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V70 Handbrake usage

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Old Nov 30th, 2018, 12:28   #11
Steff79
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I'm interested in this.

With 2 older cars that spend a lot of time in the garage (1970 Alfa 1750gtv and 1998 Porsche 996) I do tend to leave them in gear with the hand brake off as they could be sitting there for weeks, or in the Alfas case months without moving.

However, back to the V70. My drive is fairly steep so obviously need the handbrake. Currently it gets driven every day so no issue. I just wondered if leaving it regularly for a week or more will this cause it to stick on?
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Old Nov 30th, 2018, 12:33   #12
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Originally Posted by Steffan Eldred View Post
I'm interested in this.

With 2 older cars that spend a lot of time in the garage (1970 Alfa 1750gtv and 1998 Porsche 996) I do tend to leave them in gear with the hand brake off as they could be sitting there for weeks, or in the Alfas case months without moving.

However, back to the V70. My drive is fairly steep so obviously need the handbrake. Currently it gets driven every day so no issue. I just wondered if leaving it regularly for a week or more will this cause it to stick on?
The mechanism and cables will not stick , but if put away damp the shoes may rust to the disc , but they do free with a jerk and ok afterwards .The brake material contains a lot of metal these days .. There are mechanical pivots on the end of the cables which operate the shoes , but these can stick after 20 years of being neglected , generally though these are quite free if maintained every time you take the rear disc/drum off..
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Old Nov 30th, 2018, 17:32   #13
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Older cars have all sorts of design solutions for the parking brake.
On my cousin's 1988 760 GLE Turbodiesel, the parking brake is a drum inside the disc. The pad fell off the brake shoe, jammed between the brake and the other pad and locked the wheel. No reversing or other action got it out of there. It was a hell of a job to take this jammed assembly apart, to get the faulty things out. The drum was no longer circular.

Letting the car stay for long durations with the brakes applied I definitely don't recommend. Although it usually gets going again, you can frequently feel the uneven surface on the disc for a while, as you have a rusty part of the disc there. That this will not improve the lifetime of the brakes is easy to understand.


At least the electric solution on these cars have less mechanical parts that can bind.
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Old Dec 3rd, 2018, 23:33   #14
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At least the electric solution on these cars have less mechanical parts that can bind.
.....but try moving a car with a flat battery or failed electrical system.
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Old Dec 4th, 2018, 18:26   #15
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I always apply parking brake when stationary or when leaving the car. Never had it stick o on any cars . This does rely on he car being serviced regularly and any worn parts like cables etc being replaced. Only leave handbrake/parking brake off when car is stored for long periods ie, weeks or months with wheels choked or car up on stands.
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Old Dec 4th, 2018, 23:34   #16
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Always use my handbrake, 4 other people at work drive autos and do not use the handbrake, why do auto drivers think they do not need to use them?
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Old Dec 5th, 2018, 09:54   #17
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Always use my handbrake, 4 other people at work drive autos and do not use the handbrake, why do auto drivers think they do not need to use them?
They do not understand the mechanics of it , they assume the wheels are locked but they are still free to rotate in opposite directions . Hence the legal requirement to use the parking brake on a public road .
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Old Dec 5th, 2018, 18:18   #18
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They do not understand the mechanics of it , they assume the wheels are locked but they are still free to rotate in opposite directions . Hence the legal requirement to use the parking brake on a public road .
Try jacking a landrover with the handbrake on the rear prop shaft and watch it roll off the jack to prove that point.
The official landrover method is to engage center diff lock and chock wheels before trying to Jack the vehicle up.

I always chock 2 wheels but do not nessesarily engage center diff lock as the chocks do a better job in my opinion, but the slope on my drive is more side to side rather than fore and aft.

Always use EPB and never had a problem. Only vehicles I leave with brakes off are the caravans while in storage, but they are on level floor in barn and all wheels including the jockey wheel are chocked.

Paul.
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Old Dec 5th, 2018, 21:09   #19
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Try jacking a landrover with the handbrake on the rear prop shaft and watch it roll off the jack to prove that point.
The official landrover method is to engage center diff lock and chock wheels before trying to Jack the vehicle up.

I always chock 2 wheels but do not nessesarily engage center diff lock as the chocks do a better job in my opinion, but the slope on my drive is more side to side rather than fore and aft.

Always use EPB and never had a problem. Only vehicles I leave with brakes off are the caravans while in storage, but they are on level floor in barn and all wheels including the jockey wheel are chocked.

Paul.
regarding the landrover with that big drum brake on the propshaft , that must be lethal if you pull the handbrake on whilst driving , you'd lock the wheels and spin off the road with the large braking torque multiplication through the final drive.
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Old Dec 6th, 2018, 08:01   #20
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regarding the landrover with that big drum brake on the propshaft , that must be lethal if you pull the handbrake on whilst driving , you'd lock the wheels and spin off the road with the large braking torque multiplication through the final drive.
Only ever try it once a year when preparing for MOT, being 4x4 the tester brake tests on the road with a Tapley. 30 mph straight road and apply firmly but gently, car pulls up straight, never failed yet. Agreed yank it on and it would get interesting.
Being old technology 300 tdi I find far more engine braking than on the volvo so the brakes on the landrover have a habit of siezing the rear calipers due to not being worked hard enough unless you do a lot of heavy towing. Servicing the calipers is anual job to keep them free.

Paul.
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