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Unread 01-03-2009, 11:56 AM   #1
grey2007
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Join Date: Jan 2009
Location: new york
Posts: 2
jumpy brakes

i tried to search this some but did not find much

i have a 2007 compass it is plain car no power windows or locks or stuff like that just a plane car with power brakes and steering plus air

you know how when you step on the brakes hard or get in some sand or loose material while stopping you can hear the noise and the pedal jumps up and down a bit

well mine does that sometimes when i am just stepping on the brakes to slow down even at 30 mph it will sometime do it

and im not talking stomping on the pedal just a casual step on the brakes to start the slowing/stopping process

i am gonna take it to the dealer to be looked at as i still have a warranty but just thought i would ask here for some ideas

thanks in advance

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Unread 01-03-2009, 12:01 PM   #2
tazman900
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2008 MK Patriot 
 
Join Date: Oct 2007
Location: somerset, nj
Posts: 41
haven't heard of that one yet..please keep us advised.


Rich
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Unread 01-03-2009, 01:12 PM   #3
grey2007
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Quote:
Originally Posted by tazman900 View Post
haven't heard of that one yet..please keep us advised.


Rich
i will for sure

it feels just like the anti lock brakes do at slower speeds but at a higher speed

im gonna get it in soon but been sick all week so next week it will go in and get checked
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Unread 01-03-2009, 04:02 PM   #4
Gramps
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2007 MK Compass 
 
Join Date: Aug 2006
Location: Madison/Janesville, Wisconsin
Posts: 5,624
I think this is something for the dealer to look at too.

It sounds like a possible problem with the ABS, pgs 247-249 Operators manual
Anti-Lock Brake System (ABS) — If Equipped
The Anti-Lock Brake System provides increased vehicle
stability and brake performance under most braking
conditions. The system automatically “pumps” the
brakes during severe braking conditions to prevent
wheel lock-up.


or BAS, pg 140
Brake Assist System (BAS)
The BAS is designed to optimize the vehicle’s braking
capability during emergency braking maneuvers. The
system detects an emergency braking situation by sensing
the rate and amount of brake application and then
applies optimum pressure to the brakes. This can help
reduce braking distances. The BAS complements the
Anti-Lock Brake System (ABS). Applying the brakes very
quickly results in the best BAS assistance. To receive the
benefit of the system, you must apply continuous braking
pressure during the stopping sequence. Do not
reduce brake pedal pressure unless braking is no longer
desired. Once the brake pedal is released, the BAS is
deactivated.
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