Hi, My handbrake!! One of the cables became detached from a caliper and on taking up the slack, my actuator has become stuck tight.
Hopefully it should be a case of giving it a hand as the motor doesn't have the torque to do it.
Does the brass outer spin like a nut to wind the cable in and out?
C5 x7 handbrake actuator
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Re: C5 x7 handbrake actuator
I'm assuming you did not use Diagbox to release and disengage the electric handbrake before you did any maintenance? This is what can happen. You need to get the diagnostic tool on it and put it into maintenance mode (which you normally do when changing brake calipers and brake pads for example), then disconnect the battery negative so they do not accidentally re-engage if the ignition is switched on / off. That should slacken the cables again to maximum and disengage them. Re-connect them and then when complete, reconnect the battery negative and use the diagnostic to apply the handbrake calibration, then re-apply the handbrake, holding the switch up for a few seconds until it has re-engaged and initialised itself.
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Re: C5 x7 handbrake actuator
What had happened is the arm on the caliper had deformed allowing the nipple to pull out! I was surprised how easy it was to bend back into shape.
I'm thinking that it's wound itself so tight it can't undo itself. I'm getting a 'parking brake jammed' fault when I try and put it in maintenance position and you hear the motor clicking.
The motor and gears are good, you can spin it around the 'nut' using the flywheel on the back of it. I just need to know how the cable pulls through the nut side so I don't break it trying to loosen it.
I'm thinking that it's wound itself so tight it can't undo itself. I'm getting a 'parking brake jammed' fault when I try and put it in maintenance position and you hear the motor clicking.
The motor and gears are good, you can spin it around the 'nut' using the flywheel on the back of it. I just need to know how the cable pulls through the nut side so I don't break it trying to loosen it.
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Re: C5 x7 handbrake actuator
I put us some diagrams in this thread that may be of help - you'll need to flick through the posts though:
viewtopic.php?t=61374
viewtopic.php?t=61374
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Marc
Marc
Re: C5 x7 handbrake actuator
I need to make a new cover as I had to break it to get it off. It does have some motor/gearbox positioning lugs so it won't be a 10 min job and another important note it the tensioner is a LEFT HAND thread.
Last edited by myglaren on 30 Jan 2022, 14:14, edited 1 time in total.
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C5 MK II 2.0 HDi Exclusive Obsidian Black
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Re: C5 x7 handbrake actuator
Well done there, you just need a whopping band aid to tie that lot back!
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Marc
Marc