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  #1  
Old 07-15-2022, 04:02 AM
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jeepjseries jeepjseries is offline
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Location: Azalea Oregon
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parking brake issue

1976 jeep Wagoneer parking brake issue. I can push down parking brake and it holds well, but as soon as I let off the pedal it releases. my question is what isn't working to hold the pedal in place?
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-2000 Volkswagen Jetta diesel
-1976 Wagoneer 401/Turbo 400/QT with 4 low/Dana 44s
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  #2  
Old 07-15-2022, 09:20 AM
wiley-moeracing wiley-moeracing is offline
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Location: arizona
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You need a replacement foot pedal assembly for the parking brake in the cab, the gears get worn down or the rivet gets sloppy that holds the unit together.
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  #3  
Old 07-15-2022, 02:36 PM
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devildog80 devildog80 is offline
258 I6
 
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Location: Apache Junction AZ
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Might have a broken spring in there that hold the ratchet cog down in the teeth to engage the foot pedal.

You can probably push the pedal down, then push (do not pull) the release handle, and it might engage.

If it does, then probably a broken spring.

NOTE- Do not trust that park brake to hold working like it does. Always make sure you have the rig in gear or chock the wheels.
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'81 CJ5 Base, 258 I6, MC2100, T176 4 spd, 300 TC, D30 Front NT, 3.31, 2-Piece AMC 20 rear NT, 3.31, 4" high arc spring lift

'84 Grand Wagoneer, 401 V8 (.030 over), MC2150 HA Comp, 727 auto, Selec-trac NP229, AMC 20 REAR - D44 FRONT - WT 3.31, 4" high arc spring lift

Rather be driving, than waiting to be modified
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  #4  
Old 07-16-2022, 02:52 AM
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jeepjseries jeepjseries is offline
350 Buick
 
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Location: Azalea Oregon
Posts: 1,415
Quote:
Originally Posted by devildog80
Might have a broken spring in there that hold the ratchet cog down in the teeth to engage the foot pedal.

You can probably push the pedal down, then push (do not pull) the release handle, and it might engage.

If it does, then probably a broken spring.

NOTE- Do not trust that park brake to hold working like it does. Always make sure you have the rig in gear or chock the wheels.

ok thank you sir, I'll try that. Thank you for the replies. I will work on getting a different assembly.
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-2000 Volkswagen Jetta diesel
-1976 Wagoneer 401/Turbo 400/QT with 4 low/Dana 44s
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  #5  
Old 07-16-2022, 09:52 AM
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Heep-J4000 Heep-J4000 is offline
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Join Date: Feb 09, 2014
Location: Schoorl ,the Nederlands
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I always have hated those types of park brakes.
Can't trust them at all!
Through the years my Jeeps park brake decided to engage and my truck rolled a couple meters and had to run to press the brake pedal to save it.

I'm replacing it with a pull park brake assembly from a 40/41 Ford truck.
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Jeep "because mother nature hates flat roads to"

http://www.ifsja.org/forums/vb/showthread.php?t=180974

99' Dodge ram 2500 4x4 crew cab 5.9 Cummins ,backup work truck for now
73' Jeep J4000 (named Heep or Desert Dragon) amc 360 V8 converted to LPG with T15/D20 (was my daily work truck for thirteen years and is getting major overhaul at the moment!)
80' Jeep cj5 350 V8 Chevy/sm420/D300 project
70/71 Jeep J4000 parts truck with Buick 350

Former vehicles:
85' Volkswagen caddy mk1 1.6 diesel.
83 Toyota land cruiser BJ42 3.4 diesel.
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  #6  
Old 07-16-2022, 10:59 AM
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devildog80 devildog80 is offline
258 I6
 
Join Date: Apr 13, 2022
Location: Apache Junction AZ
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The one that mounts parallel under the dash?

I remember those, and they were cool
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'81 CJ5 Base, 258 I6, MC2100, T176 4 spd, 300 TC, D30 Front NT, 3.31, 2-Piece AMC 20 rear NT, 3.31, 4" high arc spring lift

'84 Grand Wagoneer, 401 V8 (.030 over), MC2150 HA Comp, 727 auto, Selec-trac NP229, AMC 20 REAR - D44 FRONT - WT 3.31, 4" high arc spring lift

Rather be driving, than waiting to be modified
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  #7  
Old 07-17-2022, 03:09 PM
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Heep-J4000 Heep-J4000 is offline
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Join Date: Feb 09, 2014
Location: Schoorl ,the Nederlands
Posts: 605
Quote:
Originally Posted by devildog80
The one that mounts parallel under the dash?

I remember those, and they were cool

You mean the rod type with a T-handle that pulls towards you!?

Those are cool ,but I choose for this type,
https://www.motortrend.com/how-to/10...d-e-brake/amp/

It is going to sit at the same place under the dash as the original foot park brake.
__________________
Jeep "because mother nature hates flat roads to"

http://www.ifsja.org/forums/vb/showthread.php?t=180974

99' Dodge ram 2500 4x4 crew cab 5.9 Cummins ,backup work truck for now
73' Jeep J4000 (named Heep or Desert Dragon) amc 360 V8 converted to LPG with T15/D20 (was my daily work truck for thirteen years and is getting major overhaul at the moment!)
80' Jeep cj5 350 V8 Chevy/sm420/D300 project
70/71 Jeep J4000 parts truck with Buick 350

Former vehicles:
85' Volkswagen caddy mk1 1.6 diesel.
83 Toyota land cruiser BJ42 3.4 diesel.
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  #8  
Old 07-17-2022, 03:14 PM
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devildog80 devildog80 is offline
258 I6
 
Join Date: Apr 13, 2022
Location: Apache Junction AZ
Posts: 337
Oh yes, I thought the T handles were cool too

This old Chevy under dash type was my thought

med_1379581339-1966__to_1972_style_Chevy_C10_e_brake_system_01 by Scott Weckerly, on Flickr
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'81 CJ5 Base, 258 I6, MC2100, T176 4 spd, 300 TC, D30 Front NT, 3.31, 2-Piece AMC 20 rear NT, 3.31, 4" high arc spring lift

'84 Grand Wagoneer, 401 V8 (.030 over), MC2150 HA Comp, 727 auto, Selec-trac NP229, AMC 20 REAR - D44 FRONT - WT 3.31, 4" high arc spring lift

Rather be driving, than waiting to be modified

Last edited by devildog80 : 07-17-2022 at 03:26 PM.
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  #9  
Old 07-17-2022, 04:31 PM
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Heep-J4000 Heep-J4000 is offline
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Location: Schoorl ,the Nederlands
Posts: 605
I was thinking about the Chevy under dash type but could not figure out how they mount on the steering column and if it could work with the jeep column
Also did not find any good pictures of it and then I came across the ford type lever so that is the way I went.
__________________
Jeep "because mother nature hates flat roads to"

http://www.ifsja.org/forums/vb/showthread.php?t=180974

99' Dodge ram 2500 4x4 crew cab 5.9 Cummins ,backup work truck for now
73' Jeep J4000 (named Heep or Desert Dragon) amc 360 V8 converted to LPG with T15/D20 (was my daily work truck for thirteen years and is getting major overhaul at the moment!)
80' Jeep cj5 350 V8 Chevy/sm420/D300 project
70/71 Jeep J4000 parts truck with Buick 350

Former vehicles:
85' Volkswagen caddy mk1 1.6 diesel.
83 Toyota land cruiser BJ42 3.4 diesel.
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  #10  
Old 07-19-2022, 09:19 AM
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tgreese tgreese is offline
 
Join Date: May 29, 2003
Location: Medford MA USA
Posts: 11,647
The OEM pedal frame can also bend. Comes from stomping on the pedal at an angle. These pedals went through several revisions, and '76 is early.

If the frame of the assembly is bent, the pawl no longer lines up with the ratchet and the brake won't stay set. You can remove the assembly and try to straighten it, or reset/replace the pivot rivet if that's the problem. If the teeth are worn, I'd say it's done.

We replaced a lot of these on warranty in the '70s.

Wrangler YJs use a similar pedal - you might be able to make one of those work.
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Maine beekeeper's truck: '77 J10 LWB, 258/T15/D20/3.54 bone stock, low options (delete radio), PS, hubcaps.
Browless and proud: '82 J20 360/T18/NP208/3.73, Destination ATs, 7600 GVWR
Copper Polly: '75 CJ-6, 304/T15, PS, BFG KM2s, soft top
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Last edited by tgreese : 07-19-2022 at 09:26 AM.
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