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How to Prevent Peeling, Oxidizing Paint?

 
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  • 1 Post By rcktpwrd
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Old 24 Nov 2019, 05:54 pm
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Join Date: Apr 2013
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Default How to Prevent Peeling, Oxidizing Paint?

I'm about to buy a new 2002 PT. My old 2002 PT has super faded, peeling paint and the seller on the new PT swore up and down that his paint was perfect. Well, I went out and looked at it today and it's *almost* perfect, but I can see one spot where it's just starting to oxidize. What do I do to arrest this and keep it from going bad like my old PT? Do they make car sunscreen? I know I should keep it in the garage whenever possible, but a lot of time at work, I have to park outdoors.
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Old 25 Nov 2019, 07:55 am
rcktpwrd's Avatar
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Location: Raleigh, NC
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Default Re: How to Prevent Peeling, Oxidizing Paint?

regular waxing will help keep the paint from fading and failing. If there is a spot already going bad, not much can be done to reverse the damage.
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Old 25 Nov 2019, 09:47 am
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Default Re: How to Prevent Peeling, Oxidizing Paint?

If the oxidation is limited to the clear coat, as it usually is, and hasn't gone deep into the color finish, those small spots of oxidation might be improved by renewing the clear coat finish. It could possibly be a rattle can job if it's no too extensive. Try to blend it best you can. Of course a good buffing afterwards is in order.

SOOO BIG's right rear quarter had a parking lot scrape that was only as deep as the surface clear coat. That refinish was done similarly, involving some light wet sanding and a blended shot of clear coat. Not a rattle can job, but it still had to be buffed out to good as new.

SOOO BIG had three layers of clear coat applied during his complete repainting in 2014.
Even though parked out doors constantly in Florida, some of the most intense sun exposure in the nation, over five years later, SOOO BIGs finish hasn't oxidized at all.
I've never used wax, Just regular wash and rinse.
Good luck.
Happy PTin', ptprice



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Cool Vanilla White, 3 Coats. 2.4 DOHC 16V SMPI Eng. Vanity Cover, 4 Spd. Auto Trans. 2.6 Overall Top Gear, Lock-up Torque Converter. PT Chrome Clad 16" X 6" Wheels, P205/55 R16 Cooper Starfire/Solarus tires, Touring Suspension. Chrome Package; Side Spears, Grills, Fuel Filler Door, Door Locks, Handles, PRND3-1 Bezel, Silver/Chrome Shift Ball/Knob, Bright Spoke Leather Tilt Steering Wheel. Chrome Tail Lights, 3/8" Belt Trim. Cruise Control, Power Mirrors, A/C, Deep Tinted Sun Screen Glass, Power Moon Roof, Fog and Back-Up Lights, Rear Spoiler, Variable Front Wipers W/Washers, Rear Wiper/Washer, Key less Entry, Replacement 2001 Dark Taupe Grey Suede/Leather Trim Seats, Dual Under Seat Storage Drawers, Drivers Side Power Seat Height Adjust. Full Length Console, Locking Glove Box, Overhead Temperature/Compass Console, Rear Shelf Panel, AM/FM CD GPS Navigation Radio, 6 Premium Speakers, Back up Camera/ 7" Monitor.

Last edited by ptprice; 26 Nov 2019 at 02:16 pm.
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Old 06 May 2020, 12:08 am
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Default Re: How to Prevent Peeling, Oxidizing Paint?

Hey lads,

The factors that go into paint longevity are: Sun, Rain, Wind, Heat, Fallout and Other.

Sun and heat go hand in hand, and are arguably the most damaging, but the easiest to deal with. Not everyone has a garage or carport, but make sure you have reflective shades for your windows to protect the inside when parked. A dash mat is important too, because the heat is intensified through the glass. Wax the car well every 6 months or so and use a spray wax to touch it up when it stops beading water, so you know its doing its job.

Rain can be damaging too, as it is a form of mechanical abrasion. The advice is the same, keep it in a garage or carport if possible and make sure it is well waxed.

Wind is a doozy because it can cause sand and dirt to pepper your clearcoat, causing damage. If you don't get severe winds, this isn't an issue, but regular strong winds can abrade the surface over time. Try to park the car against a wall facing away from the direction the wind typically comes.

Fallout includes iron particles, dirt, brake dust and pollution. All of these can become lodged in the clearcoat and you will need a clay bar to remove them. Try to resist scrubbing imperfections while you routinely wash, as you can mar the finish. If your panels don't feel glassy to the touch after washing, you may need to clay bar them and then rewax. Be careful to use enough lubrication with your clay bar.

As for 'Other'? I guess, tree branches, bird droppings, insects in your grille. My observation is paint simply does not last on plastic as long as it does on metal, no matter how well it has been prepped. You can protect your bumpers from the drag and abrasion of highway driving with a clear bra or some kind of UV resistant film. Also protects headlights from yellowing and cracking. Add a layer of wax over the top. Rock chips from other cars will normally attack the front, so your plastic bumper needs the extra attention.

Clearcoating headlights will inevitably fail. I feel it is better to routinely polish them once a month than to clearcoat, as you are only removing microns and it will take a long time to damage your headlights this way. But to remove all the failed clearcoat from a headlight will require a lot of sanding. Leave chrome and unpainted plastics free of clearcoat, and opt for waxing, careful polishing when/if necessary and perhaps clear UV film.

You can add a thin layer of mesh to the inside of your grille to protect the radiator from bugs. Gently vacuum and brush off the radiator, without disturbing the fins.

Try to park in the shade of a tree, but not directly under it. This way sap and branches won't fall.

One last tip, the horizontal surfaces of your car will always be the most vulnerable. Pay attention to the roof and flat surfaces of bumpers, plus the hood.

As for car covers? I don't use one, I feel you're more likely to scratch the car using it all the time and a good quality one that fits is hard to find and expensive.

Remember to touch up any rock chips as soon as you see them, you don't have to be a professional. Use a toothpick to carefully dab a small amount in the chip to protect it from corrosion. Nobody will notice if you stop the corrosion. Any major flaws can be fixed later!
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Last edited by 917K; 06 May 2020 at 12:12 am.
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Old 06 May 2020, 08:50 am
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Default Re: How to Prevent Peeling, Oxidizing Paint?

Re: How to Prevent Peeling, Oxidizing Paint?
You can't.

Best way to slow it down beside regular washing and waxing is to invest in a CAR COVER
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Old 08 May 2020, 11:28 am
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Default Re: How to Prevent Peeling, Oxidizing Paint?

Where I live in the forest with no carport or garage, on my recently repainted '05, I bought a good quality car cover for it. Simple to use yet no more branches, pine needles, and sap. My '02 is still left unprotected until I get it painted, too. Current condition of paint does not warrant a cover on that one. I will get this one painted within this next year.
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