3_Percenter

Hello everyone. I had a sensor replaced at dealer once and it cost me $350...After watching Youtube video on how to replace and how much the part cost, i swore I would never let e dealer do it again. Well, I got the message again. I cycled the key 3 times and never got an error code. I conneced my code reader still no error code. I decide to change all 4 sensors. $100 for all 4 isn't bad. I switched out the front ones and the code still came on. I switched out the back ones and code disappeared. It apparently was one of the back sensors. What has me concerned is that the back sensors had metal filing on them when removed. Is this normal? They are original and my jeep has almost 60,000 miles on it. I hope this isn't a sign of bad things to come...

ronjenx

It doesn't look like the sensor was rubbing on anything. How old are the rear brake pads and disc? If the shoes are down to metal, that could be the source of the filings on the sensor.

3_Percenter

pads are low but not hitting metal. I already ordered replacements.

Mr.T

My experience is that looks normal, and all that was necessary was to wipe it off and re-fasten it.

On my 2008, both rear sensors now get cleaned every year or two as preventative maintenance. During replacement of the rear pads I also took off the rotor/drum and cleaned out the parking brake & axle area with water -- the reluctor (tone ring) is on the axle. The sensor is exposed inside the parking brake drum and attracts any iron particles from wear/corrosion, which is worse with water crossings.

3_Percenter

Thank You. Good Idea about cleaning the sensor every year as a maintanance point. Easy to get too in back.
Thanks again.
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