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-   -   4 piston caliper question (https://www.nopistons.com/2nd-generation-specific-17/4-piston-caliper-question-68155/)

silver86 11-16-2007 05:49 PM

1 Attachment(s)
when i removed my seized calipers from my parts car, attached to the caliper (where the caliper met the hub) were little clip like spacers... i neglected to remove them and stick them on my remaned calipers...



my question would be... do i need them? were they of any use?



and if i need them, where to get them? places like mazdatrix and napa dont carry parts like that...



you can kind of see them in this picture...



Attachment 18781

turborotor 11-16-2007 06:38 PM

Are you talking about the spring like clips on top? They are not essential, mostly there to keep the pad from rubbing/dragging/noise.

silver86 11-16-2007 10:25 PM


Originally Posted by turborotor' post='888076' date='Nov 16 2007, 06:38 PM
Are you talking about the spring like clips on top? They are not essential, mostly there to keep the pad from rubbing/dragging/noise.





not those... i highlighted them in the attached picture

RONIN FC 11-16-2007 10:44 PM

Want a shot in the dark answer?



Could be there to prevent a galvanic reaction between the dissimilar metals, keeping it from corroding and dissolving like alka seltzer.



Or maybe stop potential creaking sounds from your brakes.



dunno!?

silver86 11-16-2007 11:08 PM


Originally Posted by RONIN FC' post='888096' date='Nov 16 2007, 10:44 PM
Want a shot in the dark answer?



Could be there to prevent a galvanic reaction between the dissimilar metals, keeping it from corroding and dissolving like alka seltzer.



Or maybe stop potential creaking sounds from your brakes.



dunno!?





i dont know about the galvanic corrosion... both parts are aluminum if im not mistaken..... hmmm

fcs13 11-17-2007 06:54 PM

That piece is a stock shim placed there by mazda. I would guess it was placed there to help align the caliper and the brake pads so they dont drag on the surface of the rotors. but thats my guess.

silver86 11-18-2007 05:03 AM

ill install them regardless... well see what happens..

fcs13 11-18-2007 11:41 AM

you'll never know until you try. If you dont get any kind of horrid grinding sounds coming from your front brakes then I guess its alright https://www.nopistons.com/forums/pub...IR#>/smile.gif If it sounds like live cats being cut apart with a chainsaw then its time to break out the shim. Good luck

turborotor 11-19-2007 06:27 PM

Keep them on. Specially if you leave in areas of high salt / damp areas. The calipers are aluminum while the spindle is steel.

RONIN FC 11-20-2007 09:58 PM


Originally Posted by turborotor' post='888288' date='Nov 19 2007, 07:27 PM
Keep them on. Specially if you leave in areas of high salt / damp areas. The calipers are aluminum while the spindle is steel.

Galvanic reaction. Its what i figured, but ive seen so many spindles...


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