moving after the car sits for awhile
hi all, been meaning to post this question for a bit. I park and let the car sit for awhile day or more. when I then go get in the car and drive the breaks are locked, and I have to break them lose. anyone else?
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Originally Posted by dukester34
(Post 7702510)
hi all, been meaning to post this question for a bit. I park and let the car sit for awhile day or more. when I then go get in the car and drive the breaks are locked, and I have to break them lose. anyone else?
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i think this normally only happens when you open the door first & then cut engine.
(same when u open the door when engine running & then closer it again: you have to release brake manually before driving away again) it NEVER happened to me in a normal situation, not even after a 3 week park. |
ah.. now that i read captainE 's comments, i may have misunderstood OP's post. you mean the brake pads are stuck to the discs & you have to brake several times to get them loose again?
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Possibly a humid climate? getting a little rust on the BRAKE rotors?
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Originally Posted by Egonvdv
(Post 7702530)
ah.. now that i read captainE 's comments, i may have misunderstood OP's post. you mean the brake pads are stuck to the discs & you have to brake several times to get them loose again?
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never happened to me. (when i put car in drive it starts to roll by itself)
I doubt it, but: Maybe outside temperatures have something to do with it? (( where i live it rarely gets below 8c (46f) )) |
Where do you live?
What do rotors look like before you drive off? |
It happens to me when I wash the car and immediately park it in the garage. The brakes do not get swept clean of water because the distance is too short. Just a little extra throttle gets it moving.
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Originally Posted by dukester34
(Post 7702510)
hi all, been meaning to post this question for a bit. I park and let the car sit for awhile day or more. when I then go get in the car and drive the breaks are locked, and I have to break them lose. anyone else?
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Its the parking brake. Sometime when reversing for me I need to give it more gas for the parking brake to be released, or simply flip the electric switch under the dash.
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Yes. This happens to me too! Notice it only after it has been raining heavily, driving around, and then park the car in the garage and the car sits for 12-24 hours.
Have to give the car a little bit of gas in reverse and there is a clanging "unstuck" type noise from the breaks. Jarring the first time I heard it! Now I'm used to it. |
Originally Posted by xrayted
(Post 7702799)
Yes. This happens to me too! Notice it only after it has been raining heavily, driving around, and then park the car in the garage and the car sits for 12-24 hours.
Have to give the car a little bit of gas in reverse and there is a clanging "unstuck" type noise from the breaks. Jarring the first time I heard it! Now I'm used to it. Like you, I have to give the car some gas in forward or reverse to "unstick" the pads. I always worry that I'll rip something off. As an aside, I bought some Hyde's Rust Stopper but it didn't really do anything, sadly. |
It is a design feature. When starting the car the brakes remained locked until a certain amount of throttle is applied. Then they release.
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Originally Posted by ua549
(Post 7702956)
It is a design feature. When starting the car the brakes remained locked until a certain amount of throttle is applied. Then they release.
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Wonder if it is some new pad material they are using?
Are these rotors slotted? or plain? Maybe if slotted some brake pad dust remains and gets sticky as it cools and sticks to pad? Strange and cannot be good in the long run...... Probably could be embarrassing as well for such an expensive car to have such issues - This would have to happen on dealer lots? those cars sit much longer and outside in rain? Maybe rain looses them up? |
Originally Posted by xrayted
(Post 7702799)
Yes. This happens to me too! Notice it only after it has been raining heavily, driving around, and then park the car in the garage and the car sits for 12-24 hours.
Have to give the car a little bit of gas in reverse and there is a clanging "unstuck" type noise from the breaks. Jarring the first time I heard it! Now I'm used to it. |
This happens on my R8 when I wash it, and put it the garage with the parking brake on. It has to be rust build up from the rotors rusting. When don't put the parking brake on, and just leave it in gear, it doesn't get stuck. On the other hand, I haven't experienced this on my E since I have CCB's.
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Happens to me if I put the car in the garage right after driving in heavy rain - a little extra throttle and a big clunking noise and I am out the door... Probably only occurred 5 or 6 times in almost three years, so I don't consider it a big deal.
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This has only been an issue since the automatic electric parking brake. My Porsche did the same thing when parked wet. Both my MB's do the same thing. My two 15 model MB's had a manual emergency brake that was never used and I never had a brake stick when parked wet. My conclusion is that it's the automatic electric parking brake.
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I get this from time to time also
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Originally Posted by petee1997
(Post 7703434)
This has only been an issue since the automatic electric parking brake. My Porsche did the same thing when parked wet. Both my MB's do the same thing. My two 15 model MB's had a manual emergency brake that was never used and I never had a brake stick when parked wet. My conclusion is that it's the automatic electric parking brake.
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This has never happened to me on either the E400 or E450. I do release the electronic parking brake before I accelerate either going forward or in reverse, so that may have something to do with it?
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Originally Posted by petee1997
(Post 7703434)
This has only been an issue since the automatic electric parking brake. My Porsche did the same thing when parked wet. Both my MB's do the same thing. My two 15 model MB's had a manual emergency brake that was never used and I never had a brake stick when parked wet. My conclusion is that it's the automatic electric parking brake.
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Same here ...
[QUOTE=2thfxr;7702639]It happens to me when I wash the car and immediately park it in the garage. The brakes do not get swept clean of water because the distance is too short. Just a little extra throttle gets it moving
Same here ..... happens after every wash. |
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