lowering break pedal? - JeepForum.com
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post #1 of 18 Old 06-09-2020, 07:14 AM Thread Starter
logan1813
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lowering break pedal?

I was wondering if there was a way to lower the break pedal cause its like stupid high to the point where its unsafe for me. has anyone lowered there's. Might be a dumb question but I was curious.

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post #2 of 18 Old 06-09-2020, 07:33 AM
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Is your system stock? modified?


You will need a shorter pushrod or to shorten the one you have. Some are adjustable some are solid. It may be possible that the wrong one has been installed. This is more likely with manual brakes, not so much with power.

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post #3 of 18 Old 06-09-2020, 07:44 AM
John Strenk
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Brake pedal looks right, it's the clutch pedal that is too low.

Seriously, see if you can find an adjustable brake rod. or cut and weld yours to the right length.


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post #4 of 18 Old 06-09-2020, 07:46 AM Thread Starter
logan1813
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as much as I know is that it does have power breaks I don't know if it came factory like that or if someone put that in. I want to make it like a car pedal where the break pedal is only a little higher than the gas
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post #5 of 18 Old 06-09-2020, 08:11 AM
John Strenk
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I know what you mean, there are many times when I'm at a traffic light on a hill I wish I could heel and toe the two pedals.

Just realise that if you drop the pedal too low, there might not be enough room for the pedal to move incase of a brake line failure.
Normally the pedal will drop until the side with the break in the brake line will seal up and you can brake with the part of the system that is still intact.
If your pedal hits the floor, then you won't be able to use the intact side of the brake system.

Also, how much travel would you need incase the power boost system fails?

You could put a block on the gas pedal like my PO did.

Also you might have to relocate your brake light switch if you run out of room to make anymore adjustment.

How much room do you have between the pedal and the floor now?
Maybe someone can make a measurement for you.


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post #6 of 18 Old 06-09-2020, 08:17 AM Thread Starter
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from the bottom of the pedal to the floor its just under 7inches.
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post #7 of 18 Old 06-09-2020, 09:06 AM
dolsoncj7
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I had the same problem with our 85 automatic CJ7. Brake was way too high - nearly 4-7 inches further out than the gas pedal and way high off the floor. Watching my wife drive it was a bit uncomfortable since she's used to more modern configurations where you don't have to lift your foot so high off the floor to make contact. I worried about an emergency stop where she'd miss the pedal, or get caught underneath it.

I converted it to power brakes and assumed the high pedal was for leverage on standard brakes. I couldn't find anything on power vs. manual brake pedals for automatics. Adjusting/cutting the master cylinder rod wouldn't work because the brake light switch wouldn't adjust in enough to make contact.

I had an extra pedal box so I ended up cutting the pedal, extending it (Tig weld) and adjusted the angle so the pedal surface matched the angle of the gas pedal. A bit of a PIA but it's way more comfortable now.

Not sure why it was the case, but on 35 year old vehicles, you never know. I suppose in another 35 years I will be the PO that the next buyer will complain about
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post #8 of 18 Old 06-09-2020, 11:33 AM Thread Starter
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thank you. Thats exactly what I was talking about. Im going to do exactly that
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post #9 of 18 Old 06-09-2020, 12:20 PM
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Quote:
Originally Posted by logan1813 View Post
from the bottom of the pedal to the floor its just under 7inches.
Clutch is suppose to be 8" off the floor according to the manual.

I had a girlfriend almost 40 years ago that wanted to drive my jeep. On a winding road, she got her foot stuck under the brake pedal with the gas full on. If I hadn't grabbed the wheel, we would have gone over the cliff. She finally freed her foot. Never seen a girl so scared in my life. She didn't want to drive the jeep anymore after that.

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post #10 of 18 Old 06-09-2020, 12:33 PM
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post #11 of 18 Old 06-09-2020, 01:28 PM
John Strenk
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Quote:
Originally Posted by dolsoncj7 View Post
I had the same problem with our 85 automatic CJ7. Brake was way too high - nearly 4-7 inches further out than the gas pedal and way high off the floor. Watching my wife drive it was a bit uncomfortable since she's used to more modern configurations where you don't have to lift your foot so high off the floor to make contact. I worried about an emergency stop where she'd miss the pedal, or get caught underneath it.

I converted it to power brakes and assumed the high pedal was for leverage on standard brakes. I couldn't find anything on power vs. manual brake pedals for automatics. Adjusting/cutting the master cylinder rod wouldn't work because the brake light switch wouldn't adjust in enough to make contact.

I had an extra pedal box so I ended up cutting the pedal, extending it (Tig weld) and adjusted the angle so the pedal surface matched the angle of the gas pedal. A bit of a PIA but it's way more comfortable now.

Not sure why it was the case, but on 35 year old vehicles, you never know. I suppose in another 35 years I will be the PO that the next buyer will complain about
What height is your pedal now so he has something to shoot for?

Got any pictures?


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post #12 of 18 Old 06-09-2020, 02:04 PM
dolsoncj7
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Hi John - that and a bunch of other stuff is out getting powdercoated right now. I'll post some pics and where I cut and spliced when it comes back.

I think we finally settled on about 4.5 inches off the floor and about 2 inches forward of the accelerator pedal. That made the pedal go through its arc and hit the firewall at the transition where the angled part of the floor hits the firewall. We looked at our cars and a few others in the neighborhood to see what the general orientation is these days and roughly followed those.

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post #13 of 18 Old 06-10-2020, 08:12 AM Thread Starter
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awesome sweet man. Thanks
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post #14 of 18 Old 06-10-2020, 09:36 AM
Axhammer
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Mine is really tall or far from the floor/firewall. I never really noticed it until this thread. Im probably going to convert my manual brakes to hydro boost eventually, and maybe address it at that time.
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post #15 of 18 Old 06-10-2020, 09:49 AM
dolsoncj7
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Yeah, it is kind of an odd setup compared to stuff built in the past decade or two. I figured since I have my dash out to do the heater box, as well as put in a Lokar floor shifter, I'd tackle the pedal. When I get everything back, I'll pop up some drawings of the piece I spliced into the pedal as well as where I cut it.

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