antilock light
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Elder User
Joined: Mar 2004
Posts: 759
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From: mohave valley, arizona
antilock light
my rear antilock brake light came on today, didnt feel anything different. i decided to adjust the brakes, rear, and it will still do it, but not always, suggestions.
Senior User
Joined: Dec 2010
Posts: 359
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From: Shafer, MN
If I remember right the ABS system on these trucks was kind of a cluster. But like I said mine comes on sometimes and everything is ok.
Just make sure brake fluid is at a good level and check that brakes have been serviced recently should be no issue.
Just make sure brake fluid is at a good level and check that brakes have been serviced recently should be no issue.
Tuned
Joined: Feb 2016
Posts: 492
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Your RABS valve may have issues. If you have a gravel road around you can test it by driving about 20 mph and then lock up the brakes. Rear antilock should activate. If not there is an issue with the RABS or the wiring/circuit. I had the same thing (intermittent light that eventually stayed on) and had to replace mine.
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Elder User
Joined: Mar 2004
Posts: 759
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From: mohave valley, arizona
well after adjusting the rear brakes it seemed fine all day, until i pulled up at home, then the light came on again. so its random. brakes feel fine.
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Unless the RABS module has failed internally (which mine did leading to a spongy pedal) the brakes will work normally. While the light is on pull the codes to see what is happening with the system otherwise you are doing nothing to find out the cause of the light. Is the module or sensor starting to fail? Is there a wiring problem?
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