Brakes Sqeaking After Changing To Bendix Ultimates

[oblivo]

I think someone needs to start a sticky on this issue considering both the amount of threads and misinformation out there.

I had this intense squealing problem after swapping to DBA 4000 rotors and Endless pads. In trying to retify the problem, I've been to three workshops, swapped in and out five sets of pads (including Ferodo and Bendix Ultimate, Advance and Heavy Duty) had the rotors machined twice and on and off the car countless times, even tried the above combinations with standard rotors. I had the calipers rebuilt at considerable expense, tried a variety of shims, goos and compounds trying to get them to shut up.

Currently, I'm back to standard pads with the DBA 4000s with custom shims, and the squeal is still there on occassion but bearable. My pedal feel, and general braking power, however, is poor.

[RBwhatever]

I think someone needs to start a sticky on this issue considering both the amount of threads and misinformation out there.

I had this intense squealing problem after swapping to DBA 4000 rotors and Endless pads. In trying to retify the problem, I've been to three workshops, swapped in and out five sets of pads (including Ferodo and Bendix Ultimate, Advance and Heavy Duty) had the rotors machined twice and on and off the car countless times, even tried the above combinations with standard rotors. I had the calipers rebuilt at considerable expense, tried a variety of shims, goos and compounds trying to get them to shut up.

Currently, I'm back to standard pads with the DBA 4000s with custom shims, and the squeal is still there on occassion but bearable. My pedal feel, and general braking power, however, is poor.

I reckon its just part of the parcel. If you want uprated/upgraded brake pads, be prepared to get some noise. some will squeal more or less than others, but it comes down to the compound of the brake pad, and regardless of what you do it will squeal to some extent.

[Beer Baron]

dude, do not put silicone, or sellys gap filler, or plaster of paris on the back of your pads. none of it will help and all of it will destroy your pedal feel.

you need to use either the marketed brake anti-squel grease, or high temp copper grease. put some on the back of the pad, place on one shim, put on a little more, then the vented shim, then some more, then the angled shim. do not use too much as you don't want it getting on the pads friction surface or on the disk.

[RBwhatever]

dude, do not put silicone, or sellys gap filler, or plaster of paris on the back of your pads. none of it will help and all of it will destroy your pedal feel.

you need to use either the marketed brake anti-squel grease, or high temp copper grease. put some on the back of the pad, place on one shim, put on a little more, then the vented shim, then some more, then the angled shim. do not use too much as you don't want it getting on the pads friction surface or on the disk.

hahahaha yeah I figured that. I haven't got anything on there now except for the shims. I'm not concerned about it any more so it doesn't matter

[Bl4cK32]

I reckon its just part of the parcel. If you want uprated/upgraded brake pads, be prepared to get some noise. some will squeal more or less than others, but it comes down to the compound of the brake pad, and regardless of what you do it will squeal to some extent.

I think u should quit with the "Pads squeal".

If everything has been installed correctly, and has been done according to how it should be then pads wont squeal.

FYI, nissan include copper grease a part of the shim kit. I used it and have never had any squeal or noise from the rb74's i have in their now. These are a slightly more expensive pad than bendix crap too, and i only use em on the street.

Ive had my callipers rebuilt, the new rotors machined, new pads installed, new shim kit and everything is quiet. Do a have arse job and just slap in new pads, then dont do the "bedding in" period (Yes this means matching the surface of the pad to the rotor, or removing any compound from the pads manufacture) and u will have problems.

[moonus]

i just did what lunatik suggested and bedded them in. The squeal has gone down somewhat, but it is still there. Perhaps ill try this process over..

[RBwhatever]

I think u should quit with the "Pads squeal".

Hmmm

If everything has been installed correctly, and has been done according to how it should be then pads wont squeal.

Tell that to oblivo.

FYI, nissan include copper grease a part of the shim kit. I used it and have never had any squeal or noise from the rb74's i have in their now. These are a slightly more expensive pad than bendix crap too, and i only use em on the street.

As I said "some will squeal more or less than others" or some may not at all.

Ive had my callipers rebuilt, the new rotors machined, new pads installed, new shim kit and everything is quiet. Do a have arse job and just slap in new pads, then dont do the "bedding in" period (Yes this means matching the surface of the pad to the rotor, or removing any compound from the pads manufacture) and u will have problems.

Like you have pointed out, it could be a combination of things. But it still doesn't mean that even if you do all the appropriate measures to prevent it, it's not going to stop it completely in all cases. Quote from Bendix for the Ultimates: "Low noise and quiet operation." They never said it was ever going to be a silent pad. Some people have problems with noise with them, some people don't.

[Bl4cK32]

As I said "some will squeal more or less than others" or some may not at all.

Like you have pointed out, it could be a combination of things. But it still doesn't mean that even if you do all the appropriate measures to prevent it, it's not going to stop it completely in all cases. Quote from Bendix for the Ultimates: "Low noise and quiet operation." They never said it was ever going to be a silent pad. Some people have problems with noise with them, some people don't.

as i said, if brake pads are installed and run in properly they WONT <----read WONT- sqeal.

It can stop completely.

I dont quote manufacturers, i just install pads -bendix, etc. u name it- properly and it has never failed.

[RBwhatever]

LOL rightio My arguement still stands. What about pad compound? That's got heaps to do with it too. So your saying if I ran a set of dedicated race pads, if I bed them in, I'm guarunteed to not get squeal even for street use & light braking?

Edited July 18, 2007 by KeyMaker

[Zahos]

I've had 3 sets (or is it 4 now???), and when installed properly they don’t squeal.... EVER!

Unless I do ALL of the following, they will squeal.

- Once old pads are removed, spray the pistons on the callipers with some degreaser, and wipe the pistons down well

- clean the anti-squeal shims with some degreaser and steel wool, until all goo and brake dust has been removed (NOTE: doesn't have to be degreaser, anything that gets that shit off is fine)

- spray some anti squeal brake glue on the shims EXCEPT on the sides where the shims rub together. So, on the side of the shim that will touch the piston, and on the side of the shim that will touch the back of the brake pad.. (NOTE: I don’t know if this is the right way to do it, but it works for me)

- spray some anti squeal brake glue on the back of the brake pad

Put brakes back in.

- go for a drive down the street, and do about 5 to 8 HARD stops from 60 km/h down to 10 km/h (without skidding, invoking ABS, or coming to a complete stop)

- finished.

This works for me every time.

Also, just to note:

- once I put the anti squeal glue on every surface of the shims, and it still squealed

- another time I didn't put any, and it squealed

- another time, I cleaned the shims, didn’t put glue, and it didn't squeal?

So, my directions above may not be the only solution, but it's the only solution that has generated no squeal for myself consistently.

[Bl4cK32]

LOL rightio My arguement still stands. What about pad compound? That's got heaps to do with it too. So your saying if I ran a set of dedicated race pads, if I bed them in, I'm guarunteed to not get squeal even for street use & light braking?

thats a pointless argument

[RBwhatever]

So your saying pad compound has nothing to do with it..? How is it pointless? Its a valid scenario.

[Cubes]

You are talking about extreme's. The discussion I believe was talking about general street pads. Which ultimates are. They are far from being a track pad.

[RBwhatever]

Yes thats fair enough. I was just using it for examples sake. Brake pad compounds differ from pad to pad. From what Bl4cK32 is saying that it dosent matter pads you use, proper installation of them will ensure in no squeal.

[Bl4cK32]

Yes thats fair enough. I was just using it for examples sake. Brake pad compounds differ from pad to pad. From what Bl4cK32 is saying that it dosent matter pads you use, proper installation of them will ensure in no squeal.

No i said depending on what u do with your pad if u install and run em in right then no pad will squeal.

I dont know where u went off at right angles....

Edited July 18, 2007 by Bl4cK32

[RBwhatever]

No i said depending on what u do with your pad if u install and run em in right then no pad will squeal.

I dont know where u went off at right angles....

Ok here we go. In my other post I did refer to running in/bedding in as part of it.

Please see here....

LOL rightio My arguement still stands. What about pad compound? That's got heaps to do with it too. So your saying if I ran a set of dedicated race pads, if I bed them in, I'm guarunteed to not get squeal even for street use & light braking?

And this here is a continuation of my arguement. I did not feel it was necessary to include all information twice.

Yes thats fair enough. I was just using it for examples sake. Brake pad compounds differ from pad to pad. From what Bl4cK32 is saying that it dosent matter pads you use, proper installation (insert bedding in comment here) of them will ensure in no squeal.

I'm saying it again.

It still doesn't mean that even if you do all the appropriate measures to prevent it, it's not going to stop it completely in all cases. Some people will have problems with noise, some people don't.

To say that "depending on what u do with your pad if u install and run em in right then no pad will squeal" is not true. Yes it will help and can stop or minimize squeal, but it will not always work in all cases. In a perfect world maybe, but not here

I'm not trying to prove you wrong, I'm just trying to say that proper installation and bedding in procedures will not cure all squealing problems.

Cheers

[RBwhatever]

Whoops douple post

Edited July 18, 2007 by KeyMaker

[Bl4cK32]

I'm not trying to prove you wrong, I'm just trying to say that proper installation and bedding in procedures will not cure all squealing problems.

In your case, u can live with sqealing brakes. In my world, no one has to live with a shitty job done wrong.

[r33pr]

this is one of the dumbest things ive read all day!!!i am a mechanic and i work at a reputable business in melbourne and if i fitted pads in a customers car and they sqeeled they complain.street pads wont sqeel unless theyre in wrong.instead of fitting your pads at home dont be so tight and get it done at a MECHANICS!!!!!then this wont happen..also some race pads sqeel but im talking about REAL race pads for track only.and thats usually only using cross drilled(crap)rotors.

[RBwhatever]

In your case, u can live with sqealing brakes. In my world, no one has to live with a shitty job done wrong.

It is a very common problem that is not always simply fixed.

Sorry for any inconvenience or offense I may have caused you.

Cheers & peace brother.

Edited.

Edited July 18, 2007 by KeyMaker