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Painting rotors #4491522
08/17/17 11:03 PM
08/17/17 11:03 PM
Joined: Jun 2009
Posts: 1,826
Wisconsin
wallyuwl Offline OP
wallyuwl  Offline OP
Joined: Jun 2009
Posts: 1,826
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?

Suggestions?

Re: Painting rotors [Re: wallyuwl] #4491523
08/17/17 11:07 PM
08/17/17 11:07 PM
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
Reddy45 Offline
Reddy45  Offline
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
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...

Re: Painting rotors [Re: wallyuwl] #4491524
08/17/17 11:07 PM
08/17/17 11:07 PM
Joined: Mar 2014
Posts: 3,477
NJ
Leo99 Offline
Leo99  Offline
Joined: Mar 2014
Posts: 3,477
NJ
Leave it alone.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles (RIP)
2004 Corolla 125,000 miles
2004 Rav4 370,000 miles
2015 Camry 70,000 miles
Re: Painting rotors [Re: wallyuwl] #4491560
08/18/17 02:12 AM
08/18/17 02:12 AM
Joined: May 2005
Posts: 10,554
ROCHESTER, NY
Char Baby Offline
Char Baby  Offline
Joined: May 2005
Posts: 10,554
ROCHESTER, NY
Try a caliper paint. I used BBQ paint but, it doesn't seem to hold up to spraying brake cleaner. Washes right off.


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX
Re: Painting rotors [Re: wallyuwl] #4491565
08/18/17 02:49 AM
08/18/17 02:49 AM
Joined: Apr 2016
Posts: 782
Specific Ocean
Kibitoshin Offline
Kibitoshin  Offline
Joined: Apr 2016
Posts: 782
Specific Ocean
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.

Last edited by Kibitoshin; 08/18/17 02:51 AM.

Shin Gekiretsu Shin'ou'hou
01 Toyota Tundra 2WD V8 4.7L
02 Chevy Silverado C1500 V8 5.3L
Re: Painting rotors [Re: Leo99] #4491584
08/18/17 04:42 AM
08/18/17 04:42 AM
Joined: Mar 2004
Posts: 21,115
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,115
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)
Re: Painting rotors [Re: Char Baby] #4491604
08/18/17 05:29 AM
08/18/17 05:29 AM
Joined: Aug 2013
Posts: 2,657
Central Maryland
HangFire Offline
HangFire  Offline
Joined: Aug 2013
Posts: 2,657
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: http://hangfire.net
Re: Painting rotors [Re: wallyuwl] #4491616
08/18/17 05:48 AM
08/18/17 05:48 AM
Joined: Dec 2006
Posts: 8,028
Canuck living in California
KrisZ Offline
KrisZ  Offline
Joined: Dec 2006
Posts: 8,028
Canuck living in California
+1 on Rustoleum enamel or caliper paint. As mentioned, these will stand up to brake cleaners.


2015 Dodge Grand Caravan-27k miles.
2006 Mazda 3-163k miles
Re: Painting rotors [Re: wallyuwl] #4491619
08/18/17 05:51 AM
08/18/17 05:51 AM
Joined: Feb 2013
Posts: 3,340
Central Virginia
Silverado12 Offline
Silverado12  Offline
Joined: Feb 2013
Posts: 3,340
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
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
Re: Painting rotors [Re: wallyuwl] #4491628
08/18/17 06:15 AM
08/18/17 06:15 AM
Joined: Jun 2017
Posts: 220
NY
DdDd Offline
DdDd  Offline
Joined: Jun 2017
Posts: 220
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?

Re: Painting rotors [Re: wallyuwl] #4491638
08/18/17 06:25 AM
08/18/17 06:25 AM
Joined: Dec 2013
Posts: 2,098
socal
barkingspider Offline
barkingspider  Offline
Joined: Dec 2013
Posts: 2,098
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)
Re: Painting rotors [Re: wallyuwl] #4491663
08/18/17 06:57 AM
08/18/17 06:57 AM
Joined: Feb 2007
Posts: 3,700
Southeast
meep Offline
meep  Offline
Joined: Feb 2007
Posts: 3,700
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.

-m


2018 F150
2015 crv (wifey!)
Re: Painting rotors [Re: wallyuwl] #4491768
08/18/17 08:45 AM
08/18/17 08:45 AM
Joined: Oct 2015
Posts: 476
MN
WillsYoda Offline
WillsYoda  Offline
Joined: Oct 2015
Posts: 476
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.

Re: Painting rotors [Re: wallyuwl] #4491815
08/18/17 09:32 AM
08/18/17 09:32 AM
Joined: Jun 2009
Posts: 1,826
Wisconsin
wallyuwl Offline OP
wallyuwl  Offline OP
Joined: Jun 2009
Posts: 1,826
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.

Re: Painting rotors [Re: wallyuwl] #4491823
08/18/17 09:46 AM
08/18/17 09:46 AM
Joined: Oct 2015
Posts: 476
MN
WillsYoda Offline
WillsYoda  Offline
Joined: Oct 2015
Posts: 476
MN
Painting over rust usually fails quickly, even if you sand the heck out of it.

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