rear brakes
AudiWorld Super User
Joined: Mar 2000
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It's tricky
Here's a description of one man's method on an A4 (which is almost identical to my 99 A6), or you can get a special tool but I'm not sure where.<ul><li><a href="https://www.audiworld.com/tech/wheel.html">https://www.audiworld.com/tech/wheel.html</a</li></ul>
Elder Member
Joined: Mar 2001
Posts: 11,968
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The special tool ...
... that allows you to screw the piston back in.
I haven't tried this specific tool, but I saw it recommended in the A4 forum.<ul><li><a href="http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=40732">HarborFreight brake tool</a></li></ul>
I haven't tried this specific tool, but I saw it recommended in the A4 forum.<ul><li><a href="http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=40732">HarborFreight brake tool</a></li></ul>
AudiWorld Super User
Joined: Nov 2000
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You screw it back in. Get a special tool at the local auto store. It will be a cube with six
sets of "****" on it for different cars. The cube has 3/8" ratchet squares in it. I think they are 3/8", maybe 1/2". There will be one side with 4 **** in a square. The tool costs about $6?? Grind off two diagonally oppossed ****...
Before
*-*
*-*
After
*--
--*
Sometimes it helps to screw the pistion out a litle and then start screwing it in. Remember to apply some pressure when screwing in the cylinder too. The **** fit in the two slots shown in the piston below.
<img src="http://pictureposter.audiworld.com/12414/brakerearpassenger1.jpg">
Before
*-*
*-*
After
*--
--*
Sometimes it helps to screw the pistion out a litle and then start screwing it in. Remember to apply some pressure when screwing in the cylinder too. The **** fit in the two slots shown in the piston below.
<img src="http://pictureposter.audiworld.com/12414/brakerearpassenger1.jpg">
AudiWorld Super User
Joined: Nov 2000
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Here, I stole Andrew's (IqDOU?) picture of his tool with ground off ****.
By the way, the official Audi tool costs...about $60 as I recall. The Audi tool looks nice.
<img src="http://pictureposter.audiworld.com/1889/braketool.jpg">
<img src="http://pictureposter.audiworld.com/1889/braketool.jpg">
AudiWorld Super User
Joined: Nov 2000
Posts: 9,421
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Nice looking. I'd like to see it. Screwing in those pistons is not easy. That T bar could either be
bigger or there is some mechanical advantage I'm not seeing.
A good tool would be nice. With two people (one to hold the brake assembly and cube tool, another to run the ratchet with both hands, it wasn't too bad. Alone it would be a PIA.
A good tool would be nice. With two people (one to hold the brake assembly and cube tool, another to run the ratchet with both hands, it wasn't too bad. Alone it would be a PIA.
AudiWorld Senior Member
Joined: Mar 2000
Posts: 1,869
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Some of them even come set up with two pins
<center><img src="http://pictureposter.audiworld.com/2251/mvc-002f.1.jpg"></center><p>
No grinding required. This was from Autozone and fits on a 3/8" extension.
No grinding required. This was from Autozone and fits on a 3/8" extension.
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