What You'll Learn
Aussie Conditions
Look, if you've spent any time on the tracks or even just parked under a gum tree, your paint is taking a beating. This guide is for anyone who wants to take their detailing beyond a quick wash and actually fix those scratches and swirl marks. I'll walk you through the gear, the technique, and the traps I've fallen into over the last 15 years so you don't have to.
Why We Bother Polishing (And Why It's Different Down Under)
The Gear You Actually Need
What You'll Need
The Prep: Don't Skimp Here
The Deep Clean
Wash the car thoroughly. I mean properly. Use a strip wash soap or chuck a bit of APC (All Purpose Cleaner) in your foam lance to get rid of any old waxes or sealants. Use the two-bucket method so you're not just dragging dirt around.
Chemical Decontamination
Spray the iron remover over the dry paint. Let it sit for 3-5 mins (don't let it dry!). It'll turn purple as it dissolves the brake dust and rail dust. Rinse it off thoroughly.
The Clay Stage
While the car is still wet, use your clay mitt with plenty of soapy water as lube. Run it over the paint until it feels smooth as glass. If it feels 'gritty' through your fingers, keep going. This step is vital because any grit left will get caught in your polishing pad and scratch the crap out of the paint.
Dry and Blow-out
Dry the car. Use a blower if you've got one to get water out of the mirrors and badges. Water dripping onto your pad while polishing is a pain in the bum, it makes the polish splatter everywhere.
Tape it Up
Mask off all the unpainted black plastics, rubber window seals, and any badges. It takes 20 minutes now but saves you two hours of scrubbing white residue off your trim later. (Trust me on this one).
While you're here...
The Correction: Step-by-Step Polishing
The Test Spot
Always start with a test spot on the bonnet or boot. Start with your least aggressive combo (finishing polish and a light pad). If that fixes the swirls, great! If not, move up to the compound. Every car's clear coat is different, some are hard like granite, some are soft like butter.
Priming the Pad
Put 4-5 pea-sized drops of compound on your fresh foam pad. Rub it into the surface of the pad with your finger to 'prime' it. This ensures the whole pad has abrasive on it and prevents 'dry buffing'.
Work in Small Sections
Don't try to do the whole door at once. Work in a 50cm x 50cm square. It's about the size of a large microfibre towel.
Spread the Polish
Dab the pad around your 50cm square, then start the machine on speed 1 to spread the polish out evenly.
The Working Passes
Turn the speed up to 4 or 5. Move the polisher in a slow, overlapping 'S' pattern. Go left to right, then up and down. You want to move about 2-3cm per second. Slow is fast here, mate.
Let the Machine Do the Work
Don't lean on the polisher like you're trying to crush a grape. Just the weight of your arms is usually enough. If you press too hard, the DA pad will stop spinning (stall) and you won't be doing anything but vibrating.
Monitor Your Heat
Touch the paint occasionally. It should be warm, not hot. If it's too hot to keep your hand on, stop and let it cool. High heat can delaminate clear coat, especially on plastic bumpers.
Wipe and Inspect
After 4-5 passes, turn off the machine. Use your IPA spray and a clean microfibre to wipe away the residue. Grab your inspection light and check the results. Are the scratches gone? If yes, move to the next section.
Clean Your Pad
Every section or two, use your brush to flick the dried polish out of the pad while the machine is spinning. This keeps the cut consistent.
The Refining Stage
Once the whole car is compounded, swap to your finishing pad and polish. Repeat the process on speed 3-4. This removes the 'haze' and brings out that deep clarity.
Check the Sun
If you can, pull the car out into the direct sun before you apply any wax. The sun is the ultimate truth-teller. It'll show you any spots you missed or any 'holidays' (missed patches).
Final Wipe Down
Do one last wipedown of the entire car with IPA to ensure the surface is completely bare and ready for protection.
Watch Out
Tricks of the Trade
Protecting the Work
For the Keen Beans: Advanced Techniques
My Go-To Kit (Recommendation)
Common Questions from the Shed
How often should I polish my car?
Can I remove deep scratches that I can feel with my nail?
Is a DA polisher really safe for beginners?
What's the difference between a wax and a polish?
Do I need to polish a brand new car?
Can I polish plastic headlights?
What if I get polish on my black plastic trim?
Is it okay to polish in the garage?
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