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Adjusting AU2/3 Handbrake (How to?) 

 

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 Post subject: Adjusting AU2/3 Handbrake (How to?)
Posted: Fri Oct 02, 2009 9:14 am 
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Ok....

I have searched the mods and found three posts regarding this but they are pretty hazy regarding adjusting the handbrake on an AU2. I know that it requires the removal of the wheels/calipers/rotors but I would like a more detailed how to..

Is it straight forward ie will it become so clear that this post is useless. I have read that there are two little wheels or something in the "drum" assembly of the rotor.

The handbrakes are such a fail item. I have had them adjusted only months ago.
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 Post subject: Re: Adjusting AU2/3 Handbrake (How to?)
Posted: Fri Oct 02, 2009 11:40 am 
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First things first......back off the nut, thats the one at the bottom of the handbrake lever. You can peel off the rubber cover, there is some velcro holding it to the carpet.
Then, take the wheels off at the rear, push the disc pads in a little, so not dragging, take the little rubber stoppers out, locate the little ratchet wheel, and flick it with a screw driver. They are not opposite threads on the adjusters either, so one side is up, and the other is down. Do this while rotating the wheels by hand after each ratchet action. It will be hard to rotate an LSD fitted vehicle.
Do this till you hear the shoes contacting the rotors, with a little drag, and each time you get to this point, pull on the hand brake lever with the button in, about 4 times....this helps centralise the shoes.
Repeat this till the drag is light. Test the travel of the park lever, and final adjustment is at the nut on the lever.

It is a bit of a stuff around but that is how you do it.....same for the Magna's TE to TK.

 

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 Post subject: Re: Adjusting AU2/3 Handbrake (How to?)
Posted: Sat Oct 03, 2009 6:29 pm 
Getting Side Ways
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Ok, I backed the nut off, I just pulled off the rubber cover.

I put a couple of bricks at front of car to chock it up. Then I jacked up the rear, took the wheels off at the rear, pulled the rubber grommet off the inspection / adjust ment area. couldn't do anything with it. I suspect that I require a new cable, I FULLY pulled the handbrake right up and it just grabbed ever so slightly so i dare say I require a new cable.
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 Post subject: Re: Adjusting AU2/3 Handbrake (How to?)
Posted: Sun Oct 04, 2009 4:26 pm 
Getting Side Ways
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Froudey wrote:
Ok, I backed the nut off, I just pulled off the rubber cover.

I put a couple of bricks at front of car to chock it up. Then I jacked up the rear, took the wheels off at the rear, pulled the rubber grommet off the inspection / adjust ment area. couldn't do anything with it. I suspect that I require a new cable, I FULLY pulled the handbrake right up and it just grabbed ever so slightly so i dare say I require a new cable.


Did you follow all the instructions???????.....adjust the nut at the handbrake last.
Is it an AU1....??????.....check the cable mount under the car, near where the cable comes down from the hand bit......is it broken off??????......seen this plenty of times.

 

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 Post subject: Re: Adjusting AU2/3 Handbrake (How to?)
Posted: Sun Oct 04, 2009 6:46 pm 
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maybe try adjusting it from the rear??
remove the caliper,disk and adjust it from there??

 

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 Post subject: Re: Adjusting AU2/3 Handbrake (How to?)
Posted: Fri May 08, 2015 4:51 pm 
Getting Side Ways
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So as I am cheap skate I am bumping this up and asking.



Is it much like other drum brake setup ups with loosen the handbrake nut in car and (forgive me) the sprocket thingy on or near the cylinder the sprocket adjust up or down?
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 Post subject: Re: Adjusting AU2/3 Handbrake (How to?)
Posted: Fri May 08, 2015 6:11 pm 
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Follow cjh's instructions, and note what Troy says above. They are essentially the same as EF/EL.
The manuals were downloadable off here for a while.
I find with the EF/EL's you need to pull off the disc to get to the adjuster.
Dismantle the rears so you can pull, put the rear discs back on, disconnect the cable from both sides, and adjust the adjusters - IIRC, it's RH thread both sides looking downwards.
With the disc back on, put a screwdriver and lever the actuator lever outward around 5-10mm, and the disc should lock up. Do this both sides.
Push the lever back against the backing plate and make sure the disc freely rotates, keep replacing the disc and adjust til this is correct for each side. Refit the cable both sides.
You need to have both rears adjusted, as the cable operates with one side pulling the opposite side, if one side doesn't bind/lock up, the handbrake won't operate correctly.
Then you can adjust the cable so the wheels start binding around 4 clicks.

If you're having trouble adjusting each side, take the disc off, lever the cable actuator lever, and make sure the adjuster is expanding the brake shoe.

 

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 Post subject: Re: Adjusting AU2/3 Handbrake (How to?)
Posted: Fri May 08, 2015 9:45 pm 
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If you have a big enough vernier gauge, the workshop manual says to wind the adjuster out until the diameter of the shoes is 189.6 - 189.8mm (as a starting point).

 

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