Question about 1999 GMC Jimmy

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99 gmc jimmy abs light comes on and off brakes are acting up more and more the pedel gets real hard to puch and then they skid till the truck stops.... just replaced booster didnt fix it

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You have a bad abs wheel sensor. each wheel has there own independent sensor. You need to have it scanned, usually about 40 bucks. You can have a mechanic do it or do it yourself. They usually are only one plug and bolt holding them in. Mechanic will charge about 100 bucks to do it and it only takes 15-20 minutes. JC Whitney has them for your truck for about 30 bucks. The brakes will NOT work correctly until you fix this. You can mess up the module if you dont fix and theyre costly. Be safe and get it fixed.
follow this link:http://www.handymanlyness.com/archives/auto/repair/driveline/4x4_front_bearing/GM_truck/hub_replace_99_Jimmy.html
scroll down to disconnecting the abs sensor, this will show you how to remove and replacing is the opposite. You need the scan to find out what wheel it is, good luck

Posted on May 18, 2011

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Posted on Jan 02, 2017

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