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2011 Dodge Nitro Pulsating Brakes

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Versa09
User

Feb 4, 2024, 8:54 PM

Post #1 of 5 (7098 views)
2011 Dodge Nitro Pulsating Brakes Sign In
This doesn't happen during my usual 15-20 minute trips to town at 60mph, but seems to always happen when I've had to drive 45-60 minutes at 70mph.

When exiting the highway or otherwise quickly slowing from freeway speeds, my braking seems to pulse below 40mph or so. The brake pedal is not pulsing, only the actual braking/slowing of the car, maybe 1-2 pulses per second.

I've been thinking it was a warped rotor until a week ago when I noticed the same pulsing while creeping in dense traffic with no pressure on the brake pedal at all.

Could a dragging caliper/brake pad be overheating and warping a rotor to the point where the rotor and dragging brake pad were creating the pulsing effect even when not braking?

And would the rotor be returning to its original shape after it cools, because there's no sign of the behavior the next day while running short errands.
-
2011 Dodge Nitro SXT
SUV 4D (3.7L V6 SMPI)
Odometer: 102,000 miles


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 5, 2024, 5:06 AM

Post #2 of 5 (6966 views)
Re: 2011 Dodge Nitro Pulsating Brakes Sign In
There's a pretty simple solution to finding this problem. Simply take it to a shop so they can measure the runout of the brake rotor.

No, the rotor won't warp and then go back to normal but you can have hot spots in the rotor that will act differently.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Versa09
User

Feb 5, 2024, 7:07 PM

Post #3 of 5 (6596 views)
Re: 2011 Dodge Nitro Pulsating Brakes Sign In
In Reply To
There's a pretty simple solution to finding this problem. Simply take it to a shop so they can measure the runout of the brake rotor.
Thanks, I'll do that!
-
2011 Dodge Nitro SXT
SUV 4D (3.7L V6 SMPI)
Odometer: 102,000 miles


Versa09
User

Mar 19, 2024, 1:53 PM

Post #4 of 5 (985 views)
Re: 2011 Dodge Nitro Pulsating Brakes Sign In
In Reply To
There's a pretty simple solution to finding this problem. Simply take it to a shop so they can measure the runout of the brake rotor
Sorry it took so long to update this question. I did take the car to a garage and after a brief inspection, was told I needed new brakes so I just went ahead and had all the rotors and pads replaced, which took care of my pulsating brakes issues. The also found that one of my calipers was sticking, so I had that replaced as well. Yesterday was my first chance to medium-distance freeway-test the new brakes, and they're smooth as silk! Thanks very much for the advice!
-
2011 Dodge Nitro SXT
SUV 4D (3.7L V6 SMPI)
Odometer: 102,000 miles


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Mar 19, 2024, 1:56 PM

Post #5 of 5 (982 views)
Re: 2011 Dodge Nitro Pulsating Brakes Sign In
You should be good now. Just don't overheat the brakes. It was probably the sticking caliper that caused the overheat this time.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Mar 19, 2024, 1:56 PM)





 
 
 






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