ABS ? On GMC Truck didn`t know where to post it.
10-31-2008, 10:27 PM
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ABS ? On GMC Truck didn`t know where to post it. Ok my friend has a 1999 GMC Sierra and he unhooked his ABS brake system because it was chewing up his rotors and pads but now hes got a problem of his back breaks grabbing before the front. What can he do to fix this besides fix the ABS system because he just wants to get rid of the ABS all togther? They grab so bad that when he slammed on the breaks to miss a deer last night that it spun him around and he ended up in the ditch.
10-31-2008, 10:31 PM
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Ok my friend has a 1999 GMC Sierra and he unhooked his ABS brake system because it was chewing up his rotors and pads but now hes got a problem of his back breaks grabbing before the front. What can he do to fix this besides fix the ABS system because he just wants to get rid of the ABS all togther? They grab so bad that when he slammed on the breaks to miss a deer last night that it spun him around and he ended up in the ditch.
10-31-2008, 10:35 PM
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Hes got 4 wheel disc and i don`t understand how the abs was chewing them up either but it was cuz since he unhooked it the brakes have been fine except for the back grabbing before the front.
10-31-2008, 10:39 PM
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well if it is 4 wheel disc, the only things that can cause that issue of rear over front is either the master cylinder or the brake pressure modulator valve. take your pick 
10-31-2008, 10:50 PM
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10-31-2008, 10:53 PM
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10-31-2008, 11:00 PM
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10-31-2008, 11:09 PM
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Tell him to hook everything back up. It's a problem with most silverados 99 to 02. They have a bad habit of tearing up the rear rotors even twice as quick as the fronts. We had to replace the rears at the dealership I worked at all the time. My 2000 did it my dads 2001 did it, and a friends 2002 did it as well. Occasionally people will get lucky and have one that doesn't do it but chances are it will.
10-31-2008, 11:17 PM
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11-01-2008, 01:20 AM
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Tell him to hook everything back up. It's a problem with most silverados 99 to 02. They have a bad habit of tearing up the rear rotors even twice as quick as the fronts. We had to replace the rears at the dealership I worked at all the time. My 2000 did it my dads 2001 did it, and a friends 2002 did it as well. Occasionally people will get lucky and have one that doesn't do it but chances are it will.
11-01-2008, 01:21 AM
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11-02-2008, 11:09 AM
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No not that I'm aware of. It's just the way the trucks are. They don't wear them out quick enough to be any real concern for gm and most people don't view it as a problem. Just break wear.
