How to fix ABS problem on GM Truck?
How to fix ABS problem on GM Truck?
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Is there a problem with my ABS system?
The pedal pulsates or “ratchets”, there is a groaning sound, and the truck stops decelerating as well. The service department has told me they have used all diagnostic tools available and an inspection of the brake system yields no clues. It feels as if the ABS system is sensing a need to come on when there is no need. But hey, I’m just a pilot.
What should my abs speed sensor reading be?
Rotate the wheel clockwise approximately one revolution per second. The minimum reading should be at least 350 ACmV’s. If the reading is less than 350 ACmV’s, remove the wheel speed sensor. Refer to the applicable Wheel Speed Sensor Replacement procedure in the ABS sub-section of the Service Manual.
What kind of lubricant to use on ABS sensor?
8. Apply (spray) two thin coats of the specified rust penetrating lubricant (corrosion inhibitor) to the complete sensor mounting surface on the bearing hub. Allow to dry for 3-5 minutes between coats. Use ONLY Rust Penetrating Lubricant, P/N 89022217 (in Canada, P/N 89022218).
What to do if your GMC ABS is not working?
Turn the ignition to the “II” position and check the ABS dash light. If the ABS dash light comes on and stays lit, and none of the ABS wires are damaged, it is likely that there is a partial failure in the ABS sensor. For specific information about GMC ABS braking systems, consult the particular vehicle’s manual (see Resources).
What to do if your ABS sensor fails?
Turn the ignition to the “II” position and check the ABS dash light. If the ABS dash light comes on and stays lit, and none of the ABS wires are damaged, it is likely that there is a partial failure in the ABS sensor.
How to troubleshoot Chevy Silverado ABS system problems?
Remove the fuse for the ABS system with a fuse puller located in the fuse box cover. Check the fuse to make sure that it is not blown. If it is, you’ll need to replace it with another fuse of the same amperage. Look behind each wheel of the Silverado. On the back of the wheel hub are the wires for the ABS system.
Why is the ABS light on on my GMC Sierra?
Share it! A poor electrical ground under the battery tray may cause the ABS warning light to illuminate. Our technicians tell us that cleaning and properly securing this ground and also the main ABS ground on the frame rail below the drivers door may be necessary. Ready to sell? CarMax buys all kinds of cars
