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Old April 24th, 2006, 04:41 PM   #1
Blackjackbender
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well my E-brake does not work, and I do not feal like replacing the cables that are needed and possibly the the e-brake pads/parts (it uses explorer rear disc setup) and no ones e-brake can hold on my driveway anyways. So because of that I was thinking of using a line lock to use as an E-brake. I always through it in gear when I park but when running into a store or letting it warm up it would be nice to have a brake also I could probably use it to my advantage for when I have to stop and restart on a hill so I do not slip back as farm. anyone ever do this before? it seems like it would work to me but just wanted check before I went ahead and ordered a line lock.
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Old April 24th, 2006, 04:44 PM   #2
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You have a manual right?

Correct me if I'm wrong but I thought line locks can only be used on autos.
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Old April 24th, 2006, 04:46 PM   #3
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An Ebrake is a mechanical measure for you to stop in case you break a brake line etc....

using a line lock would not be an ebrake in the sense that if you break a line... a line lock would do nothing as there would be nothing to lock... hope that made sense
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Old April 24th, 2006, 04:47 PM   #4
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Quote:
Originally Posted by GreaseMonkey
You have a manual right?

Correct me if I'm wrong but I thought line locks can only be used on autos.
a line lock can be used on anything... they are mostly used in drag cars for the front brakes so a guy can release the brake pedal and still have pressure on the front brakes at the line.
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Old April 24th, 2006, 04:50 PM   #5
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Check Summit I thought I saw a few inexpecive kits there. As for line lock only being used on auto's, Maybe you are thinking of a trans brake for launcing a race car. Line lock depending on the kit, uses a solinoid(sp) to hold the brake pressure in the lines after you release your brake pedal.

Racers use them to do burn out. Lock just the front to do a rear wheel burn out.
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Old April 24th, 2006, 04:50 PM   #6
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uh yeah what he said

I was a little slow at typing lol
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Old April 24th, 2006, 04:58 PM   #7
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I have a line lock on my YJ for PARKING BRAKE.

I didn't use one with a solenoid because if you read up on those they are only really rated for like 120 seconds of use. I opted for a manual one that required me to plumb the brake lines into the cab.
I only plumbed it to the rear lines, there were 2 reasons for this.
1) the unit only had one inlet/outlet
2) I wanted to keep at least one set of brakes isolated for safety.


It works pretty well, will hold decent for probally a few hours. I've set it at night, came back the next morning not remembering It was set and then wondered why it wouldn't move :doh:

Simple operation, Depress the brake pedal and push in on the valve, let go of brakes and it will hold the pressure.
To release simply apply pressure to the brake pedal and it will release.
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Old April 24th, 2006, 05:08 PM   #8
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Quote:
Originally Posted by biohazardbill
a line lock can be used on anything... they are mostly used in drag cars for the front brakes so a guy can release the brake pedal and still have pressure on the front brakes at the line.
Ok, I'm thinking of something else then. Possibly a trans brake? lol :miff:
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Old April 24th, 2006, 05:13 PM   #9
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sounds like Ill just have to fix the E-brake, gonna research into it a little more though.

thanks for the help.
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Old April 24th, 2006, 09:49 PM   #10
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I also did what Sandals said. Works good and holds well.
Here is a link. http://appletreeauto.com/detail.aspx?ID=15003
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Old April 24th, 2006, 10:10 PM   #11
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Quote:
Originally Posted by Nvrenuf
I also did what Sandals said. Works good and holds well.
Here is a link. http://appletreeauto.com/detail.aspx?ID=15003

you dont happen to have any pictures of how you got it inside and where you mounted it?
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Old April 24th, 2006, 11:08 PM   #12
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Yup...manual line lock all the way for use as a parking brake. That way it works if you have voltage or not. Think about that....with an electrical one, the lock is on, drawing voltage...then the battery dies and weeeeee down the hill goes the rig.

Oh, and remember...there is no such thing as a emergency brake....they are all called parking brakes, although if you are careful they can be used to slow a vehicle in an emergency...but most people mash it and lock the rears and spin out and kill themselves....:miff:

Now, about the trans brake...that is a device that puts the automatic trans in 2 gears at the same time (usually 1 and 3)...thus making it bind and not move. You can stand on the gas all you want but it will just sit at the max stall of your torque converter. When you release the button it turns off 3rd gear and you launch. Makes for better reaction times and better launches from the line. A trans brake only works when the engine is running.

A electric line lock is, as stated in a post above, installed by drag racers to do burn outs...it's the only reason they are installed. They are not used to launch. Any half way good drag car will push the front tires along even if they are locked after the rear tires are warm and you go to WOT. That is no good at the line...red light.

Just about all drag cars use some sort of line lock and every true drag car with a auto that I have seen uses a trans brake. Not talking about the dude down the street with the Firebird he drives to work everyday and races on the weekend. I had a mustang that pulled 11.18 and I had line locks and a trans brake. But that stang never seen the road...was a drag only thing.
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Old April 25th, 2006, 07:55 AM   #13
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Quote:
Originally Posted by Nvrenuf
I also did what Sandals said. Works good and holds well.
Here is a link. http://appletreeauto.com/detail.aspx?ID=15003


I have the same one shown in the picture.

As far as mounting it... I have it in a YJ so it'll be a little different.

I simply mounted the line lock under the dash to the left of the steering column.
Next I undid the line that runs to the rear brakes and cut it about parallel with where the switch was mounted.
Got new Hard line, bent a piece to run from the Master cylinder inside to the valve, once I was happy with the fit I put end on and flared it and put it in place.
From there I bent another piece up to run from the line lock to the rear. Same deal, Bent it up, and put ends on it and connected it.
Then spent alot of time bleeding it, was a PITA to get all the air out, in fact I still think I have some. But thats it.
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Old April 25th, 2006, 09:42 AM   #14
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Yup, as stated, a line lock can function as a parking brake, not an e-brake.

Although, it is possible for them to bleed down over long periods of time. Might want to do some tests on flat land, before locking it on a hill and leaving it.



Muddypaws: No, a cable operated brake *is* an emergnecy brake, as it is a complete secondary braking actuation system as required by law, that functions in the event that the hydraulic system fails.

A line lock does not satisfy that requirement, so cannot be used to fullfill that requirement. (I.E. a vehicle with no e-brake, but with a line lock is not technically street legal, although I've not had a parking brake on any wheeler of mine, except my TJ..)
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Old April 25th, 2006, 10:54 AM   #15
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Just get a high PSI lever valve. alls you're looking for is a parking brake right ?? Just hook that up in line with master cyl, then when u wana lock em. put the pedal down and lock that lever.. BINGO !
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Old April 25th, 2006, 02:24 PM   #16
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i just want something that will hold me on mellow hills or running into a store real quick, right now i have to shut down the car and put it in gear. may try adjusting the E-brake one more time. i think i figured out a way to bring it inside but it may require some hacking of the tub but not much at all.
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Old April 25th, 2006, 10:20 PM   #17
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Quote:
Muddypaws: No, a cable operated brake *is* an emergnecy brake, as it is a complete secondary braking actuation system as required by law, that functions in the event that the hydraulic system fails.
It can function as an emergency device, I agree, but in the motor vehicle code it is not refered to as "emergency" brakes. It is always refered to in the following mannor:

Standard No. 135: Light Vehicle Brake Systems
Scope and Purpose:
This standard specifies equipment and performance requirements for service brakes and for parking brake systems. The purpose of this standard is to ensure safe braking performance under normal and emergency driving conditions.


Even in current publications...look in you owners manual...say parking brake, look in a automotive text book, says parking, look on the state mechanic exam, the ASE exam, the NHTSA website...all refer to it as parking.

E-Brake is an old, outdated term. If it were a true emergency brake, it would operate the front brakes rather than the rear as that would be a safer way to stop the vehicle AND it wouldn't lock in position, it would function more like an aux. brake pedal.
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