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#4782510 - 06/09/18 08:22 PM Wagner thermoquiet friction code
chilson450 Offline


Registered: 03/30/16
Posts: 20
Loc: Northern Michigan
I just installed a set of thermoquiet pads on my mother-in-law's Cadillac Escalade. These were front pads with the part number qc785. I ordered them from Rock Auto. The friction code on them was FE. It doesn't bother me much but most the other ones I have seen have been FF or higher. What have you seen on your thermoquiets that you've had?
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2001 Chevrolet 2500hd 8.1/Allison
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#4782549 - 06/09/18 08:54 PM Re: Wagner thermoquiet friction code [Re: chilson450]
Chris142 Online   content


Registered: 06/05/03
Posts: 16843
Loc: Deplorable in apple valley, ca
What do these codes mean?
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#4782563 - 06/09/18 09:19 PM Re: Wagner thermoquiet friction code [Re: chilson450]
djb Offline


Registered: 01/16/06
Posts: 725
Loc: Los Gatos CA
They are codes that describe the friction coefficient when cold and hot.

Premium pads used to be FF, but now GG pads are common. EE pads are low end.

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#4782620 - 06/09/18 10:48 PM Re: Wagner thermoquiet friction code [Re: chilson450]
copcarguy Offline


Registered: 12/06/12
Posts: 335
Loc: PA
This counts as the "learn something new everyday" for me today...

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#4782672 - 06/10/18 12:37 AM Re: Wagner thermoquiet friction code [Re: copcarguy]
dogememe Offline


Registered: 04/15/17
Posts: 613
Loc: SF BAY AREA, CA
Originally Posted By: copcarguy
This counts as the "learn something new everyday" for me today...


Agreed, I work at a parts store and never knew this.
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2007 Ford Crown Vic P71 4.6 ~124K Miles, SynPower 5W-30, Royal Purple Filter. *Daily Driver*
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#4782690 - 06/10/18 01:58 AM Re: Wagner thermoquiet friction code [Re: djb]
edyvw Offline


Registered: 03/08/12
Posts: 5038
Loc: Colorado Springs
Originally Posted By: djb
They are codes that describe the friction coefficient when cold and hot.

Premium pads used to be FF, but now GG pads are common. EE pads are low end.

GG are confined to ceramic pads. Des not mean anything when it comes to braking performance.
For example, most Japanese cars, family vehicles, come with ceramic pads and GG codes. BMW M3 with regular brakes comes with FF pads. Go figure which one brakes better.
I had Akebono on my VW CC with GG code. Took them down after 5K and will never in my wildest dreams think of buying them again.
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#4782759 - 06/10/18 06:13 AM Re: Wagner thermoquiet friction code [Re: chilson450]
Smoky14 Offline


Registered: 04/23/03
Posts: 1339
Loc: Nowhere NM
WOW just wow, I've got H/H rated on my beast.

Smoky
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#4782776 - 06/10/18 06:57 AM Re: Wagner thermoquiet friction code [Re: Chris142]
spasm3 Online   content


Registered: 05/30/10
Posts: 8663
Loc: North Carolina
Originally Posted By: Chris142
What do these codes mean?




Edited by spasm3 (06/10/18 06:57 AM)
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#4782800 - 06/10/18 07:42 AM Re: Wagner thermoquiet friction code [Re: chilson450]
copcarguy Offline


Registered: 12/06/12
Posts: 335
Loc: PA
I recently did the rear brakes on my '97 Tracer commuter and took a pic. Now since I've read this thread I can see FF on the pad. I guess the $4.54 set of RockAuto wholesaler closeout pads are pretty good lol.


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#4782887 - 06/10/18 09:24 AM Re: Wagner thermoquiet friction code [Re: copcarguy]
Linctex Offline


Registered: 12/31/16
Posts: 6178
Loc: Waco, TX
Originally Posted By: copcarguy
This counts as the "learn something new everyday" for me today...


Same here....

Who does the testing?

Who publishes the results? Where?
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#4782888 - 06/10/18 09:26 AM Re: Wagner thermoquiet friction code [Re: edyvw]
Linctex Offline


Registered: 12/31/16
Posts: 6178
Loc: Waco, TX
Originally Posted By: edyvw

GG are confined to ceramic pads. Des not mean anything when it comes to braking performance.

I had Akebono on my VW CC with GG code. Took them down after 5K and will never in my wildest dreams think of buying them again.


Same here ... I have some high $$$ ceramic brake pads on my F150

NO BRAKE DUST on the wheels, but they TEAR UP the new rotors and I don't like how "slippery" they feel.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4783182 - 06/10/18 04:23 PM Re: Wagner thermoquiet friction code [Re: chilson450]
Carmudgeon Offline


Registered: 04/26/05
Posts: 540
Loc: Under the hood
"Edge codes" can provide some interesting information, but the friction code alone is about as useful as UTQG tire ratings...in other words, quite limited, and not something which should entirely drive the decision process when shopping for pads.

They both provide only an approximation of specific performance characteristics, under a specific set of controlled circumstances.

They don't account for other performance characteristics, nor necessarily correlate with real world driving performance, and are far from the complete story.

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#4783980 - 06/11/18 02:51 PM Re: Wagner thermoquiet friction code [Re: Carmudgeon]
nthach Offline


Registered: 01/02/04
Posts: 3909
Loc: California
Originally Posted By: Carmudgeon
"Edge codes" can provide some interesting information, but the friction code alone is about as useful as UTQG tire ratings...in other words, quite limited, and not something which should entirely drive the decision process when shopping for pads.

They both provide only an approximation of specific performance characteristics, under a specific set of controlled circumstances.

They don't account for other performance characteristics, nor necessarily correlate with real world driving performance, and are far from the complete story.

I only trust the edge code to provide me some traceability back to who made the pad and a reasonable expectation with how a pad will perform(friction coefficient).

With that said, we all go gaga over FG/GG rated pads, and Wagner's ThermoQuiets are almost always FG/GG rated for their friction coefficient. But I've been disappointed in them in all but 2 trucks I've installed them on.

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