[s-cars] Rear caliper piston: how to move it into the caliper

[Konstantine Bogach]

Thank you, Scott!  You saved me $40+.
It worked even with tennis elbow.

Sent from my iPhone

On Sep 23, 2010, at 10:06 AM, qshipq at aol.com wrote:

> That square tool works fine if you loosen the bleeder screw  
> first...  Which you should do anyhow, no matter which tool you use.   
> I own several piston retraction tools, including that metalnerd  
> one.  I think it's the worst because the threads on the backing  
> plate jam don't match the threads of the piston post of any Audi  
> I've used it on.  Compare that tool to the 3272 from audi with the  
> correct pitch, you understand what I mean.
>
> I machined my own piston retraction tools from a crapsman sockets  
> and use the low torque setting on my air gun with the bleeder screw  
> open.  Less than 10 seconds and the piston is retracted.
>
> Pop the bleeder screw, and the 5.99 tool from HF will work just fine  
> IMO.
>
> HTH
>
> Scott J
>
> -----Original Message-----
> From: John Cody Forbes <cody at 5000tq.com>
> To: Konstantine Bogach <kbogach at comcast.net>
> Cc: s-car-list at audifans.com <s-car-list at audifans.com>
> Sent: Wed, Sep 22, 2010 11:09 pm
> Subject: Re: [s-cars] Rear caliper piston: how to move it into the  
> caliper
>
> You must both rotate and apply axial force to push the piston in,  
> and no, you
> can't apply enough force by hand. Sometimes, if in a pinch, I find  
> that it works
> to rotate a few runs then squeeze with a c-clamp are large pliers,  
> then rotate
> again and squeeze etc. This may get the job done but it takes a very  
> long time.
> Really you want/need the tool that pushes and turns for you.
>
> -Cody (mobile)
>
> On Sep 22, 2010, at 11:57 PM, Konstantine Bogach  
> <kbogach at comcast.net> wrote:
>
> >  I have this "cube" tool.  I rotated the piston clockwise and it  
> does
> > not go in.   But counter clockwise rotation quickly move the piston
> > outward.   Can it be that it does not go in because I can not apply
> > enough pressure on the piston with my bare hands?    I am afraid
> > something is off inside because the piston had to extend a lot,   
> the pad
> > wore out to the metal backing.
> >
> > Konstantine
> >
> > On 09/22/2010 09:19 PM, Ian Duff wrote:
> >> They screw back in. There are a number of ways to do so, the two  
> seemingly
> most common are:
> >> http://www.harborfreight.com/four-wheel-disc-brake-piston-tool-95713.html
> >> or
> >> http://www.idparts.com/catalog/product_info.php?products_id=402
> >>
> >> If you try to use needlenose pliers, be prepared to replace the  
> piston boots
> that you _will_ rip when the needlenose slips.
> >>
> >> -Ian Duff.
> >> On 22 Sep, 2010, at 20:56, Konstantine Bogach wrote:
> >>
> >>>  Hi,
> >>>
> >>> I am changing rear rotor/pads and need to get the piston into the
> >>> caliper.  Do I need to screw it onto  or just press it in?  I  
> remember
> >>> there is a threaded shaft inside to push the piston by parking  
> brake
> >>> mechanism.  It makes me doubt.
> >>> I rebuilt 4 of them in the past but time did not spare memories.
> >>>
> >>> Thanks.
> >>> Konstantine
> >>> _______________________________________________
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> >>> http://www.audifans.com/kb/List_information
> >>
> >
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