4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Trouble installing rear brakes

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Old 07-29-2010, 09:26 AM
  #11  
devongarver
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Originally Posted by Shelbyville
This isn't something you push in. The rear piston has to be turned. It has two notches that are "V" shaped and the manual said you can use a needlenose plyers to turn it or a brake piston tool but neither work. It looks like it might be all the way in though now that I think about it. There is only about a 1/6 of an inch sticking out. I think I may let my local shop worry about it. I tried putting on the new pads and getting the caliper back on but no go. It won't go over the new pads.
Is the piston seized? or does it turn CCW and come back outward? If it is seized just spray some PB blaster on it and soak for a bit and try again. If it is not seized....your pads could be incorrect or out of spec?? are they cheapo pads?
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Old 07-29-2010, 08:06 PM
  #12  
mustang51js
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Originally Posted by BraMas
Ah you called me a "********" and a "douche bad" all in the same post. Thank you I'll take it as a compliment. The point is if you don't know don't post

OP I wouldn't sand the brakes down you need to make sure the brakes are working properly. What I do when they are being stubborn I try spinning it one way and than spin it the other way eventually it will go in
i mentioned sanding them down cause i had to do it with my front brakes,brand new calipers and pads and it seemed the pads are thicker than normal and wouldnt fit without doing it,he said they were retracted all the way so thats what made me think of it, it would def be a last option to do
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Old 07-29-2010, 08:54 PM
  #13  
BraMas
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I have done allot of brakes in my life and have never had to sand down new ones to get them to fit. The only time I have had trouble is when I thought the piston was all the way in and it wasn't. If the piston is not all the way in you will not get the caliper bolts back in
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Old 07-29-2010, 09:00 PM
  #14  
mustang51js
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that was the only time i had to do it, the pads came from ebay so that might be why, i even had my freind who is a mechanic help me and he said it was the only option i had with out getting new pads,it wasnt much to sand
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Old 07-30-2010, 06:38 AM
  #15  
devongarver
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Originally Posted by mustang51js
that was the only time i had to do it, the pads came from ebay so that might be why, i even had my freind who is a mechanic help me and he said it was the only option i had with out getting new pads,it wasnt much to sand
exactly, that's why I asked if they were cheapo pads or out of spec...which they obviously were. No harm no foul, just sayin, in normal oem replacement, sanding is not in the procedure lol
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