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E brake issues???

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Old Dec 19, 2020 | 04:11 PM
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Default E brake issues???

What am I missing? When I leave the car, the e brake won’t engage. Doesn’t matter how I exit the car. Only way is if I manually engage it.
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Old Dec 19, 2020 | 04:33 PM
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Originally Posted by lkngshrp
What am I missing? When I leave the car, the e brake won’t engage. Doesn’t matter how I exit the car. Only way is if I manually engage it.
Is that an issue?

When I have been driving hard I do not set the ebrake and just leave it in park so I would not want it to automatically engage - perhaps it is designed not to set automatically so you have the option
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Old Dec 19, 2020 | 04:37 PM
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On a track car after a hot session, you DON'T want to set the e-brake when entering the pit or paddock area until the rotors have cooled off a bit. My guess is this is the reason Porsche requires setting the e-brake manually.
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Old Dec 19, 2020 | 08:37 PM
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Default Thank you

Originally Posted by gcurnew
On a track car after a hot session, you DON'T want to set the e-brake when entering the pit or paddock area until the rotors have cooled off a bit. My guess is this is the reason Porsche requires setting the e-brake manually.
Appreciate it. I’m a track veteran and this is front and centre for me. Just a bit weird as my wife’s Macan doesn’t behave this way and my last couple track cars didn’t either. I was mostly trying to make sure it was functioning properly is all. Cheers
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Old Dec 19, 2020 | 08:55 PM
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I don't have my 992 MT yet, but on my 997 MT I set the handbrake every time I park, so it is not relying on the transmission to hold the car, and it could then roll. I know automatic transmission is different, but I would hope that e brake automatically engages on the MT model.
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Old Dec 19, 2020 | 09:15 PM
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Originally Posted by gcurnew
On a track car after a hot session, you DON'T want to set the e-brake when entering the pit or paddock area until the rotors have cooled off a bit. My guess is this is the reason Porsche requires setting the e-brake manually.
Agree with this. Every track training session I have attended, the instructors say the same.
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Old Dec 19, 2020 | 09:18 PM
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Originally Posted by ced4jets
Agree with this. Every track training session I have attended, the instructors say the same.
My understanding is that E brake doesn't actuate on the rotors, it has a separate hardware, similar to a drum brake.

Last edited by John Mclane; Dec 19, 2020 at 09:20 PM.
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Old Dec 19, 2020 | 09:24 PM
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Originally Posted by John Mclane
My understanding is that E brake doesn't actuate on the rotors, it has a separate hardware, similar to a drum brake.
Correct.
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Old Dec 19, 2020 | 09:39 PM
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Originally Posted by John Mclane
My understanding is that E brake doesn't actuate on the rotors, it has a separate hardware, similar to a drum brake.
Interesting, first electronic e-brake for me.
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Old Dec 19, 2020 | 11:23 PM
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Originally Posted by John Mclane
My understanding is that E brake doesn't actuate on the rotors, it has a separate hardware, similar to a drum brake.
Mea culpa: I have info that shows what you are saying John to be correct. To answer the OP's question, the system does need to be manually actuated and is not designed to deploy automatically, but it's not pressing pads against the rotors...there are two separate systems.
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Old Dec 20, 2020 | 12:34 AM
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Default Makes sense

As the rear caliper doesn’t look like all those other single piston electronic brake ones. It’s proper. As usual I learned something new. Much appreciated!
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Old Dec 20, 2020 | 10:13 AM
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Me too learned something new - interestingly if I drive up to a card swipe entry garage and open the door to increase my lean and am still in gear. the e-brake automatically deploys at that point.

So what is the mechanics of purposefully or accidentally pulling the ebrake as a supplemental stopping maneuver ?

Last edited by craig66; Dec 20, 2020 at 09:34 PM.
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Old Dec 20, 2020 | 09:26 PM
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Default So I tried this today...

[QUOTE=craig66;17106221]Me too learned something new - intestinally if I drive up to a card swipe entry garage and open the door to increase my lean and am still in gear. the e-brake automatically deploys at that point.

In gear, I opened the door and the e brake did not engage. Am I missing something? Mine is a 2021 btw. Short of engaging it manually it doesn’t work anywhere else.

weird
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Old Dec 20, 2020 | 09:33 PM
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[QUOTE=lkngshrp;17107806]
Originally Posted by craig66
Me too learned something new - intestinally if I drive up to a card swipe entry garage and open the door to increase my lean and am still in gear. the e-brake automatically deploys at that point.

In gear, I opened the door and the e brake did not engage. Am I missing something? Mine is a 2021 btw. Short of engaging it manually it doesn’t work anywhere else.

weird
So let me say that was in my Boxster, I do not know what the 992 does in that situation but I would assume it would be the same thing. I will let you know later this week when I get it
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Old Dec 20, 2020 | 10:36 PM
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Not there yet, but my understanding is that with MT the brake automatically engages if on a upward slope of 5 degrees or more, so you don't roll backward. Were you on a slope at the parking card swipe place?
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