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Old 10-05-2009, 02:52 PM
 
25 posts, read 201,197 times
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Question about changing brake pads: what is the black grease packet for?

When I changed my pads, the new pads came with a small packet of grease but the instructions didn't state what to do with it. I checked every YouTube video I could find about changing pads and none of them make any mention about greasing anything either. The brakes seem to be working fine without it.
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Old 10-05-2009, 02:59 PM
 
Location: So. of Rosarito, Baja, Mexico
6,987 posts, read 21,937,047 times
Reputation: 7007
There is a backing plate that holds the shoes in place. As you depress the brake pedal the wheel cyl expands the shoes apart. The springs attached to the shoes return them back together when you back off on the brake pedal. There is a high point where the edge of the brake shoe rubs on the backing plate...this is where a drop or so of the grease should be applied. There would or should be evidence of a shiny point to show the rubbing. Hope this answers your question. It is not a serious breaker thing so don't have any heart attack if no grease is applied.

Steve
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Old 10-05-2009, 03:00 PM
 
Location: Eastern Washington
17,218 posts, read 57,105,963 times
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Probably it's for lubrication of the 2 main bolts that the caliper rides on.

On many cars it's not difficult to take the pins/bolts out one at a time and grease (lightly, don't get it on the pads) and re-insert, re-torque.
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Old 10-05-2009, 03:18 PM
 
6,367 posts, read 16,879,478 times
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Quote:
Originally Posted by Steve Bagu View Post
There is a backing plate that holds the shoes in place. As you depress the brake pedal the wheel cyl expands the shoes apart. The springs attached to the shoes return them back together when you back off on the brake pedal. There is a high point where the edge of the brake shoe rubs on the backing plate...this is where a drop or so of the grease should be applied. There would or should be evidence of a shiny point to show the rubbing. Hope this answers your question. It is not a serious breaker thing so don't have any heart attack if no grease is applied.

Steve
You do need some stronger coffee... he was asking about pads not shoes Been there, done that. (just messin' with ya)
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Old 10-05-2009, 03:24 PM
 
6,367 posts, read 16,879,478 times
Reputation: 5935
Quote:
Originally Posted by M3 Mitch View Post
Probably it's for lubrication of the 2 main bolts that the caliper rides on.

On many cars it's not difficult to take the pins/bolts out one at a time and grease (lightly, don't get it on the pads) and re-insert, re-torque.
And to lube any surface the pad moves on, after the surface has been cleaned.

Also put a light coat on the back side of the pad anywhere it contacts the caliper.
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Old 10-05-2009, 03:40 PM
 
Location: Michigan--good on the rocks
2,544 posts, read 4,285,096 times
Reputation: 1958
^ What they said. If you don't use it the pads will likely squeal and may wear unevenly.
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Old 10-05-2009, 03:51 PM
 
Location: Visitation between Wal-Mart & Home Depot
8,309 posts, read 38,789,849 times
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I'm certain that this is unecessary, but do not put the grease on the actual breaking surface.
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Old 10-05-2009, 10:26 PM
 
Location: So. of Rosarito, Baja, Mexico
6,987 posts, read 21,937,047 times
Reputation: 7007
NO sweat guys...I'm from the old school and have been retired since "96". Had a VW engine rebuilding shop and auto parts store and those days people still had shoes and a few disc brake pads.

Would always ask the yr of the car as some did ask for shoes and meant pads and visa versa.

My dad was a mechanic from the old days before disc brakes and he and I would go back and forth on the newer terminology used so guess I get the the same mindset today...I forget this is 2009.

Recall him turning many drums at his garage...used the shavings around the base of my rose bushes for a deeper color rose...shavings put rust back into the soil like plant food.

No harm in a little burn once and a while...I need it to clean out the cob webs.

As to the bolts holding the caliper I would just dip them into some solvent instead of using any grease...did not want any visual grease to collect the brake dust or road dirt.

We all had our different ways for a end result...makes the world go around.

Steve
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Old 10-08-2009, 02:13 PM
 
25 posts, read 201,197 times
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Thanks everyone for the detailed replies!
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Old 10-08-2009, 05:05 PM
 
Location: Columbia, California
6,664 posts, read 30,624,858 times
Reputation: 5184
Remember back when they arced the shoes to fit the drums. Haven't seen that since the end of the 70's.
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