Cartoon Network

28 March 2014

[DIY] Re: Front brake sensor F150

 

Jan,


If AutoZone says they pin-pointed it down to a sensor, I would go with that.  The reason they couldn't give you a code is because the brake system is separate from the Engine/Transmission Control modules/computers.  Brake systems don't spit out codes like the other modules...not yet anyway.  That's why the dealer wanted to charge you $95...it takes special equipment to read the brake system.

The sensor is absolutely a DIY job to replace it...if it's faulty.  Inspect it before you purchase a new one.  Sometimes they can get mud/oil/dirt/etc. on the sensor "eye", or the cable may have gotten pinched in some of the brake hardware when the technician put everything back together.  To find the sensor, look behind the tire on the corner of the vehicle that autozone said was bad.  There should be two separate "cable" looking things.  One is your brake fluid line (goes to the caliper)...the other one is the sensor (goes to a bracket and points at a "gear" looking part.

The only problem is, with some vehicles it take that same special equipment to reset the code that is tripping your ABS light.  So, even if you replace the sensor that is causing the problem, you could still have a light until its reset.

Lucky for you, your local AutoZone has that equipment and will probably reset it for you if you decide to replace the sensor yourself...especially if you purchase the sensor from them.

I got lucky the last time I replaced one and the code reset just by disconnecting the battery for a day.

Good luck!!

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