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#4491522 - 08/18/17 12:03 AM Painting rotors
wallyuwl Offline

Registered: 06/02/09
Posts: 1777
Loc: Wisconsin
On my "new to me" vehicle it has rotors that are not powder coated and they are already starting to rust (they were new just prior to use buying it, so about a month old).

So I want to paint the hub part of the rotors. But what paint to use?

I want something I can brush on because I don't want to tape everything off or remove the rotors. I could spray paint into a cup and then brush it on - I did that before with calipers. I want something that dries quickly.

Do I need to use a high heat paint? Would paint designed for BBQ grills work?


#4491523 - 08/18/17 12:07 AM Re: Painting rotors [Re: wallyuwl]
Reddy45 Online   shocked

Registered: 08/15/08
Posts: 2973
Loc: USA
Yup BBQ grill paint will work, as will any other hi-temp paint you can find in the auto parts store.

I'd recommend multiple coats unless you like repainting...

#4491524 - 08/18/17 12:07 AM Re: Painting rotors [Re: wallyuwl]
Leo99 Offline

Registered: 03/30/14
Posts: 3052
Loc: NJ
Leave it alone.
Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
2015 Camry 59,000 miles

#4491560 - 08/18/17 03:12 AM Re: Painting rotors [Re: wallyuwl]
Char Baby Offline

Registered: 05/25/05
Posts: 10028
Try a caliper paint. I used BBQ paint but, it doesn't seem to hold up to spraying brake cleaner. Washes right off.
'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'06 Mazda 3i 2.0L
'15 Nissan Altima 2.5 SV

#4491565 - 08/18/17 03:49 AM Re: Painting rotors [Re: wallyuwl]
Kibitoshin Online   content

Registered: 04/19/16
Posts: 698
Loc: Kaiōshinkai
Rustoleum's High Perf Enamel spray paint or quart cans works for me. Clean surfaces and apply directly no primer needed.

And next time spend a bit more for coated rotors. I'm surprised how much of the brake rotor can be seen through OEM aluminum wheels.

Edited by Kibitoshin (08/18/17 03:51 AM)
Shin Gekiretsu Shin'ou'hou
01 Toyota Tundra 2WD V8 4.7L - 170k mi
02 Chevy Silverado C1500 V8 5.3L 154k mi

#4491584 - 08/18/17 05:42 AM Re: Painting rotors [Re: Leo99]
Donald Offline

Registered: 03/21/04
Posts: 20469
Loc: Upstate NY
Originally Posted By: Leo99
Leave it alone.

Get the fluids/belts/hoses taken care of. Use coated rotors for your next brake job.
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)

#4491604 - 08/18/17 06:29 AM Re: Painting rotors [Re: Char Baby]
HangFire Offline

Registered: 08/21/13
Posts: 2506
Loc: Central Maryland
Originally Posted By: Char Baby
Try a caliper paint. I used BBQ paint but, it doesn't seem to hold up to spraying brake cleaner. Washes right off.

Same here, even though it had a day to cure.
Various musings:

#4491616 - 08/18/17 06:48 AM Re: Painting rotors [Re: wallyuwl]
KrisZ Offline

Registered: 12/23/06
Posts: 7475
Loc: Toronto, Canada
+1 on Rustoleum enamel or caliper paint. As mentioned, these will stand up to brake cleaners.
2015 Dodge Grand Caravan-21k miles.
2006 Mazda 3-155k miles

#4491619 - 08/18/17 06:51 AM Re: Painting rotors [Re: wallyuwl]
Silverado12 Offline

Registered: 02/26/13
Posts: 3117
Loc: Central Virginia
I used gloss black enamel automotive paint for the rotor "hats" on the 2010 Mustang. That was about a year ado and still looks good.
12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
16 Challenger R/T Shaker 5.7 manual B5 blue
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto

#4491628 - 08/18/17 07:15 AM Re: Painting rotors [Re: wallyuwl]
DdDd Offline

Registered: 06/08/17
Posts: 189
Loc: NY
Decent coated rotors will set you back less than your time spent painting and prepping.

If you don't do a thorough job the paint will flake off anyways and you might get wobble issues from the coating on the rotor face.

Cheap rotors that rust so quickly are going to be crepe anyways. Why polish a turde?

#4491638 - 08/18/17 07:25 AM Re: Painting rotors [Re: wallyuwl]
barkingspider Offline

Registered: 12/22/13
Posts: 2050
Loc: socal
Yeah, I wouldn't worry about it leave it alone, too. If u must, I recommend high heat engine or header paint
06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)

#4491663 - 08/18/17 07:57 AM Re: Painting rotors [Re: wallyuwl]
meep Offline

Registered: 02/20/07
Posts: 3557
Loc: Southeast
I had some black auto lacquer in the garage. lacquer tends to be thinner than enamel. I lightly sanded then cleaned a nearly-new set and hit the centers and they haven't had any paint-heat issues yet. Didn't give it much thought, just 2 very light coats and put it all together.

2018 F150
2015 crv (wifey!)
2009 s60 2.5T

#4491768 - 08/18/17 09:45 AM Re: Painting rotors [Re: wallyuwl]
WillsYoda Offline

Registered: 10/17/15
Posts: 471
Loc: MN
Not worth it to paint. Just use them a few more years, and when they go bad (which should be years from now) just replace with pre-coated rotors like Centric 125s. I used the cheap uncoated rotors in rust country and they last many years with a little rust on the edges.

#4491815 - 08/18/17 10:32 AM Re: Painting rotors [Re: wallyuwl]
wallyuwl Offline

Registered: 06/02/09
Posts: 1777
Loc: Wisconsin
The rotors were put on prior to me buying the vehicle. I will use the enamel, only an hour job not including dry time.

#4491823 - 08/18/17 10:46 AM Re: Painting rotors [Re: wallyuwl]
WillsYoda Offline

Registered: 10/17/15
Posts: 471
Loc: MN
Painting over rust usually fails quickly, even if you sand the heck out of it.

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