H3 Reverse Emergency Brake

[navaro1982]

I've had this happen to me a couple of times in the last month. I will put my 07 H3 in reverse and the emergency brake automatically engages. Has anyone ever had this problem?


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[Enter Hummer]

Is there any noise? Did you do anything like a brake job? Also, does it dis-engage when in drive

 

[navaro1982]

Is there any noise? Did you do anything like a brake job? Also, does it dis-engage when in drive

Yeah it's a loud nails on chalk board sound. It doesn't happen in drive just reverse. I've tried applying the emergency brake and releasing it but it doesn't stop it from happening. I've also noticed that every time it happens the warning comes on that my e brake is on but I never use it so it's giving a false warning. And I'm assuming it's my brake because of that.


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[navaro1982]

And no brake job


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[navaro1982]

Does the hummer have a way to engage the emergency brake without me manually pushing the pedal down?


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[woodwardsh3]

Pins may be seized and the caliper is getting stuck.

 

[alrock]

Does the hummer have a way to engage the emergency brake without me manually pushing the pedal down?
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No, it's completely mechanical. Just a cable from that pedal to the rear wheels.

The brake warning light isn't just about the emergency brake; it's about the brake system in general. You need to get this checked out. It may or may not be the e-brake, it could be the calipers like woodward suggested.

 

[navaro1982]

Ok thanks for the reply I'll definitely get this checked out.


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[cbetts]

I bet a shoe slipped in the rear. Remember the H3 uses a traditional shoe-drum setup for the parking brake, not the disc brakes used for regular braking.

 

[woodwardsh3]

Ya that could be and it only jams when he backs up.