You took the words out of my mouth.
E-parking brake ?
Tech Contributor
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From: Northern VA
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Melting Slicks
Joined: Jul 2011
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From: So Cal
And I'm willing on betting that exactly zero people on this thread, and maybe you can count on one hand of all forum members who actually could do this maneuver if they tried. Reminds me of motorcycle forums where people don't want ABS because they contend that they can't "put the bike down" in the event of an impending crash. I ask them how many times they have practiced putting a bike down at speed.
Team Owner
Joined: Jun 2001
Posts: 26,714
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From: Houston, TX
I bet you're wrong.... I personally know of at least 4 who used to do it regularly, sometimes to parallel park in an entertaining cloud of smoke. Bottom line, who cares. A car should do exactly and only what you tell it to do, every time, the same way, and never do anything at all you don't tell it to.
If I pull the parking brake, try to open the door, turn the lights on or off or any other system, it should do it. if I want to turn the car over in gear on the starter, it should do it. If I regret it, that 's my problem. If I want to drift a car into a corner sideways on the brakes, it should do it.
I don't want some annoying warning popping up all the time.
I can't accept a throttle or brake pedal that argues with my inputs.
I can live with concessions for basic abs (with no vses, no drp stability functions, no edc) but that's it.
A car that won't open the freaking door or use the rear brakes or the e brake when I want it to, or that chimes or dings at me, or changes the volume or temperature on me, or won't turn off the lights, all that is just bullcrap.
but all this is not even as important as the OP - the Parking brake is also an EMERGENCY BRAKE, it should be a powerful and independent mechanical brake that is not dependent upon any other system in the car (especially battery power or brake hydraulics) and works exactly as the user directs, to prevent the rear wheels from moving when and in the amount applied.
anything less is gross negligence and inexcusable.
If I pull the parking brake, try to open the door, turn the lights on or off or any other system, it should do it. if I want to turn the car over in gear on the starter, it should do it. If I regret it, that 's my problem. If I want to drift a car into a corner sideways on the brakes, it should do it.
I don't want some annoying warning popping up all the time.
I can't accept a throttle or brake pedal that argues with my inputs.
I can live with concessions for basic abs (with no vses, no drp stability functions, no edc) but that's it.
A car that won't open the freaking door or use the rear brakes or the e brake when I want it to, or that chimes or dings at me, or changes the volume or temperature on me, or won't turn off the lights, all that is just bullcrap.
but all this is not even as important as the OP - the Parking brake is also an EMERGENCY BRAKE, it should be a powerful and independent mechanical brake that is not dependent upon any other system in the car (especially battery power or brake hydraulics) and works exactly as the user directs, to prevent the rear wheels from moving when and in the amount applied.
anything less is gross negligence and inexcusable.
Pro
Joined: Feb 2009
Posts: 516
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the e brake, or the p brake in the new c7 is NOT hydraulic it is a electric actuated mechanical brake ,can you not understand this
Le Mans Master
Joined: Oct 2010
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From: cold & windy
and before the manual guys chime in about how crappy the factory lever brake is, mine was crappy, too... until i adjusted the cable to make it as tight as it was supposed to be. before, i could push the car with the brake on, but after fixing it, it'll hold itself on a slight hill in neutral
Melting Slicks
Joined: Nov 2002
Posts: 3,098
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From: North shore,Ma./Naples Florida
Are there a lot of 90 year olds on here or what? These brakes have been on cars for some time and they work just fine and make the old style totally obsolete. Its time to move on and catch up with the times. The last three or four of my cars have this brake and it's a totally welcome change.
Le Mans Master
Joined: Jul 2009
Posts: 9,526
Likes: 12
From: Los Angeles California
You missed the point. No matter whether it's safer or not, button is a wussy item. It's about control and the joy of driving. Just because the older manual handbrake didn't work as well as it should it doesn't mean that the design is inherently flawed, just the implementation.
Even so, I've never been in a car where someone hit the ebrake in a way that locked wheels. But I have been in cars where someone threw the transmission in R of the freeway and it did fire back. I've also been hit by a guy who started the car in reverse instead of drive. I think ****** drivers select themselves into autos, not that all auto drivers are ******. I've been nearly hit by another reverse by mistake auto driver but never been in that situation with a manual driven car. Despite the fact that they roll back easily on hills the drivers are much better and compensate for the simplicity of the transmission with skill. How about that.
Even so, I've never been in a car where someone hit the ebrake in a way that locked wheels. But I have been in cars where someone threw the transmission in R of the freeway and it did fire back. I've also been hit by a guy who started the car in reverse instead of drive. I think ****** drivers select themselves into autos, not that all auto drivers are ******. I've been nearly hit by another reverse by mistake auto driver but never been in that situation with a manual driven car. Despite the fact that they roll back easily on hills the drivers are much better and compensate for the simplicity of the transmission with skill. How about that.
The only thing you probably lose with this setup is any chance of pulling off a nice bank robber's 180. Saved my life once in my 1989 Z51 with that maneuver but that's a long story and was a once in 100 lifetimes situation after being run off the road by a semi at night. Still, 180's are fun.
I'm not sure how many times I need to repeat myself in this and other threads, but: the electronic brake in the CTS-V works just fine even when the car is in gear and moving. So unless GM has re-written the controller software for that, it'll activate when you're in motion.
jas
jas
Two ways you can do this. The correct way and the incorrect way:
Correct way:
- Keep the clutch and brake peddle pressed all the way in.
- Keep the car in first gear at the stop. (You should do this NO MATTER WHAT, regardless of an incline.)
- When the light turns green, or it's time to go, begin letting off the clutch at the same time you let off the brake.
- Immediately give the car gas and quickly but smoothly let out more of the clutch until the car either stays stationary (not rolling back) or begins to roll forward.
- Balance the clutch and gas and smoothly accelerate forward.
This process should take no more than 1 second. Practice makes perfect.
Incorrect way:
- While coming up to the stop, hold the clutch half way in so that it's partially engaged.
- Modulate the gas and clutch to keep the car stationary or rolling back and forth, giving you control of the car without using the brake.
- When the light turns green, or it's time to go, you simply let out the clutch and give it more gas.
This is bad for the entire driveline. I recommend you DO NOT do this. It's the incorrect and "Newb" way to drive on an incline. You will very quickly burn out your clutch, and possibly hurt your transmission, differential and even your engine.
Last edited by SCM_Crash; Feb 9, 2013 at 06:00 AM.
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Tech Contributor
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I'm not sure what I was supposed to be looking below at. The system won't let you do bootleggers, if that's what you mean. It activates all four calipers, bypassing the ABS completely. The wheels will lock and you'll flat-spot the tires if you're not careful.
jas
jas
Le Mans Master
Joined: Jul 2009
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From: Los Angeles California
LOL! I put the quotes in the wrong order... Ooops. (Fixed)
Drifting
Joined: Feb 2005
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The brake should not depend on battery power or brake hydraulics as a matter of fundamental redundancy. And t should only work the rear rotors as a matter of safety for a rear drive car as well as for the coincidence of being fun.
Just because the world is ruled by electrical and software folks these days does not justify departure from sound principles.
Just because the world is ruled by electrical and software folks these days does not justify departure from sound principles.
Advanced
Joined: Feb 2009
Posts: 67
Likes: 0
From: Westerville Ohio
I have had experience using an "Automatic-Electric" parking brake on a rental van in Europe last year.... What a disaster that was. Of course the rental was so under powered that it would stall before I could get the E-Brake disengaged. With a bit more torque it may be useable, and for those of you who may say, "Learn how to drive manual transmission vehicles." I drive a 2008 Z06 and never have a problem with the gears. The rental van was a Renualt mini-van and we used it in the Alps.
Last edited by First Z06; Feb 9, 2013 at 11:15 AM. Reason: Edited for clarity
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jas
Le Mans Master
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From: cold & windy
stuff i gotta ask is does this system have its own master cylinder setup? will that have to be checked/serviced? how much more is this gonna cost to fix when it breaks than a standard cable/shoe system? what are the weight differences between all these components compared to the normal system?
Burning Brakes
Joined: Aug 2005
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From: Springfield MO
Wrong on the face of it. Why would you NOT want some sort of further means of applying brake independent of the hydraulic system? That makes less than no sense. Just because master cylinders have two zones changes nothing about the wisdom of also have a mechanical braking option. Double Period.
Burning Brakes
Joined: Aug 2005
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From: Springfield MO
Are there a lot of 90 year olds on here or what? These brakes have been on cars for some time and they work just fine and make the old style totally obsolete. Its time to move on and catch up with the times. The last three or four of my cars have this brake and it's a totally welcome change.
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Le Mans Master
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From: cold & windy
is anybody here contesting whether or not it's required by law? you're the only one bringing that up. everybody else is talking about how they don't like the implementation of the system.
the big beef is that most people would prefer to have a parking brake that works independently of the hydraulic system (which just so happens to be the same rule for the old emergency brakes) so that, in the event of a hydraulic failure - be it a bad valve, cut line, etc., the car will still stay in place regardless of the transmission setting
the big beef is that most people would prefer to have a parking brake that works independently of the hydraulic system (which just so happens to be the same rule for the old emergency brakes) so that, in the event of a hydraulic failure - be it a bad valve, cut line, etc., the car will still stay in place regardless of the transmission setting
Last edited by _zebra; Feb 9, 2013 at 02:18 PM.
Le Mans Master
Joined: Oct 2010
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From: cold & windy
stuff i gotta ask is does this system have its own master cylinder setup? will that have to be checked/serviced? how much more is this gonna cost to fix when it breaks than a standard cable/shoe system? what are the weight differences between all these components compared to the normal system?
Melting Slicks
Joined: Jul 2011
Posts: 2,055
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From: So Cal
Basically, it is what it is. Unless you quite literally experience a one in a million situation, you will likely never have the slightest complaint about this system. At this point, we are all guessing as to exactly what the potential pitfalls are, so maybe just wait and see.
One thing for certain, with this type of PARKING BRAKE system, you do have to be careful after extreme intensive use of the brakes such as track use or autocrossing. You cannot set this type of parking brake until the brakes have cooled to a more normal level. If you are really using these brakes to their max performance level, it will probably take about 20 to 30 minutes for them to cool to the point that you can safely set the parking brake.
One thing for certain, with this type of PARKING BRAKE system, you do have to be careful after extreme intensive use of the brakes such as track use or autocrossing. You cannot set this type of parking brake until the brakes have cooled to a more normal level. If you are really using these brakes to their max performance level, it will probably take about 20 to 30 minutes for them to cool to the point that you can safely set the parking brake.