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Post Info TOPIC: 98 Blazer E brake


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98 Blazer E brake


The parking brake suddenly does nothing.  No ratcheting, no braking.  Cable looks OK all the way back the wheel, but not taut.

I assume I need to get inside there and fix/replace somehting.  I have never had the hub off.

What am I up against?

Thanks !

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Could be the unit itself.

Usually the manual locks will make a ratcheting sound. Even if it's the pump kind you should inspect the area. If your ebrake is located on the lower left hand side, then you might need to remove the kick panel to gain access.

If it's a console mounted ebrake you will have to pull the console to get a look.

Once you see the unit it should be self explanatory. Broken hinges, broken cable, ect.

Good luck.

One more thing, I don't think the "Hub" is going to have any relevance in this repair, and thus should be left alone.

-- Edited by SELLC on Monday 14th of February 2011 06:34:04 PM

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SELLC wrote:

Could be the unit itself.

Usually the manual locks will make a ratcheting sound. Even if it's the pump kind you should inspect the area. If your ebrake is located on the lower left hand side, then you might need to remove the kick panel to gain access.

If it's a console mounted ebrake you will have to pull the console to get a look.

Once you see the unit it should be self explanatory. Broken hinges, broken cable, ect.

Good luck.

One more thing, I don't think the "Hub" is going to have any relevance in this repair, and thus should be left alone.

-- Edited by SELLC on Monday 14th of February 2011 06:34:04 PM



Thank you.

Perhaps I could have been clearer.  The foot pedal actuates the cable, all the way back to the axel. 

I have never been inside one of these, but my understanding is that despite the brakes being antilock rear wheel disks, the parking prake pads are shoes inside the the rotor hub?  or does it just somehow use the disc pads?


 



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Some disc brakes have a ratcheting mechanism built into the caliper, and some as you suggested even have a mini-drum brake set up within the center of the rotor.

If the cable leads into the backing plate you likely have the mini-drum brake set up. You will have to remove the caliper, and bracket if any, then remove the rotor. You will then see the ebrake shoes and lever.

I don't know if they still offer drum brakes on the 1998 Blazer, but should you have drum brakes rather than disc, then the armature could have fallen off.

It's going to require you to safely jack the vehicle up, remove the wheel and take it from there.

-- Edited by SELLC on Monday 14th of February 2011 07:44:55 PM

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SELLC wrote:

Some disc brakes have a ratcheting mechanism built into the caliper, and some as you suggested even have a mini-drum brake set up within the center of the rotor.

If the cable leads into the backing plate you likely have the mini-drum brake set up. You will have to remove the caliper, and bracket if any, then remove the rotor. You will then see the ebrake shoes and lever.

I don't know if they still offer drum brakes on the 1998 Blazer, but should you have drum brakes rather than disc, then the armature could have fallen off.

It's going to require you to safely jack the vehicle up, remove the wheel and take it from there.

-- Edited by SELLC on Monday 14th of February 2011 07:44:55 PM

 




Thank you again.  Perhaps I was not clear again.  They are Disc brakes.

I am guessing you are not familiar with this model.

Perhaps someone else who is familiar with this model will stumble upon my question and enlighten us both.


 



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Rex is always in need of some enlightening... And some self reflection, but not the kind where he looks at himself in the mirror while peeing in the sink.

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rustbelt wrote:

SELLC wrote:

Some disc brakes have a ratcheting mechanism built into the caliper, and some as you suggested even have a mini-drum brake set up within the center of the rotor.

If the cable leads into the backing plate you likely have the mini-drum brake set up. You will have to remove the caliper, and bracket if any, then remove the rotor. You will then see the ebrake shoes and lever.

I don't know if they still offer drum brakes on the 1998 Blazer, but should you have drum brakes rather than disc, then the armature could have fallen off.

It's going to require you to safely jack the vehicle up, remove the wheel and take it from there.

-- Edited by SELLC on Monday 14th of February 2011 07:44:55 PM



Thank you again.  Perhaps I was not clear again.  They are Disc brakes.

I am guessing you are not familiar with this model.

Perhaps someone else who is familiar with this model will stumble upon my question and enlighten us both.



I am guessing you just lack the comprehension to figure out your problem. The necessary checks that need to be made have been covered for just about ALL vehicles, how about telling us where the problem is.

So you got disc brakes in the rear, but many 1998 trucks did not. It was given to you both ways, now all you have to do it figure it out. 

 



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PowerStroker wrote:

Rex is always in need of some enlightening... And some self reflection, but not the kind where he looks at himself in the mirror while peeing in the sink.


I can also walk and chew gum too!

But yeah... This dude rustbelt needs to show us some photos of his findings. Sometimes the best advice in the world comes down to "Get up off your ass and take a look".

I am a big fan of photos. One could assume with almost certainty that an e-brake system will have this thing called a cable. It will start wherever the pedal/lever is, it will extend down the chassis into rear brakes. This "cable thing" will in essence be pulling on something and that something will expand or contract to create a clamping force aka manual emergency brake.

I can even dumb it down even more.

That there cable needs to be pull'n something. Is it? 

 



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