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Keeping the Rig Mint: Your Monthly Deep Clean Checklist

Most car owners make this harder than it needs to be. Here's the straightforward approach that actually works—no fluff, no upselling.

Summer's been a bruiser and now we're heading into Autumn with dust, salt, and bat bombs everywhere. Here is how to give your car a proper reset to protect the paint and keep it looking brand new.

MT
Mick Thompson Senior Detailing Editor
| Updated: 3 March 2026
Keeping the Rig Mint: Your Monthly Deep Clean Checklist

Aussie Conditions

Australian conditions are tougher than most—intense UV, red dust, coastal salt, and 40°C summers. European car care advice often doesn't cut it here.
Quick Summary

Look, we all lead busy lives, and sometimes the Saturday wash is just a quick spray at the local bay. But once a month, you've gotta give the car some proper love to stop the Australian elements from eating your clear coat for breakfast. Whether you're dealing with coastal salt, red desert dust, or those nasty bat droppings, this guide is about the deep stuff. I'm talking about the bits you usually miss.

01

Why a Monthly Reset Matters

Right, so we've just suffered through another cracking Aussie summer. If you're like me, your car has probably spent the last few months fighting off 40 degree heat, coastal salt spray, and those massive cicadas that leave a mess on the windscreen. After 15 years in the detailing game, I've seen what happens when you let this stuff sit. I had a customer bring in a black Commodore last year that had spent three weeks under a gum tree in Queensland. The sap and bat droppings had literally etched through the clear coat. It cost him a fortune in paint correction. Honestly, a simple monthly deep clean would've saved him the heartache. This isn't just about making it look pretty for the Sunday drive; it's about preserving your resale value and making sure the Aussie sun doesn't turn your roof into a peeling mess.
02

The Gear You'll Need

What You'll Need

0/9
Two 15L Buckets with Grit Guards — Essential for the two-bucket method. Don't skip the grit guards, they're cheap insurance.
Kerrick or Gerni Pressure Washer — Or any decent one. A garden hose is alright, but you really want that pressure for the wheel arches.
Quality Snow Foam Cannon — I'm a big fan of the Bowden's Own Snow Blow. It actually clings and lifts the grit.
Microfibre Wash Mitt — Throw those old sponges in the bin. They just swirl the paint.
Iron Decontamination Spray — Something like Gtechniq W6 or CarPro IronX. Smells like rotten eggs but works wonders.
Soft Detailing Brushes — For the badges, fuel cap, and window seals.
Large Microfibre Drying Towel — The 'Big Green Sucker' is a classic for a reason. Absorbs everything.
Dedicated Wheel Cleaner — Acid-free is better for most modern rims.
Paint Sealant or Spray Wax — Meguiar's Hybrid Ceramic is great for a quick, durable shine.
03

Preparation is Key

Tap each step to mark complete
01

Find some shade

Never, ever wash your car in direct sunlight. If you're in a spot like Perth or Brissie, wait until the late arvo or do it under a carport. If the panels are hot to the touch, you'll just get water spots and dried soap streaks.

02

Wheel and Tyre Pre-soak

Spray your wheel cleaner on cool rims while they're dry. Let it sit for 2-3 minutes to eat the brake dust. If you've got those fancy European pads, you'll see it turn purple almost instantly.

03

The Door Jambs

Open your doors and give the sills a quick wipe with a damp rag. It's the most forgotten part of any wash, but it makes a massive difference when you get in and out.

04

The Deep Clean Process

Tap each step to mark complete
01

The Wheels First

I always do wheels first. Why? Because if you wash the car then do the wheels, you'll spray dirty brake dust back onto your clean paint. Use a dedicated brush to get into the barrels and around the lug nuts.

02

Pressure Rinse

Give the whole car a good blast. Focus on the wheel arches and the underbody, especially if you've been near the beach. We want to get rid of the loose grit before we touch the paint.

03

Snow Foam Party

Cover the car in a thick layer of foam. Let it dwell for about 5 minutes. This is where the magic happens, the foam encapsulates the dirt and drags it off. While it's dwelling, I usually grab a detailing brush and go around the badges and window trims.

04

Rinse and Decontaminate

Rinse the foam off. Now, spray your iron remover on the lower half of the car. If you're in an industrial area or near a train line, you'll be shocked at how much purple runs off. This removes tiny metallic shards that get embedded in your paint.

05

The Two-Bucket Wash

One bucket with soapy water, one with clean water. Dip the mitt in soap, wash a panel, rinse it in the clean water bucket to get the grit off, then repeat. Start from the top and work down.

06

Fuel Door and Exhaust

Don't forget to open the fuel flap. It's usually a mess of dried petrol and dust. Use a bit of APC (All Purpose Cleaner) and a brush. Same goes for the exhaust tips, a bit of metal polish if they're chrome.

07

Final Rinse

Flood the panels with a low-pressure stream of water. If you've got a bit of wax on there, the water should just sheet right off, leaving less for you to dry.

08

Drying

Use your big drying towel. Don't scrub; just lay it across the panel and pat it or pull it slowly. For the mirrors and cracks, if you've got a leaf blower, give it a crack. It saves those annoying drips later on.

09

Glass and Seals

Clean the glass inside and out. I reckon a waffle-weave towel is best for this. Also, give your wiper blades a wipe with a damp cloth, you'll be amazed how much black gunk comes off them.

10

Protection Layer

Since this is a deep clean, you need to put some protection back on. Apply a spray sealant or a good wax. It'll make your weekly washes much easier for the next month.

Pro Tip: The Bat Bomb Protocol

If you find a hard, dried-on bird or bat dropping, don't scrub it. You'll scratch the paint. Get a piece of paper towel, soak it in warm soapy water (or a quick detailer), and lay it over the 'bomb' for 5 minutes. It'll soften up and you can just wipe it away. No dramas.

Watch Out

I still see blokes using Morning Fresh on their cars. Please, don't. It's designed to strip grease off pans, which means it strips every bit of wax and protection off your paint. It also dries out your rubber seals. Spend the 20 bucks on a proper car wash soap.

Dealing with Red Dust

If you've just come back from a trip out West and the car is covered in that fine red dust, do not touch it with a mitt first. Give it a double snow foam and a very long rinse. That dust is basically sandpaper. I learned that the hard way on a black Hilux, took me two days of machine polishing to fix the mess I made.
05

Keeping it Up

Once you've done this deep clean, the next three weeks should be a breeze. All you'll need is a quick 'maintenance wash', a 15-minute spray and wipe. The sealant you put on will stop the dirt from bonding. I usually keep a bottle of 'Quick Detailer' and a clean microfibre in the boot. If I see a bird has paid me a visit while I'm at the shops, I can deal with it right then and there. (Your partner might think you're obsessed, but they won't be complaining when it comes time to trade the car in for a better price.)
06

Common Questions

How often should I really do this?
Once a month is the sweet spot for most Aussies. If you're parking on the street or near the ocean, you might want to do the 'deep' bits every three weeks.
Is snow foam really necessary?
Look, you can live without it, but it makes the job so much safer for your paint. It's the best way to get the grit off without scratching. Plus, it looks cool and the kids love it.
What's the best way to clean the interior during this deep clean?
I focus on the vacuuming and wiping down the UV-prone areas like the dash and top of the door cards. Use a dedicated interior protectant with UV blockers, the Aussie sun will crack a dash faster than you think.
Should I clay bar the car every month?
Nah, definitely not. Claying is abrasive. Usually, you'd only do that once or twice a year before a major polish. The iron remover spray handles most of what the clay would've picked up anyway.

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