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brackenbury

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Discussion starter · #1 ·
Hi,

I've had my Jeep for a few months now, but havn't done much winter driving (our roads are usually clear)
I went out for a drive yesterday and was on a snow packed road, as I went to stop, the brake pedal started to viberate and make a sound. The jeep had trouble stopping.

This is the first time Ive had this happen, it did happen again later on one more time. It was surprising to me at first I was like whoaa what's happening.

Was it the ABS? Is there something from with the brakes?
I didn't have ABS in my old car and never experienced a viberating brake pedal.

What could this be? On dry roads it was completely normal braking.
 
#3 ·
That sounds to me like your ABS. In some cars its a buzzing sound, in Jeeps it's a crunching sound. If you hadn't heard that before it probably was scary -- it sounds like something is falling apart.

Yes, your Patriot probably had trouble stopping, but it would have had more trouble stopping without the ABS. What you hear is the mechanism doing what the driver would do (touching and releasing the brakes to avoid skidding) only the ABS system does it much faster and for each wheel, not just the whole system. The amazing thing is you can still steer while this is going on and that can be a life saver or at least a fender saver..

I suggest you find a safe place like an empty parking lot or a deserted road and practice some snow driving so you get used to what's happening and how your vehicle reacts.
 
Discussion starter · #4 ·
Sandstone said:
It does sound like the ABS kicking it.

Was the road slick where it happened?

Did any indicator lights (abs, traction, etc.) come on at that time? Are there any on now?
Click to expand...

Yes the road was slick
the ABS light did not come on
There is no ABS light on now

as soon as i went to the next road - it was completely fine

So my question is - next time this happens, what do I do? Do i keep my foot on the brake? do i release it?
it was kinda scary,

other than that the brakes were fine
 
Discussion starter · #5 ·
Ignatz said:
That sounds to me like your ABS. In some cars its a buzzing sound, in Jeeps it's a crunching sound. If you hadn't heard that before it probably was scary -- it sounds like something is falling apart.

Yes, your Patriot probably had trouble stopping, but it would have had more trouble stopping without the ABS. What you hear is the mechanism doing what the driver would do (touching and releasing the brakes to avoid skidding) only the ABS system does it much faster and for each wheel, not just the whole system. The amazing thing is you can still steer while this is going on and that can be a life saver or at least a fender saver..

I suggest you find a safe place like an empty parking lot or a deserted road and practice some snow driving so you get used to what's happening and how your vehicle reacts.
Click to expand...
Will the patriot always make that sounds when it happens, if so, omg that can be annoying
 
#6 ·
brackenbury said:
Yes the road was slick
the ABS light did not come on
There is no ABS light on now

as soon as i went to the next road - it was completely fine

So my question is - next time this happens, what do I do? Do i keep my foot on the brake? do i release it?
it was kinda scary,

other than that the brakes were fine
Click to expand...
Ok, then it was probably just the ABS trying to keep the wheels from locking up and causing a skid.
It's normal, that's just the sound it makes when the system is working and quickly pulsing the brakes.
 
#7 ·
brackenbury said:
Will the patriot always make that sounds when it happens, if so, omg that can be annoying
Click to expand...
Yes, it will make a crunching noise whenever it is activated. Just like your engine makes a scratchy sound when you start, rumbles while it's on, and like the signal lights click when you signal for a turn. That is the sound they make when they're working.

Under normal conditions they will never activate and so you will never hear them. If you are aware of the conditions and drive prudently your ABS brakes may never engage because you won't need them. Anticipate your stops in slippery conditions and start slowing down before you would normally. If you do that you may never hear them because they may never activate.

Please do all you can to avoid needing the ABS feature. If you do, you'll probably never hear that noise again. :)
 
#8 ·
brackenbury said:
So my question is - next time this happens, what do I do? Do i keep my foot on the brake? do i release it?
it was kinda scary,
Click to expand...
The proper method to use ABS brake systems is to plant your foot firmly, consistently on the brake pedal and steer. Don't pump the brakes. Linky: Driving with ABS - SafetyServe

I agree with others - find an empty snow covered parking lot and give it a try.
 
#10 ·
Treegrower gives good advice. Besides the funny noise the pedal may act strangely. Just keep the needed pressure on the pedal and the system will do its best to stop you.

Newt, I agree. It can be fun. The first time I ever did a donut I was only 16 and had minimal experience driving in snow. I was on a deserted road showing off to a friend. I was only trying to fishtail and I lost it. :oops: I didn't hit anything but it was scary losing control -- it's amazing how fast the rear end can come around. I didn't hit anything and I tried to laugh it off but my friend knew better. Probably my expletive gave it away. "That was more than you planned on, wasn't it?"
 
#11 ·
At a local university empty parking lot I saw a person jump into their truck, too hurried to scrape off the windshield frost, and proceed to plow into a large concrete lamp post support. Ouch!!!!!!!!!!!!!!!!!! (Offered as advice, not mockery, karma disciples, LOL).

My workplace Dodge Ram ABS system is quite unnerving also. Chattering, beating, hard-to-describe. First impulse is to let off the pedal.
 
#12 ·
I accidently found a reasonably safe way to check your ABS. On a wet day on a side street, align your drivers side tires with a manhole cover and try to do a panic stop over it. The ABS will activate for the fraction of a second the front tire
and rear tire go over the manhole ( so you'll get a brupp, pause, brupp ) but otherwise the vehicle should still stop
straight. You could repeat for the passenger side.
 
#15 ·
The first time I experienced ABS, I thought " What the hell is this ? " but no, that's how it works. The pedal is jumping up and down and I thought the rotors were thoroughly shot. Nope that's how it is supposed to work.
 
#16 ·
brackenbury said:
Hi,

I've had my Jeep for a few months now, but havn't done much winter driving (our roads are usually clear)
I went out for a drive yesterday and was on a snow packed road, as I went to stop, the brake pedal started to viberate and make a sound. The jeep had trouble stopping.

This is the first time Ive had this happen, it did happen again later on one more time. It was surprising to me at first I was like whoaa what's happening.

Was it the ABS? Is there something from with the brakes?
I didn't have ABS in my old car and never experienced a viberating brake pedal.

What could this be? On dry roads it was completely normal braking.
Click to expand...
 
#17 ·
Perfectly normal for ABS on packed snow/ice...preventing you from locking up a wheel and skidding out of control......main thing is SLOW DOWN.....using manual mode on the transmission can help too....first gear is a VERY deep gear reduction for pulling....
 
#18 ·
Treegrower said:
At a local university empty parking lot I saw a person jump into their truck, too hurried to scrape off the windshield frost, and proceed to plow into a large concrete lamp post support. Ouch!!!!!!!!!!!!!!!!!! (Offered as advice, not mockery, karma disciples, LOL).
Click to expand...
In New Hampshire we have "Jessica's Law." Your vehicle must be cleared of snow & ice. The law is named for a girl who was killed when snow flew off the roof of a truck causing an accident.
 
#19 ·
[QUOTE = "brackenbury, publicaciĂłn: 1877888, miembro: 161926"]
Hola,

He tenido mi Jeep desde hace unos meses, pero no he conducido mucho en invierno (nuestras carreteras suelen estar despejadas)
SalĂ­ a dar una vuelta ayer y estaba en una carretera llena de nieve, cuando me detuve, el pedal del freno comenzĂł a vibrar y hacer un sonido. El jeep tuvo problemas para detenerse.

Esta es la primera vez que me ha pasado esto, volvió a suceder más tarde una vez más. Al principio me sorprendió que pensara que estaba pasando.

ÂżFue el ABS? ÂżHay algo con los frenos?
No tenía ABS en mi auto viejo y nunca experimenté un pedal de freno vibrante.

¿Qué podría ser esto? En carreteras secas fue una frenada completamente normal.
[/CITA]

Hola, la primera vez que frené de emergencia con un auto con ABS fue una experiencia extraña, pensé que había roto algo del auto, el pedal de freno en algunos autos transmite una vibración;
como te recomendaron anteriormente, trata de frenar fuerte en algĂşn lado que sea seguro para entender el mecanismo. El ABS impide que se bloqueen las ruedas y sinceramente en situaciones de urgencia, sirve!
 
#20 · (Edited)
Ignatz said:
In New Hampshire we have "Jessica's Law." Your vehicle must be cleared of snow & ice. The law is named for a girl who was killed when snow flew off the roof of a truck causing an accident.
Click to expand...
Here in Western, NY, there's a law stating that you have to clear your windows and cannot have more than an inch of snow on your roof. Unfortunately I've never seen it enforgced. Really upsets me to see someone driving with 3 feet of show on their car with just one little port-hole out the windshield.
 
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