Thread: 98 110 Brake Calipers

90to93 solid front rotor is the same as 94to98 rear rotor same part number in my catalogue both are rda87

Originally Posted by uninformed

does anyone know if the front disc rotor from non vented fronts is the same as the disc rotor for 1998 110 tdi rear (ie all 300 tdi 110/130 rears)

Reason I ask is I found out the rotors I was supplied are wrong (mid operation) The brake shop got the book out and it only lists 99 onwards for rears. These are only 59mm tall, mine are 70mm or so.... on paper it looks like the front disc for non vented is the same????

Hi Serge,
I had this issue last week, yes it's the non vented fronts that you need for the rear. At least it was on my 95 130.

Tony

Serg, JC listed a few cock ups in various catalogues too, particularly the DBA one but Matt and Tony have helped you out.
Sorry, been a bit, err, fraught here, will try and ring today sometime, probably after 11:30.
Supposedly doing the windscreen first thing and then teaching.

yep guys, thanks.

When I took them back the book only had the one listing, we took the punt on the older solid fronts going by the measurements. When I went back later in the day to pick them up, the guy grabs another book from his pile on the counter and low and behold they have the correct listings in it (WTF, why didnt you extend your arm earlier )

Rotors are Protex DR087 for rear. Protex DR086 for ventilated front.

I finally got the rear end done. That is all new wheel bearings, rebuilt calipers installed, new rotors, diff oil changed. So far so good, I even took it for a run last night and didnt die in a fire ball of death

My brakes are squealing...BAD!

Any ideas why? Rotors are Protex, pads are Bendix. Light braking doesnt do it, but semi medium and medium (i.e. 80% of braking up to lights etc) make it happen. I even think it is happening somewhat when driving off from the lights. Hard to tell though and its no way as noticable as under braking.

Did you install the anti-squeal shims ?

They provide a small amount of toe in to the pad, otherwise, brake harder !
How many km so far ?
They might still be bedding in if under 4-500km, and not have full pad face contact yet?

My Ferodo's do it when dusty, always have, but never when clean.

AFAIK these pads come with them attached on the back of the metal plate, thin and slightly rubberised.

Yes still under 400km. When I took it for its first test drive, I did 6-10 of up to 40km/h then medium to heavy braking to try and bed them in. I have never, ever had brakes squeal on this truck in over 13 years.....then again I have never done the brakes myself before either

OK, thats just a rubberised backing material that's there to supposedly attenuate any high frequency vibration that creates the squeal, but the genuine shim is a thin, metal shim that has half a hole cut where the piston/s sit so that the pad sits slightly crooked (only a couple of thou) as the pad hits the disc.
This also helps stop the vibration that creates the squeal and is usually much more effective than the rubberised backing material.

Bendix 4WD pads usually have the least problems with noise, at least with the other 4WD's.
I have some TRW pads here that solve the squeals on 110/130's, just haven't bothered fitting them yet.