Cant retract rear caliper pistons on '95 A6

[mike]

you have to turn & press at the same time I think


--- On Mon, 2/6/08, Tyson Varosyan <tigran at tigran.com> wrote:

> From: Tyson Varosyan <tigran at tigran.com>
> Subject: Cant retract rear caliper pistons on '95 A6
> To: quattro at audifans.com
> Date: Monday, 2 June, 2008, 2:45 AM
> Hi Guys,
> 
>  
> 
> Doing a brake job on my pop's 1995 A6Q. The front
> brakes were as easy as can
> be - we did the pads and rotors in record time.
> 
>  
> 
> The rear is another story. We removed the old rotors and
> pads, but are
> unable to push in the caliper pistons. I can usually do it
> by hand, but here
> I went and got a special press tool for the job. I exerted
> at least 250 foot
> pounds of torque on a screw-type press unit (with a 2ft
> breaker bar). That
> piston just won't go in! Obviously, it is possible that
> the caliper is just
> bad, but I have a hard time believing that BOTH rear
> calipers went bad at
> the same time and the fact is that I cannot get either one
> of them to push
> back in. There has got to be a trick! I remember on an old
> Subaru that I had
> (an '83) you had to twist the piston 90 degrees for it
> to manually go in. I
> tried that here, but although the piston does spin, it did
> not go back in.
> 
>  
> 
> I am frustrated, dirty and tired and the car is in pieces
> in my driveway.
> HELP!
> 
>  
> 
> BTW, NAPA shows reman'ed calipers are $250ea with a
> $100 core trade-in. Bit
> steep. 
> 
>  
> 
> Tyson Varosyan
> 
> Technical Director, Uptime Technical Solutions LLC.
> 
>  <mailto:tyson at up-times.com> tyson at up-times.com
> 
>  <http://www.up-times.com> www.up-times.com
> 
> 206-715-TECH (8324)
> 
> UpTime/OnTime/AnyTime
> 
>  
> 
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