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Hollis
Dodge Dakota
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4/20/2007
22:51:03
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 Subject: Inconsistant Braking
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I just had my rotors changed. The repair shop said my pads and shoes were fine. It brakes fine up until a certain point, then it brakes alot harder with only slightly more pressure applied to the pedal. It's a 2001 4.7 QC AWD with about 110,000 miles on it. Just got it a few months ago, and it's been doing this ever since I got it. Something's definitely not right about it. My other two cars brake smooth as silk. I get alot of brake dust on my front wheels, but that may just be normal.
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.boB
Dodge Dakota
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4/21/2007
19:51:07
|  RE: Inconsistant Braking
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What pads did you have them install?
Sounds like a performance pad.
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Kowalski
GenIII
4/22/2007
07:11:44
| RE: Inconsistant Braking
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Shouldn't a performance pad still have a linear feel to it's aplication ? I wouldn't want a performance pad that suddenly got more agressive in it's grip after a certain point.
What if the bore in the master cylinder has become worn where the piston starts pushing fluid; then seals better as it gets to a section that hasn't been used as much ? It seems to me that might produce the symptoms of the problem described. That, or maybe there is a groove worn in the caliper bore, where it's piston could hang up momentarily; then apply more pressure as it jumps past.
Lead, follow, or get out of the way
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Hollis
Dodge Dakota
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4/22/2007
15:20:34
| RE: Inconsistant Braking
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The repair shop said that the pads and shoes were fine, but the rotors needed to be changed, so that's all they did. The brakes have been inconsistant ever since I've had the truck. After the rotor change, they were much better, but they are still inconsistant, just not as bad.
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OBIO3
Dodge Dakota
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4/22/2007
16:06:17
| RE: Inconsistant Braking
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I'm assuming you mean the pedal requires more pressure to stop the truck after using them a while. If so. the question here is, how much do you use your brakes ? At a certain point they get hot and don't work so great. Dakotas are more pron to this then most. You may also be glazing the pads by using them more then they can handle normally. Air in the lines can cause a spongy pedal but you never described it this way. You most likely are one of those Dakota owners that need a better quality pad then OEM.
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Hollis
Dodge Dakota
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4/22/2007
17:01:42
| RE: Inconsistant Braking
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I'm not an aggressive driver. I drive with one foot. I'm not at all hard on my brakes. My S-10 and my wife's Grand Am both go years without needing brakes. Also, the truck was like this when I bought it about 4 months ago. Your advice has been most helpful. I know now that the problem is something that I need to take to a brake specialist. I will decribe the problem as best I can and hope they have a remedy. Thanks again for all the info.
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Pitadak
Dodge Dakota
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4/22/2007
18:53:55
| RE: Inconsistant Braking
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Maybe a bad brake booster. I'll be going on my third one soon. Yes, I've replaced the master cylinder too. The rest of the brake system is O.E. 98, 40K miles.
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shadetree
Dodge Dakota
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4/23/2007
11:40:16
| RE: Inconsistant Braking
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It would seem to me that the problem is in the back brake system. You have an abnormal build up of brake dust in the front indicating that the front pads are doing more work than they should. I would pull the rear drums of and check your adjusters and make sure they are working properly. Also check the drums to make sure they are still in round and not egg shaped at all. However I have seen cases where the front hoses will collapse and act as a kind of one way valve keep the fluid in the caliper which keeps the pads incontact with the rotor creating excessive dust.
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