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Replaced rotors, now parking brake doesn't hold on hills
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12-30-2011, 11:03 PM | #1 |
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Replaced rotors, now parking brake doesn't hold on hills
Hey guys,
Title pretty much says it all. Is this just a strange coincidence that my parking brake no longer holds after replacing rotors, or are they related? Car's overall braking power while driving definitely has not decreased at all.
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12-31-2011, 01:01 AM | #2 |
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You can try driving on your road around 5MPH and slowly engage your hand brake so it can make a coating film on the inside of your rotor for the brake shoes. You should eventually get back the friction or else you would need to adjust the parking shoes on the rear rotors.
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12-31-2011, 05:50 PM | #3 | |
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01-02-2012, 08:18 PM | #5 | |
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You just need to adjust it so it clamps as soon as you pull the lever but doesn't drag when it's off. Jack the rear up by the diff (not the cover!), take the wheels off (both sides), then you rotate the rotors until you see the adjust screw. Push the screw until the rotors don't move then back off a few clicks. Repeat on the other side. Car needs to be in neutral to do this. |
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02-17-2012, 12:25 PM | #6 |
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Sorry to thread jack but. . .
Rear rotors won't come off, which way do you turn the adjuster screwto contract the shoes in away from rotor?
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02-19-2012, 04:42 PM | #7 |
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Did you remember to release the handbrake? If you did then the hub is probably seized to the rotor, you can whack it a few times with rubber mallet to try to get it off. Mine was stuck so bad I had to borrow a jaw puller from autozone to get it off.
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02-19-2012, 05:26 PM | #8 |
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Guys, thanks for the help. I did try the "pull up the parking brake at 5 mph" trick a few times, and it did help a little...it will hold on slight inclines. However, the car still rolls on steep inclines. I will probably just need to take the wheels off one day and adjust when I have time (which I don't now).
g9s, to answer your question, it can take a LOT of hard and aggressive hammering to knock the rotors off. I had to buy a 3 lb hammer and continuously hit my rotors at different places on the hub (and I mean taking long, powerful swings too) for at least 10 minutes before they finally broke free of the rust. Using WD-40 or PB may help too. It surprised me how much time and hammering force it took to knock them loose...I almost felt like I was going to damage the hub or something else. But, you have to consider, if the hub can take pothole impacts under the full weight of the car at higher speeds, it can take you hammering the crap out of the rotor attached to it for a long while. |
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02-20-2012, 06:57 AM | #9 | |
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02-20-2012, 09:41 AM | #10 | |
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02-20-2012, 08:57 PM | #11 |
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Yes, handbrake was off. Also, I still don't know I'd worry about damage. From my research, this actually is across the board a pretty common method of knocking rotors loose. I've seen it used in instructional videos, other forums, etc for plenty of other makes and models out there as well. Everyone, feel free to correct me if I am wrong here though.
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-'06 911 Carrera S - Black/Black - Full Leather/Sport Chrono/Porsche Sport Exhaust/Nav - 80k miles. Acquired 1/2021. One needy old German car just wasn't enough! |
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