How to replace brake pads. - Alfa Romeo 4C Forums
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post #1 of 47 (permalink) Old 11-22-2016, 10:49 PM Thread Starter
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How to replace brake pads.

Was thinking of experimenting with some different brake pads. It looks like the front brakes can be just opened up with a pad "pusher" but looks like rears need a brake unwinding tool. Is that correct? If an unwinder is needed...any recommendations for set at Amazon. They have several at good prices there.

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post #2 of 47 (permalink) Old 11-22-2016, 11:00 PM
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Fronts can be pushed in by opening up bleeder and compressing piston from closest piston to farthest (4 total).

Rear will need piston compressor by winding. The typical cube and push tool from Autozone will not work.
I bought my Pittsburgh Automotive set from Amazon for relatively cheap.
You will need to use #7




Its kind of overkill to buy a whole set when you only need one disc....lol. But then again, who doesn't love having more than enough tools!??!?


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post #3 of 47 (permalink) Old 11-22-2016, 11:11 PM
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FRONT PAD CHANGE:

http://eurocompulsion.net/FRONTPADCHANGEALFA.pdf

REAR PAD CHANGE:

http://eurocompulsion.net/REARPADCHANGEALFA.pdf


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post #4 of 47 (permalink) Old 11-22-2016, 11:52 PM
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Caliper Winding tool

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Originally Posted by RKBerta View Post
Was thinking of experimenting with some different brake pads. It looks like the front brakes can be just opened up with a pad "pusher" but looks like rears need a brake unwinding tool. Is that correct? If an unwinder is needed...any recommendations for set at Amazon. They have several at good prices there.
This whole thread, like 3 days too late, for me -- just went through all the trials and tribulations of doing the brakes and rotors. I have lots of tools around, but it seemed that every step of the way, I didn't have the specific size bit/wrench etc. Four trips to home depot last weekend, I think.

As for the caliper winding tool, I bought from Amazon:
Zeny 21pc Professional Disc Brake Caliper Wind Back Tool Kit -- which I believe is among the cheapest of the 21 piece sets; as docron points out -- the tool from Autozone doesn't work (I verified that on Sunday) - got my order from Amazon today and it works like a charm.
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post #5 of 47 (permalink) Old 11-23-2016, 11:19 AM Thread Starter
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Thanks to all for the info!
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post #6 of 47 (permalink) Old 11-23-2016, 12:51 PM
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Great info - probably a winter project for me.

Added to the DIY reference sticky in the Technical section of the forum.

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post #7 of 47 (permalink) Old 11-24-2016, 01:31 PM
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Yes. It's an Alfa.

The fronts are 'normal'. I simply pushed the fluid back into the master and slipped in the new pads.

The rears presented a problem. I couldn't get the pistons to push back. So, I milled 60 thousandths off each pad and then they fit. But, I had to remove the caliper and take the two halves apart.

Now that I have the manual on CD, it says (from memory) to remove the parking brake cable and unwind the parking brake self-adjuster. Then swap pads while the caliper is still attached.
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post #8 of 47 (permalink) Old 11-24-2016, 05:36 PM Thread Starter
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Quote:
Originally Posted by Racer Z View Post
Yes. It's an Alfa.

The fronts are 'normal'. I simply pushed the fluid back into the master and slipped in the new pads.

The rears presented a problem. I couldn't get the pistons to push back. So, I milled 60 thousandths off each pad and then they fit. But, I had to remove the caliper and take the two halves apart.

Now that I have the manual on CD, it says (from memory) to remove the parking brake cable and unwind the parking brake self-adjuster. Then swap pads while the caliper is still attached.
Guess when there is a will there is a way LOL.....I ordered the wind out tool kit mentioned in earlier posts. Will do this when I wake up my car from hibernation.

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post #9 of 47 (permalink) Old 11-24-2016, 05:45 PM
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Since my father has a mill...
I could have used a belt sander or disc sander to shave the pads.

I definitely need to buy this special tool.
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post #10 of 47 (permalink) Old 11-26-2016, 05:37 PM Thread Starter
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Quote:
Originally Posted by Docron View Post
Fronts can be pushed in by opening up bleeder and compressing piston from closest piston to farthest (4 total).

Rear will need piston compressor by winding. The typical cube and push tool from Autozone will not work.
I bought my Pittsburgh Automotive set from Amazon for relatively cheap.
You will need to use #7




Its kind of overkill to buy a whole set when you only need one disc....lol. But then again, who doesn't love having more than enough tools!??!?
Got the kit today (with instruction in French). I figured everything out except which way each disk unscrews. It is obvious that with the two screw mechanisms one is evidently for one direction and the other the opposite. Do both disks unscrew like a normal screw thread (counterclockwise)?
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