Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Help with 2006 H3 parking brake

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  #1  
Old 07-08-2021, 05:45 PM
JET55's Avatar
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Default Help with 2006 H3 parking brake

Hey all

I've lurked around the forums ever since I got my H3, but haven't had a whole lot to contribute... but I was looking for some help nonetheless.

I try to do all the maintenance myself but I've hit a wall on this one. My parking brake won't engage, I push the pedal down and when I let off it comes right back up. I've checked the cables underneath and everything is working, not too loose and I can see the parking brakes are actually engaging. But the pedal itself just won't stay down. I'm thinking the actual parking lever assembly is hosed. Has anybody taken one of these apart?

I checked online and I found this replacement assembly, it certainly looks similar so I was going to take the gamble and try it.
H3 Parking Brake Assembly H3 Parking Brake Assembly

TIA!
JET
 
  #2  
Old 07-08-2021, 06:22 PM
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why not pull the lower kick panel and look? maybe it just needs a bit of penetrating oil on the locking mech.
 
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Old 07-08-2021, 07:48 PM
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I could see pretty much everything without taking off the panel as the assembly is exposed, but it seems that the ratchet part is internal. Has anyone ever replaced the assembly? The one I was looking at on Amazon seems to be the same, but the cable seems short. I was thinking of buying it anyway and then I could see how it works.
 
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Old 07-09-2021, 09:09 AM
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What happens when you pull the PB release handle???? Can you feel tension, or is it limp?
 
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Old 07-09-2021, 08:38 PM
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Originally Posted by Doc Olds
What happens when you pull the PB release handle???? Can you feel tension, or is it limp?
Definitely has a little tension, I can see the arm it's attached too pulls forward.

As far as the peddle to engage it, I can slightly feel a ratcheting as I push on it, but not like it was before it wouldn't engage. I had a friend push the brake down and watched the cables underneath, that cable definitely gets tight and it does engage the brakes. It's almost like the ratchet that keeps the cable in place has failed in the assembly.
 
  #6  
Old 07-10-2021, 01:15 PM
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tried oiling the ratchet yet?
 
  #7  
Old 07-18-2021, 05:07 AM
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+1 on Spray some penetrating oil into the mechanism.
 
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