DIY: E-Brake Adjustment for GTS Rear-Ends (Assassin10000)

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SlideSexy
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Joined: Tue Feb 26, 2013 6:37 pm

DIY: E-Brake Adjustment for GTS Rear-Ends (Assassin10000)

Postby SlideSexy » Tue Apr 23, 2013 7:47 pm

YES I saved one of the most helpful DIY's out there.



Another one of my old write-ups, which I'm bring back to c4ag.
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Well since I've seen several post in regards to a poorly working e-brake/hand/parking brake - I'm posting this just to let everyone know I found that my 'way' of adjusting the rear brakes and parking/e-brake's to significantly improve how well the parking brake/hand brake works.

Mine stops the car from rolling with 2 clicks up if I'm stopped and on level ground. And not much further up when rolling/driving which is very nice if I need it to initiate or mid drift.. No need to use the regular brakes with, dive the car, weight transfer or anything else, it just grabs really well.

(I'm currently using pbr pads, bradi drilled/slotted rotors. But that shouldn't matter as far as the adjustment goes. I probably loose some initial 'bite' due to the loss of braking surface area due to the drilling/slotting on these small rotors.)

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Here's the written steps/How to adjust the parking/e-brake my way:

1. Jack up rear of car, remove the rear wheels. Be sure to use jack stands.

2. Undo the nut on the center cable and get as much slack as possible. (hand/park brake cable adjustment nut - on my vehicle I removed the top nut so I no longer need to remove the center console to adjust it, just put a deep 10mm socket down inside and turn)

3. Remove the brake caliper retaining/slide bolt on the bottom of the rear caliper. Rotate the caliper forward and slide back slightly for access.

4. Turn the brake adjuster in atleast 1 full turn (more is OK). Make sure to line up the notch/groove/slot openings on the caliper piston with the pin/tab on the brake pads. Slide caliper back on and put the bolt in a few threads by hand. (if this is the first time you've had your rear calipers off go ahead and turn it all the way down till it's basicly flush with the caliper, it wont hurt anything and helps free up the piston/adjusters)

5. Here's the trick to the adjustment.

A) pull the e-brake cable adjusting lever on the brake caliper towards you so you KNOW its all the way off. (after adjustment this gives you the most leverage/range of movement/clamping force)

B) Pull the whole caliper assembly towards the outside of the car (towards you) and push between the caliper fingers on the brake pads inward (away from you) so space/slack is visible between the rear brake caliper/fingers and brake pad on the outside.

C) Have someone LIGHTLY flutter the brake pedal so it forces the caliper piston out a little at a time.

What that will do is force the caliper out little by little and as it comes out and then back it rotates. The adjuster/opening on the piston will catch the notch and "auto" adjust the rear caliper correctly. You should have little to no space left after the adjustment.

6. REPEAT for the other side (can be done one side at a time) & install bolts for the rear calipers.

7. Reinstall wheels and put back on the ground.

8. Now you can tighten up the nut in the console hand-brake to the point where about 2-3 clicks up it will stop the vehicle from rolling.

Test drive - even if it doesn't work quite as well as mine it should be significantly improved.

NOTE: I do have 3 new e-brake cables and a new handle, but it locked up fine with the old cables as well.

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Here's the PHOTO guide which should help all the visual thinkers...
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EDIT: It helps if you spin the piston in about 1/8-1/4 turn past the marks where it lines up and then back it out. Something to do with the design of the adjuster inside the caliper. Be sure to do so.

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Post up you're results, if done correctly you'll be suprised and happy with how it works... or so I hope after typing all this out. EDIT: and now taking pictures, cropping and editing.
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ANYONE CAN BUY A NEW CAR. IT TAKES A TRUE ENTHUSIAST
TO BREATHE LIFE INTO AN OLDER ONE.

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LePimpOfPimps
Club4AG Enthusiast
Posts: 70
Joined: Tue Feb 18, 2014 7:12 pm
Location: 9280x

Re: DIY: E-Brake Adjustment for GTS Rear-Ends (Assassin10000

Postby LePimpOfPimps » Sun Mar 23, 2014 4:35 pm

Going to give this a try once I instal my pads and bleed my lines., thanx!
1976' Corolla/Levin TE37 3TC


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