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Rear Disc Brake HELP! PLEASE

 
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  #1 (permalink)  
Old 17 Dec 2011, 04:59 pm
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Default Rear Disc Brake/Parking Brake HELP! PLEASE Update

Hi,

2001 Limited
138,000 miles
Front & Rear Disc Brakes

After nearly 10 years my rear brakes started making a lot of noise and I get a pulsing at the pedal. When pedal is depressed it sounds horrid!!

The Rotors are badly rusted, so bad that the glazed/polished surface is actually flaking off. Interestingly, the pads are still pretty good looking but will be replaced anyway..

I now have the wheel off, the caliper off and new parts sitting here ready for install.

Problem?

Can not get the rear rotors off.

I have the rotor where it is loose, and I can get it to slide on the hub/center fairly easy but it appears to be hanging on the parking brake shoes possibly??

In all of the years we have owned this car we have never used the parking brake, I have no idea how to possibly back off the brake enough to get the rotor off.

I would imagine there is a good bit of a rusted rim built up inside,

Anyone have any pointers? Do I need to back off an adjuster for parking brake pads possibly?

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File Type: jpg ptrearbrake.jpg (83.5 KB, 96 views)

Last edited by Sarasmiles; 18 Dec 2011 at 06:57 am.
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Old 17 Dec 2011, 06:04 pm
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Default Re: Rear Disc Brake HELP! PLEASE

Uggg

I found this online, but based on the actual location of the adjusting access slot, it obviously uses a special tool, no way can you get a screw driver in there. Or not that I can see
How to Clean & Adjust the Emergency Brake on a PT Cruiser GT | eHow.com
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Old 17 Dec 2011, 06:14 pm
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Default Re: Rear Disc Brake HELP! PLEASE

Quote:
Originally Posted by Sarasmiles View Post
Uggg
no way can you get a screw driver in there. Or not that I can see
Sure you can. Even the instructions say you can.

Insert a medium-sized screwdriver on the right side opening. Rotate the wheel upwards until a drag is felt and then back it off by rotating the wheel downward until you feel no resistance, again not going more than two clicks past this point.
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Old 17 Dec 2011, 06:38 pm
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Default Re: Rear Disc Brake HELP! PLEASE

oops double posted

Last edited by Sarasmiles; 17 Dec 2011 at 07:07 pm.
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Old 17 Dec 2011, 06:57 pm
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Default Re: Rear Disc Brake HELP! PLEASE

Ummmm I think I better post a picture, we have been under there for at least an hour.

There is simply no room to get a driver in there, I can not even see the adjuster nut with a mirror.

There is about 1 1/2 inches clearance to work inside.
I suspect those instruction on ehow are not exactly accurate.

I have the passenger side apart, you can barely enter the slot at a ridiculous angle (nearly parallel to the disc) even with a very thin blade..

I think Chrysler must have a specific tool or perhaps something like this?
Lyle Parking Brake tool


Or one of those bent drivers like the ones on the right maybe?


Beats me, I just know that it is not coming off and were are unable to make any kind of contact with the adjuster.
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Old 17 Dec 2011, 07:03 pm
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Default Re: Rear Disc Brake HELP! PLEASE

OK, here is the slot location,





Doing the best I could , I could not even see the adjuster with a mirror.

I assume these are self adjusting to a point, I have a strong hunch that those pads might be part of the noise or bad because it still made a good amount of grinding noise with the caliper removed.
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File Type: jpg access2.JPG (49.8 KB, 90 views)
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Old 17 Dec 2011, 07:11 pm
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Default Re: Rear Disc Brake HELP! PLEASE

Yep, looks like you might need one of those special tools. Way back when, we used to be able to use a flat bladed screwdriver because most cars had drum brakes. Guess I'm showing my age now. You might need some professional help ..or a bigger hammer. That used to help a lot getting rusted drums off.
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Old 17 Dec 2011, 07:23 pm
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Default Re: Rear Disc Brake HELP! PLEASE

Yep. its really tight quarters up there for sure. Watch, there is some secret tool from 1 company that works.

I know those old bent blade tools were common on drum setups because I had done it once on my old Ford E150 Van and my old Caravan. unfortunately I no longer have that old tool.

I have looked all over online and no luck finding out anything that is specific to PT's though.
Kind of surprises me really, surely those emergency brake shoes wear out and I could not find anything on any forums about these.

Out of 4 PT's, 3 are inoperable & in need of service, and this one was the lesser of the three evils (We Thought)

So, I am looking at;
PT 3, brake issue, (2001) not safe
PT 2 Timing Belt (2006) due 10,000 miles ago
PT 1 Wheel Bearings (2008) noisy (only 49,000 miles)

PT 4, 2001, I think its headed to its grave, engine has developed a knock. We may part it out, or trade it or something.
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Old 18 Dec 2011, 07:10 am
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Default Re: Rear Disc Brake HELP! PLEASE

OK it just gets Better & Better.

I finally after much coaxing got the disc/rotor off. I now know why when I backed up that the rear brake moaned loudly the past few days.

1/2 of the right rearward emergency brake pad broke off the shoe.
Well, not exactly broke, RUSTED right off of the metal!

I guess that explains why I could hardly rotate the wheel in that direction. To bad too, I have never used the emergency brake and the pads/shoes are 100% thickness otherwise.
Now the quest of the rear emergency brake pad begins.

So far, the only set I can find locally are Wagner ThermoQuiet at Advance Auto.

40 bucks??? YIKES
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Old 18 Dec 2011, 08:44 am
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Default Re: Rear Disc Brake HELP! PLEASE

don't feel bad crewsin I was imainging a screwdriver and at the most a hook/pick combo for loosing the parking brake adjuster.
thats how I've done it with all my drum brake combos

parking brakes very rarely wear out.
the reason why is because you shouldn't be moving with teh parking brake engaged. so there should be no wear on them.
alas the rest of the metal compared to the elements is a completely different can of worms.

hope you get things worked out. you might be able to find cheaper pakring brake shoes....$40 was the most expensive option I saw online at
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