UFO brake question

[Bernie Benz]

New seals for what, the piston seal? I’ve assumed that you had  
disassembled, cleaned the caliper piston and bore, and therefore  
don’t need new piston seals. I don’t know of a replaceable seal
for the guide pins. Keep focused on the real problem?

Bernie


On May 12, 2008, at 6:13 PM, Mike Del Tergo wrote:

> Yes, lubed em, so not sure.  Actually found some new seals so I may  
> take them out again and go all the way.
>
>
>
> CC: 200q20v at audifans.com
> From: b.benz at charter.net
> Subject: Re: UFO brake question
> Date: Mon, 12 May 2008 17:42:01 -0700
> To: mdeltergo at hotmail.com
>
> If you are still seeing faster inboard wear after a “100% R&R”,  
> meaning remove and replace only?
> Obviously you meant more, but did you remove, clean and relube the  
> guide pins? Not so easy and obvious as on the G60 system.
>
> Bernie
>
> On May 12, 2008, at 5:03 PM, Mike Del Tergo wrote:
>
> 175K or 225K, equally impressive in my book.  Mine currently have  
> about 40K, and despite my R&R to make sure the calipers where 100%,  
> I'm still seeing more inboard wear than outboard, though still have  
> plenty of life, I'm thinking about 1/2 worn. (currently with Mintex)
>
> CC: 200q20v at audifans.com
> From: b.benz at charter.net
> Subject: Re: UFO brake question
> Date: Mon, 12 May 2008 16:39:58 -0700
> To: mdeltergo at hotmail.com
>
>  OK Mike, I looked up more detail on my UFO history, as follows:
>
> From PO’s records apparently the car had UFO rotors replaced under  
> warranty at 30K and47K!
> No record that pads were replaced at either of these Stealer  
> warranty services.
>
> I bought the car in the summer of ‘96 with about 60K on it.
>  6/97 I first replaced the OEM pads (Jurid 526FE) with Jurid  
> aftermarket pads (Jurid 571562J). Mileage not recorded, maybe 80K.
> 9/98 at 100K did a 4 corner caliper overhaul and measured UFO run  
> out, both sides at 0.0012” TIR, no problems.
> 8/05 replaced UFO pads with Textar 21219 (turned out to be re boxed  
> OEM pads (Jurid 526FE) at half the Stealer‘s price)
>
> So my rotors currently have only about 175K on them, not the  
> indicated 225K. But they have had 125K on them since they both  
> indicated 0.0012” TIR, so I would guess that they have worn to less  
> than half that runout by now. Maybe I'll measure again when I  
> change back to winter wheels.
>
> FYI, the generic FMSI number for UFO pads is #MKD467. Auto Zone and  
> Bendix both go by that number.
>
> Bernie
>
>
>
>
>
> On May 12, 2008, at 2:40 PM, Mike Del Tergo wrote:
>
> I'll throw a Q at Bernie, what do you use for brake pads, tissue  
> paper?  225K on a set of rotors is inconcieivable, but highly  
> desirable,  from what 1/2 million miles of driving has shown me,  
> let alone many less miles on UFOs.  How many sets of pads or do  
> those last for a decade as well? (25k per year x 10 years) Any  
> chance all you brake bias is set to the rear?
> I gotta know where you get your parts!
> Mike
>
> From: Bernie Benz <b.benz at charter.net>
> Subject: Re: UFO brake question
>
>
> What?s your Q? I?ll throw one back at you!
>
> Why do you think that they need repeated re machining? IMO, it?s a
> waste of good material and the trueness derived for normal wear. Mine
> at 225K have never been re machined, are dead true, and I believe
> will remain so for another 250K.
>
> Bernie
>
>
>
>
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