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Wagner thermoquiet friction code #4782510
06/09/18 08:22 PM
06/09/18 08:22 PM
Joined: Mar 2016
Posts: 20
Northern Michigan
chilson450 Offline OP
chilson450  Offline OP
Joined: Mar 2016
Posts: 20
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?


2001 Chevrolet 2500hd 8.1/Allison
2011 Ford Explorer 3.5
Re: Wagner thermoquiet friction code [Re: chilson450] #4782549
06/09/18 08:54 PM
06/09/18 08:54 PM
Joined: Jun 2003
Posts: 17,340
Deplorable in apple valley, ca
Chris142 Online content
Chris142  Online Content
Joined: Jun 2003
Posts: 17,340
Deplorable in apple valley, ca
What do these codes mean?


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Wagner thermoquiet friction code [Re: chilson450] #4782563
06/09/18 09:19 PM
06/09/18 09:19 PM
Joined: Jan 2006
Posts: 730
Los Gatos CA
djb Offline
djb  Offline
Joined: Jan 2006
Posts: 730
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.

Re: Wagner thermoquiet friction code [Re: chilson450] #4782620
06/09/18 10:48 PM
06/09/18 10:48 PM
Joined: Dec 2012
Posts: 361
PA
copcarguy Offline
copcarguy  Offline
Joined: Dec 2012
Posts: 361
PA
This counts as the "learn something new everyday" for me today...

Re: Wagner thermoquiet friction code [Re: copcarguy] #4782672
06/10/18 12:37 AM
06/10/18 12:37 AM
Joined: Apr 2017
Posts: 923
SF BAY AREA, CA
dogememe Offline
dogememe  Offline
Joined: Apr 2017
Posts: 923
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.


2007 Crown Vic P71 4.6 ~126K Miles, Royal Purple HPS 5W-30, Royal Purple Filter, Daily Driver.
2010 Escape FWD 2.5 ~84K Miles, Castrol Edge EP 5W-30, Wix Filter, Rented on Turo.
Re: Wagner thermoquiet friction code [Re: djb] #4782690
06/10/18 01:58 AM
06/10/18 01:58 AM
Joined: Mar 2012
Posts: 5,252
Colorado Springs
edyvw Offline
edyvw  Offline
Joined: Mar 2012
Posts: 5,252
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.


15' Toyota Sienna AWD (Mobil1 0W20 EP+ FRAM Ultra).
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)
Re: Wagner thermoquiet friction code [Re: chilson450] #4782759
06/10/18 06:13 AM
06/10/18 06:13 AM
Joined: Apr 2003
Posts: 1,354
Nowhere NM
Smoky14 Offline
Smoky14  Offline
Joined: Apr 2003
Posts: 1,354
Nowhere NM
WOW just wow, I've got H/H rated on my beast.

Smoky


99 Acura 2.3CL 5speed MT
12 Ford Fusion 2.5S 6speed MT
05 Suzuki Bandit 1200.
Re: Wagner thermoquiet friction code [Re: Chris142] #4782776
06/10/18 06:57 AM
06/10/18 06:57 AM
Joined: May 2010
Posts: 9,044
North Carolina
spasm3 Offline
spasm3  Offline
Joined: May 2010
Posts: 9,044
North Carolina
Originally Posted By: Chris142
What do these codes mean?



Last edited by spasm3; 06/10/18 06:57 AM.

13 elantra 70k 5w30 QSUD
03 chevy avalanche79k synpwr 10w30
01 saturnsc1 185k synpwr rebuilt
17 mazda cx-5 5600 miles m1 0w30
Re: Wagner thermoquiet friction code [Re: chilson450] #4782800
06/10/18 07:42 AM
06/10/18 07:42 AM
Joined: Dec 2012
Posts: 361
PA
copcarguy Offline
copcarguy  Offline
Joined: Dec 2012
Posts: 361
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.


Re: Wagner thermoquiet friction code [Re: copcarguy] #4782887
06/10/18 09:24 AM
06/10/18 09:24 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
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?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Wagner thermoquiet friction code [Re: edyvw] #4782888
06/10/18 09:26 AM
06/10/18 09:26 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
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."
Re: Wagner thermoquiet friction code [Re: chilson450] #4783182
06/10/18 04:23 PM
06/10/18 04:23 PM
Joined: Apr 2005
Posts: 583
Under the hood
Carmudgeon Offline
Carmudgeon  Offline
Joined: Apr 2005
Posts: 583
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.

Re: Wagner thermoquiet friction code [Re: Carmudgeon] #4783980
06/11/18 02:51 PM
06/11/18 02:51 PM
Joined: Jan 2004
Posts: 4,142
California
nthach Offline
nthach  Offline
Joined: Jan 2004
Posts: 4,142
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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