Removing backing plate rust and repainting question - Toyota Nation Forum : Toyota Car and Truck Forums
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post #1 of 4 Old 06-18-2019, 05:02 PM Thread Starter
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Removing backing plate rust and repainting question

Will be replacing the rear brakes on my 1987 base pickup. The backing plates are rusty and almost all the paint has peeled off due to a long time brake fluid leak coming from the wheel cylinder. I have all the parts (Toyota shoes, Advics wheel cylinders, Raybestos drums, and Raybestos hardware/adjuster). Two questions:


1. What's the best way to remove the surface rust on the backing plates? I was going to just buy some 180 grit waterproof sandpaper, but don't know if that's the best grit or if some other method of rust removal is better.


2. I want to do a quick spray paint job on the backing plates after removing the surface rust. I'm not wanting to remove the backing plates, so I just want to do a simple job here. I just want to get a spray can from Lowe's or Home Depot and would like advice on what would be a good paint to get and also if it should be flat, or satin, or what kind of gloss ?


In my earlier thread about the axle noise I was hearing, I posted a very short video which does show the surface rust on the backing plate if that helps you to see what it looks like:



Thanks for any advice.

.



2004 Corolla LE 375K+ miles.
1987 Toyota Pickup base, 4spd 162K+ miles.
1996 Toyota Camry LE I4 (son's car) 230K+ kilometers.
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post #2 of 4 Old 06-18-2019, 05:34 PM
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Forget abrasion soak the plate in Evapo-Rust for 2-3 days it will come out pristine, zero rust. Then clean and paint if you use something like Rust Bullet it will be impervious to chemicals including brake fluid. BTW Evapo-Rust will remove loose paint, or sometimes all of it in my experience.
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post #3 of 4 Old 06-19-2019, 09:43 AM Thread Starter
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Thank you for responding. Since I don't want to remove the backing plate, I can't really soak it in Evapo-Rust. Won't it drip right off if I brush it on the vertical surface of the backing plate? What about the Evapo-Rust Gel, which claims to work on vertical surfaces? The E-R Gel claims it only needs two hours to work----don't know if that's really true. If it is, it must be some nasty stuff, but interestingly enough the product information claims it is harmless/non-caustic. Have you ever used E-R Gel before?

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2004 Corolla LE 375K+ miles.
1987 Toyota Pickup base, 4spd 162K+ miles.
1996 Toyota Camry LE I4 (son's car) 230K+ kilometers.
2010 Toyota Camry LE I4 (mother's car). 162K+ miles.



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post #4 of 4 Old 06-19-2019, 04:21 PM
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Get a stiff wire brush and go for it. Paint it with something like this. Done.
https://www.eastwood.com/eastwood-ru...SABEgJYRPD_BwE
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