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Brake Lube Necessary? #5412584 04/25/20 08:38 AM
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willbur Offline OP
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Greetings-
I noticed Eric on the South Main Auto does not apply any brake lube to pad ears, but does on the undersides of the pad clips where they fit into the bracket. It makes sense to apply some lube to clip undersides to prevent rust from pushing clips up against the pads and causing binding.

He is a highly respected tech and knows what he is going. Does tons and tons of brake jobs. So...is lubing brake pad ears really necessary?

Re: Brake Lube Necessary? [Re: willbur] #5412587 04/25/20 08:47 AM
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JHZR2 Offline
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Did he explicitly say he does not, or could it be overlooked in the editing of the video?

Since each brake system is slightly different, could it be an aspect of this one?

If it’s a spot that is higher wash potential, I wonder if it’s moot because the lube eventually goes away?

Lubrication, even if temporary, seems prudent, but not excess in a spot like this, IMO.

Prior conversation on the topic is here:

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4427497/Applying_Grease_to_the_Ears_of

Re: Brake Lube Necessary? [Re: JHZR2] #5412593 04/25/20 08:54 AM
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Originally Posted by JHZR2
Did he explicitly say he does not, or could it be overlooked in the editing of the video?

Since each brake system is slightly different, could it be an aspect of this one?

If it’s a spot that is higher wash potential, I wonder if it’s moot because the lube eventually goes away?

Lubrication, even if temporary, seems prudent, but not excess in a spot like this, IMO.

Prior conversation on the topic is here:

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4427497/Applying_Grease_to_the_Ears_of


I watched his videos closely just for this. He did not say he does not use lube on the ears but several of his brake videos clearly show none is used. His shop is in the heart of the rust belt (upstate NY). Editing just to remove these relevant parts doesn't make sense. He shows everything from start to finish.

Re: Brake Lube Necessary? [Re: willbur] #5412596 04/25/20 09:02 AM
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Please go to the link I provided. It appears that even FSMs give different info based upon vehicle and brake design.

What does your FSM say?

Re: Brake Lube Necessary? [Re: willbur] #5412598 04/25/20 09:03 AM
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willbur, there is no correct, single answer. It is exactly like the conundrum surrounding use of antiseize on spark plug threads. Companies like NGK recommend not to use it. Some vehicle factory service manuals recommend it (The Critic recently posted Honda recommends a small amount).

After accepting this, it becomes a personal choice based on one's perceptions.

I choose to use a paper thin layer of Paste Lub*. In our salt laden winters, I want to slow down rust as much as possible, which a thin layer of Paste Lube assists with. The need for lubrication to assist sliding is probably minimal since the brackets are slippery stainless steel. Eventually the pad ear paint wears off and rust can start, thus my choice to lube the ears.

You will hear lots of arguments. The lube wears off fast, it collects dust, etc. If you watch 10 expert videos, you will see the "pros" doing it both ways. To each his own.

* Paste lube is a waterproof, tenacious long lasting moly lube similar (but different) to Molykote77. I have found that a paper thin layer keeps my rotor hats, hubs, other bare metal parts 100% rust free. A tub lasts many years.
https://goodson.com/collections/brake-lubes/products/bpl-2400-pastelub-brake-lubricant

Plenty of OEM's show to lube the ears. So, again like the spark plugs, choose to follow what you want. From a Honda site:
[Linked Image from static.oemdtc.com]

Re: Brake Lube Necessary? [Re: willbur] #5412605 04/25/20 09:11 AM
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I've watched many of Eric O's brake videos. And since he isn't too far from me, I've actually stopped in SMA to meet him & shake his hand on my way to PA. I've also spoken to him over the phone.

My daughter(in PA) doesn't live far from EricO's buddy, Ivan(Pine Hollow Auto Diagnostics). I haven't talked to Ivan yet.

IIRC, Eric doesn't like to add brake lube in that area due to the dirt/dust buildup in the pad ears & hardware slots that cause sticking & binding. However, I thought that I've seen him do it but I could be wrong.

I continue to put lube on the pad ears & hardware slots anywaaaay!

Last edited by Char Baby; 04/25/20 09:19 AM.

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Re: Brake Lube Necessary? [Re: willbur] #5412614 04/25/20 09:34 AM
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mk378 Online Content
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In a professional situation yes put grease everywhere, for it would be embarrassing for the customer to hear a little squeak on the first stop leaving the shop. On your own car it really doesn't matter.

Re: Brake Lube Necessary? [Re: willbur] #5412617 04/25/20 09:39 AM
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The advice that SMA gives on brake lube is specific to the rust belt area. He's mentioned the reason why he does not apply the lube to the contact surfaces of the pad ears to the hardware is that the lube applied there tends to collect sand, dirt, salt, rust, debris and become hard and useless. This problem might not occur in California.,


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Re: Brake Lube Necessary? [Re: willbur] #5412620 04/25/20 09:44 AM
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JeffKeryk Online Content
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I believe Eric feels since the hardware is stainless, rust is not an issue so lube is not necessary.
I will continue to lube contact surfaces.


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Re: Brake Lube Necessary? [Re: JeffKeryk] #5412754 04/25/20 11:33 AM
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Originally Posted by JeffKeryk
I believe Eric feels since the hardware is stainless, rust is not an issue so lube is not necessary.
I will continue to lube contact surfaces.

The pad ears are not stainless though. They are painted though so ideally, they won't rust. My son and I just changed the rotors and pads on his '12 Accord. I put lubricant between the hardware and the caliper bracket but not on the pad ears. We're in the rust belt like Eric O too.

Re: Brake Lube Necessary? [Re: JHZR2] #5412768 04/25/20 11:44 AM
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Originally Posted by JHZR2
It appears that even FSMs give different info based upon vehicle and brake design.

What does your FSM say?

This isn't a criticism of mechanics, but how many do you think consult the FSMs for each brake job (or memorize the procedure) based on different automakers and even brake design differences within an automaker's line-up ?

FWIW, the FMS for my '08 G35 (probably applies to many Nissan and Infiniti models) says to apply "copper based brake grease" to the hardware but it doesn't say which side (only one side (which ??) or both sides).

Correction ^^^ I was just looking at the schematic initially. The written instructions say "Apply Copper based brake grease to the pad retainers before installing it to the torque member if the pad retainers has been removed". I do interpret that to mean the side between the hardware and the bracket, not the side the pads sit in.

Re: Brake Lube Necessary? [Re: willbur] #5413580 04/26/20 11:28 AM
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Eric O from SMA does seem to change up his routine from time to time in regards to a brake job. Sorry if someone beat me to this, but I did catch him say he gets comments on why he doesn't butter up the pad ears and I believe he said he doesn't because doing so just attracts and holds onto dirt and grit which just speeds up the process of the pads getting stuck. In our rust belt climate, I agree with him on that. I live about 80 miles from SMA and have much the same roads and conditions.

Last edited by JTK; 04/26/20 11:29 AM.

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Re: Brake Lube Necessary? [Re: JTK] #5414522 04/27/20 11:10 AM
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Originally Posted by JTK
....he gets comments on why he doesn't butter up the pad ears....

Speaking of "comments", notice how his newer videos how he refers to commenters and his disdain for many of the self-proclaimed know-it-alls ? grin

Re: Brake Lube Necessary? [Re: hallstevenson] #5414718 04/27/20 02:31 PM
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Originally Posted by hallstevenson
Originally Posted by JTK
....he gets comments on why he doesn't butter up the pad ears....

Speaking of "comments", notice how his newer videos how he refers to commenters and his disdain for many of the self-proclaimed know-it-alls ? grin


He does seem to complain about those darn "youtubers" a lot, but yet puts out new youtube videos every week. Go figure. LOL!


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Re: Brake Lube Necessary? [Re: willbur] #5414784 04/27/20 03:51 PM
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I use CRC's Silaramic on the pad tabs. Leave a dry film lubricant and never have seen any buildup

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