or grease or gear oil.
and no brake fluid leaks end to end, this is really #1 on all cars.
look, then look again. even behind and in front of the master cylinder.
look at tires (inside for fluid leaks>)
2: do the booster test. did the vacuum hose to it fall off?
or got pinched, or ?

google brake booster test
if ABS system. get it all checked,
if ABS get the ABS scanned.

if you cant stop correctly,,,,???? , dont drive.
get it fixed.

May 06, 2014 | 1999 Jeep Wrangler

1 Answer

2003 tahoe abs light just went on around the corner from my house, so i parked the truck and its making a noise but the truck is off


if truck is off and you hear a motor running it is probabl;y the abs unit running. the ebcm module is bad and causing motor to run all time. slide under truck under drivers seat area and you will see abs motor unplug it for now this will stop from running will need to replace ebcm to correct

Aug 23, 2011 | 2003 Chevrolet Tahoe

1 Answer

What causes the brake pedal to go almost to the floor and there seems to be no anti lock system


First test the master cylinder.with the engine off. Is the pedal firm. Is it holding pressure.If you say yes the master cyclinder is good. Now turn the vehicle on. does the pedal go to the floor.?.Now the ABS light doesnt have to be on to detect a problem ABS modules do fail. If it goes to the floor with the engine on and doesnt go to the floor with engine off. ABS motor module is no good. Why because the ABS motor pistons are not at it proper postion. Remember engine off we tested brakes without the ABS. Key on engine running we now test ABS. if it sink at this point the fix is a new abs module.Here the thing if you replace the module it will have to be flashed , the engine management will not communicate with it or recognize it






Apr 26, 2011 | 2004 Saturn ION

2 Answers

The ABS light came on and is staying on. Why and what do I need to do? The vehicle doesn't seem to drive any differently. I did notice a motor of some kind running after I turn the engine off. Could...


abs stands for anti breaking system its something strting to go wrong with your brakes it throws that code until you fix the problem could be serious could be low break fluid find a honest mechanic shop most of them will tell you what it means free they can pull the abs code that tells them what it is good luck

Nov 29, 2010 | 1995 Isuzu Trooper

1 Answer

Why is the brake pettel hard and motor runs all the time that the key is on 1993 chrysler van abs brakes


Well the ABS motor certainly is not supposed to be running all the time. I would disconnect it. Brakes should be normal without it.
Just remember to no longer lock them up in an emergency.
You can easily stop shorter than ABS can if you pump the brakes properly.

Apr 13, 2010 | 1993 Chrysler Town & Country

1 Answer

01 Suburban with abs system. abs light came on


A relay controls the ABS motor. You can trace the wires running to it. The next time you shut the engine off unplug the relay. If that shuts it off get a new relay for the old one will not open its circuit to shut off the motor to the ABS motor

Jan 25, 2010 | 1998 Volvo V70

2 Answers

2001 silverado abs pump wont stop running . runs with motor off. 227000 miles


swap out abs relay with a similar known good relay it's possibly a sticking abs relay

Nov 07, 2009 | 2001 Chevrolet Silverado 1500

1 Answer

2001 Suburban ABS motor staying on after ignition is off


what you have is a ABS module that has shorted out internally. you have to replace that module and then bleed the ABS pump AND the brakes at all wheels.

Aug 13, 2009 | 2003 Chevrolet Suburban 1500

3 Answers

Where is the abs control module located on a 02 chevy avalanche ?


THE EBCM IS BAD this is the electronic control module that is on abs pump. you can replace seperate I think it is around 500 for part

Dec 30, 2008 | 2002 Chevrolet Avalanche

1 Answer

Abs system malfunction


I WOULD RECOMMEND THE ABS BE SELF TESTED BY A FORD DEALER, A FAULT CODE WILL BE PRESENT THAT WILL LEAD IN THE DIRECTION TO REPAIR THE PROBLEM.
THE 2nd PROBLEM SOUNDS LIKE WARPED FRONT BRAKE ROTORS.

Nov 09, 2008 | 1999 Lincoln Town Car

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