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Discussion Starter · #1 ·
Hello. I was leaving the gym tonight and stopped in a dirt lot to try out 4wd since I haven't tested it since I got it . Drove it back and forth (still don't know how to tell) put it back in 2hi and drove off. Now the brake light is on and when I got home I noticed the pedal travels a lot more than before. What happened? Had the exhaust done a few weeks ago and the mechanic said brakes are at 50%. What could it be? Thanks guys
 

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Maybe a brake line blew?

Usually the light comes in for one if two reasons; either the parking brake is partially engaged, or there's a fault in your braking system..
 

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Discussion Starter · #3 ·
Brake lines were replaced right before I bought it last month and I don't see fluid on the ground
 

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My brake line blew out on the rear proportioning valve and the same thing happened. Pedal to the floor and idiot light came on. I had it repaired and a month later it blew again. The guy didn't flare the line enough the first time he fixed it.
 

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Hello. I was leaving the gym tonight and stopped in a dirt lot to try out 4wd since I haven't tested it since I got it . Drove it back and forth (still don't know how to tell) put it back in 2hi and drove off.
It should definitely feel different in 4wd, especially 4 low, and even more so in a turn.

Now the brake light is on and when I got home I noticed the pedal travels a lot more than before. What happened? Had the exhaust done a few weeks ago and the mechanic said brakes are at 50%. What could it be? Thanks guys
Sounds like either a blown line or blown wheel cylinder or caliper.
 

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Discussion Starter · #7 ·
The brake fluid resovoir appears to be just about empty . It wouldn't just be low it had to go somewhere right? There's no correlation to me using the 4wd right?
 

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Fill the master cylinder with fluid, put your foot on the brake, and push. If the pedal drops to the floor, then the fluid has to be leaking out somewhere. I would park on a driveway and pump the pedal a few times, and then walk around the jeep and look for the puddle, it should be pretty obvious where the leak is.

I just replaced the steel lines on our 2002 with stainless because one of the lines rusted out and blew.

sm
 

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Discussion Starter · #12 ·
Turns out the rear brake cylinder exploded on one side. All new back brakes and I'm back in business
 
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