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Any benefit to galvanized brake pad backing plate #5266752 11/14/19 08:15 AM
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Donald Offline OP
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I watched the video from the one vendor that hawks their galvanized brake pad backing plate. Is there any real benefit? Or just in theory? Are OEMs galvanized and then painted? Any other brands?

I feel Akebono to be high quality brake pads and could not see on their literature stating anything about the backing plate.

For those changing a lot of brake pads in rust belt, how many have the pad material come off the backing plate?

Solution looking for a problem?


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Any benefit to galvanized brake pad backing plate [Re: Donald] #5266758 11/14/19 08:22 AM
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kschachn Offline
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Is it a drum brake backing plate or a disc brake dust shield? Backing plates aren't that common anymore since few modern cars have drum brakes in the rear.


1994 BMW 530i, 251K
1996 Honda Accord, 280K
1999 Toyota Sienna, 428K
2000 Toyota ECHO, 284K
Re: Any benefit to galvanized brake pad backing plate [Re: Donald] #5266770 11/14/19 08:28 AM
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Donald Offline OP
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Ok, wrong term. The piece of metal the disc pads are glued to.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Any benefit to galvanized brake pad backing plate [Re: Donald] #5266773 11/14/19 08:31 AM
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kschachn Offline
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Ohh, well that is the correct term, sorry I was not thinking about the brake pad itself even though you said that. My mistake.

I have seen mine be rusted after the life of the pad is exhausted but I haven't seen it interfere with the proper operation of the brakes. All the ones I've installed are painted, but galvanized wouldn't hurt I suppose. Do they cost a lot more than the "regular" ones?

I definitely live in the rust belt but the issues I see are rusting on the pad carrier which will cause the pads to get stuck, or rusting in the caliper pin bore (between the boot and the metal) which can cause the pins to seize. I haven't seen a big issue with pad backing plate rusting.

Last edited by kschachn; 11/14/19 08:35 AM.

1994 BMW 530i, 251K
1996 Honda Accord, 280K
1999 Toyota Sienna, 428K
2000 Toyota ECHO, 284K
Re: Any benefit to galvanized brake pad backing plate [Re: Donald] #5266786 11/14/19 08:38 AM
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Miller88 Offline
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Would the galvanized pad backing plates not swell up? The issue I have with the caliper bracket style brakes , opposed to the style on my Jeep where the caliper bolts directly to the knuckle is the pad ears rust/corrode and swell up and end up causing the brakes to drag. Because the bad is jammed into the anti rattle clips. In my truck, I just don't use the clips and that helped a bunch.


18 Forester 2.5I 6M
00 Jeep XJ
01 F-350 4x4 5M
Re: Any benefit to galvanized brake pad backing plate [Re: Donald] #5266788 11/14/19 08:39 AM
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jbutch Offline
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I live in Canada with lots of salt on the road in the winter and it has never been a problem to have painted steel back plate.

I think it's purely marketing.


2015 Forester XT @ 104k km
Current fill: Pennzoil Euro LX 0w-30 with Fram Ultra XG7317
Re: Any benefit to galvanized brake pad backing plate [Re: Donald] #5266792 11/14/19 08:43 AM
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krismoriah72 Offline
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I think the Raybestos EHT are stainless. I saw a set of carquest premiums that had some kind of rubber coating.

My Ford Oem brakes on my Fusion fell apart in my hands when i checked them.. with only 40K miles.

I have seen GM oem brakes on 1500 and 2500 series with 150K miles that looked less than half worn and in great shape as a comparison.

Re: Any benefit to galvanized brake pad backing plate [Re: Donald] #5266824 11/14/19 09:07 AM
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doitmyself Offline
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I believe that the quality of the plain steel can influence the amount of salt corrosion that occurs. Some mfg. might use high quality steel that endures salt corrosion better. But, how would we know which brands are better?

Below are some pictures of my Patriot's OEM Akebono pads after 6 salty winters and about 84,000 miles. The best brakes I have ever owned (longevity and non problematic). Shameful, but I never once took these brakes apart to clean and lube them and there was never any binding problems with either the pad ears or pins. Remarkable. Note that these Akebono OEM's are different than their aftermarket replacements. I could have gotten another 5,000 miles out of these, but elected to replace the pads and rotors before winter.
[Linked Image] [Linked Image]

Note that the pad ears are relatively clean and not swelled with rust. In this case, galvanized backing plates would not have made any difference. I attribute it to high quality steel - my hypothesis, because the paint coating was deteriorated, providing diminished protection.

Those galvanized pads are listed at over $100 per set according to one poster here.






Re: Any benefit to galvanized brake pad backing plate [Re: Donald] #5267000 11/14/19 11:32 AM
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Donald Offline OP
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Yes the galvanized are over $100.

Of course you cannot look at any literature and determine what quality of metal the backing plate was made with. Unless it was stainless.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Any benefit to galvanized brake pad backing plate [Re: Donald] #5267054 11/14/19 12:26 PM
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BMWTurboDzl Offline
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Engineering Explained just did a video about this. Basically go with the original pads.


“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

435i
Re: Any benefit to galvanized brake pad backing plate [Re: doitmyself] #5267066 11/14/19 12:37 PM
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Kestas Offline
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Originally Posted by doitmyself
I believe that the quality of the plain steel can influence the amount of salt corrosion that occurs. Some mfg. might use high quality steel that endures salt corrosion better.

"Quality" of steel has nothing to do with corrosion resistance, unless you start talking about stainless steel. Corrosion resistance comes from the coatings, i.e., whether they be paint, galvanized, epoxy, or UV cure paint.

Re: Any benefit to galvanized brake pad backing plate [Re: Donald] #5267215 11/14/19 02:34 PM
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geeman789 Offline
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For my Honda, name brand aftermarket pads ( Raybestos EHT for example ) are about $ 30.00 - 40.00 a set. The galvanized pads are $ 160.00 ...

Not sure that's worth it, given that my brake pads friction material only seems to last about 4 years.


2011 SUBARU Impreza 5-door manual / 2016 HONDA Pilot / 2011 MAZDA 2 auto
Re: Any benefit to galvanized brake pad backing plate [Re: Kestas] #5267249 11/14/19 03:11 PM
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Dave9 Offline
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Originally Posted by Kestas
Originally Posted by doitmyself
I believe that the quality of the plain steel can influence the amount of salt corrosion that occurs. Some mfg. might use high quality steel that endures salt corrosion better.

"Quality" of steel has nothing to do with corrosion resistance, unless you start talking about stainless steel. Corrosion resistance comes from the coatings, i.e., whether they be paint, galvanized, epoxy, or UV cure paint.


Shades of gray, you can vary the alloys with corresponding property changes in corrosion resistance and other properties while not necessarily reaching a %/ratio that qualifies as stainless. Granted if you cook up a boutique formulation it may cost as much to produce for the purpose as a more popular commodity steel.

Re: Any benefit to galvanized brake pad backing plate [Re: doitmyself] #5267292 11/14/19 04:06 PM
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GZRider Offline
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+1
You can lead a brake eating car to Akebono but you cannot make them buy um. Those backing plate on those OEM's looks more like the Akebono Street Performance pads (yellow and black box) then the standard Pro Act's, which is a good thing. They are great pads for the price.

Re: Any benefit to galvanized brake pad backing plate [Re: GZRider] #5267322 11/14/19 04:51 PM
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doitmyself Offline
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Originally Posted by GZRider
+1
You can lead a brake eating car to Akebono but you cannot make them buy um. Those backing plate on those OEM's looks more like the Akebono Street Performance pads (yellow and black box) then the standard Pro Act's, which is a good thing. They are great pads for the price.

Here's the Akebono ASP866 aftermarket pad vs. the OEM Akebono above. The ACT's look the same. The Critic has pointed out that OEM and Aftermarket Akebono are often different beasts.
[Linked Image from carid.com]

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