Caliper paint spreading
#1
Caliper paint spreading
Hi All -
Over a month ago, I painted my calipers gold colour, let it dry, all that jazz but its still spreading all over my rotors in 2 places ( in the picture the black arrow is whats constantly yellow now, which should be silver..annoying because I cant remove it now unless i dig deep and clean it with rubbing alcohol) and the red arrow is the result when I dont drive ( once i drive it goes away) but still... why is the paint still spreading? its been over a month.
I bough the Canadian tire caliper paint VHT that was recommended..
Any thoughts?
Over a month ago, I painted my calipers gold colour, let it dry, all that jazz but its still spreading all over my rotors in 2 places ( in the picture the black arrow is whats constantly yellow now, which should be silver..annoying because I cant remove it now unless i dig deep and clean it with rubbing alcohol) and the red arrow is the result when I dont drive ( once i drive it goes away) but still... why is the paint still spreading? its been over a month.
I bough the Canadian tire caliper paint VHT that was recommended..
Any thoughts?
Last edited by itshere; 11-26-2018 at 12:34 PM. Reason: Adding Picture
#3
Super Moderator
iTrader: (3)
I cant tell from the pictures with all that water on the rotor in the pictures, but it just looks like rust, which is normal to build up after not driving the car for a while (even a day or few hours depending on the carbon content of the rotors and any coating).
If there is paint actually coming off the caliper, its most likely because you didn't prep the surface properly or you didn't cure the paint properly (high heat paint usually need to be cured by applying high heat) or both
If its just heat curing you can try to drive the car in a way to get the brakes hot enough like when you bed in brake pads...otherwise you need to clean and sand/rough up the calipers and repaint...
If there is paint actually coming off the caliper, its most likely because you didn't prep the surface properly or you didn't cure the paint properly (high heat paint usually need to be cured by applying high heat) or both
If its just heat curing you can try to drive the car in a way to get the brakes hot enough like when you bed in brake pads...otherwise you need to clean and sand/rough up the calipers and repaint...
The following users liked this post:
JohnnysG (11-27-2018)
#4
Registered Member
iTrader: (3)
I agree with Hashim. It looks like normal surface rust which is very common after a car has not been driven for a period of time. The part of the rotor marked with the black arrow shows where the pad DOES NOT come into contact with the rotor, hence why it never gets scraped "silver." (Which is why I painted my rotor hats).
#6
I cant tell from the pictures with all that water on the rotor in the pictures, but it just looks like rust, which is normal to build up after not driving the car for a while (even a day or few hours depending on the carbon content of the rotors and any coating).
If there is paint actually coming off the caliper, its most likely because you didn't prep the surface properly or you didn't cure the paint properly (high heat paint usually need to be cured by applying high heat) or both
If its just heat curing you can try to drive the car in a way to get the brakes hot enough like when you bed in brake pads...otherwise you need to clean and sand/rough up the calipers and repaint...
If there is paint actually coming off the caliper, its most likely because you didn't prep the surface properly or you didn't cure the paint properly (high heat paint usually need to be cured by applying high heat) or both
If its just heat curing you can try to drive the car in a way to get the brakes hot enough like when you bed in brake pads...otherwise you need to clean and sand/rough up the calipers and repaint...
#7
Super Moderator
iTrader: (3)
Rotors can rust a day after you install them, as was mentioned it depends on the rotors carbon content and any coatings....ones with no coating (which yours look they aren't coated) will usually rust within a week or two of installation (even faster if it rains) which is why others (i.e. ILM-NC G37S above) mentioned painting the hats before installing them.
Do you have better pictures, as I said above its hard to see any detail in those pictures because of the water all over them.
Do you have better pictures, as I said above its hard to see any detail in those pictures because of the water all over them.
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#8
Rotors can rust a day after you install them, as was mentioned it depends on the rotors carbon content and any coatings....ones with no coating (which yours look they aren't coated) will usually rust within a week or two of installation (even faster if it rains) which is why others (i.e. ILM-NC G37S above) mentioned painting the hats before installing them.
Do you have better pictures, as I said above its hard to see any detail in those pictures because of the water all over them.
Do you have better pictures, as I said above its hard to see any detail in those pictures because of the water all over them.
#10
Registered Member
iTrader: (14)
I cant tell from the pictures with all that water on the rotor in the pictures, but it just looks like rust, which is normal to build up after not driving the car for a while (even a day or few hours depending on the carbon content of the rotors and any coating).
If there is paint actually coming off the caliper, its most likely because you didn't prep the surface properly or you didn't cure the paint properly (high heat paint usually need to be cured by applying high heat) or both
If its just heat curing you can try to drive the car in a way to get the brakes hot enough like when you bed in brake pads...otherwise you need to clean and sand/rough up the calipers and repaint...
If there is paint actually coming off the caliper, its most likely because you didn't prep the surface properly or you didn't cure the paint properly (high heat paint usually need to be cured by applying high heat) or both
If its just heat curing you can try to drive the car in a way to get the brakes hot enough like when you bed in brake pads...otherwise you need to clean and sand/rough up the calipers and repaint...
#11
Registered Member
It is not paint. My car has been sitting for a mere 6 hours and my rotors look identical to yours. My calipers are black.
You could simply wipe off the rust with a wet cloth, you don't even need alcohol.
You could simply wipe off the rust with a wet cloth, you don't even need alcohol.
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