Need opinion on what to do with brakes on 924s

[matt1415]

My new pads are 2 thick and will not fit into the floating frame caliper properly, specifically the pad on the outer side. I have tried sanding the one pad but it takes too long and is just not worth the effort. On the other hand my old pads are still nice and chunky and fit perfectly in the caliper My question is if I reuse the old pads is it going to mess up the new rotors? I know the answer is probably yes but given the old pads still have plenty of life left on them does this change anything?


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[matt1415]

Forgot to add, yes piston is pressed in all the way. Also my old rotors wore down a lot faster than the pads did. They rotors had lips on them so definitely needed to be changed but for some reason pads are still good.


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[Bradical]

Did you disassemble the calipers at all? If the floating portion of the caliper isn't in the correct seated position it can make getting the brake pads in a chore.

[Mr. Squid]

I had a similar situation years ago, if the pads have an anti rattle shim on the pack, you can remove that shim to gain a little space.

You should be fine using the old pads with the new rotors. My car was a street and track car, and I would swap in different pads every track weekend, and go back to street pads before driving to work on Mondays. I definitely wasn't changing rotors every time!

[matt1415]

Originally Posted by Bradical

Did you disassemble the calipers at all? If the floating portion of the caliper isn't in the correct seated position it can make getting the brake pads in a chore.

I did not disassemble the caliper at all apart from removing the 2 pins and the pad retainer obviously. Is this an easy task to do?


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[Swennydawg]

The brakes on a 924S can be done before you're half way done with a 12 oz can of beer with a blind fold on. Check to see if you ordered/received the correct parts. It really is the easy fix on these cars. If not, penetrating fluid and a sledgehammer.

[kevrobert]

Use a file to take off any high spots on the metal which will also limit any drag by ill fitting parts not usually done in anyones service book but worth the time to get the wheels rolling freely.

[jcommin]

Check the obvious:

Right pads
Check condition of the rotors
Make sure the piston is pushed back
If your caliper is the floating type, the housing is 2 pieces. One floats on the other, clean the housing with brake cleaner and lubricate the guides.

[curtisr]

Originally Posted by jcommin

Check the obvious:

Right pads
Check condition of the rotors
Make sure the piston is pushed back
If your caliper is the floating type, the housing is 2 pieces. One floats on the other, clean the housing with brake cleaner and lubricate the guides.

And then use a hammer to tap the floating piece into place (the other half).

[matt1415]

I'm an idiot, I didn't realize the whole frame of the caliper is able to move back and forth. I litterly just had to pull the frame of the caliper towards myself when it was mounted and it gave me all the space in the world. I ended up getting new pads for the front after I decided to sand down the other ones I initially got. Wagner thermo quiet. No sanding required fronts have worn in beautifully since. I'm still hesitant on doing the rears though. I don't like how their is a solid brake line going to the caliper instead of a hose. Just more things to go wrong on a 30 year old car. Anyone have problems doing these?

[jcommin]

No. The rears aren't difficult either.

[IdahoDoug]

Hit the brake line fitting with good penetrating oil a few times before the job. Peace of mind...