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

Konstantine Bogach kbogach at comcast.net
Wed Sep 22 21:43:36 PDT 2010


  Thank you All for responses.  Will order the tool from ECS tomorrow. 
-- Konstantine

On 09/23/2010 12:09 AM, John Cody Forbes wrote:
> 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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