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Keeping Your Snorkel and Roof Rack From Looking Like a Sun-Baked Mess (Mar 2026)

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

Getting the red dust out of your snorkel and the salt spray off your rack isn't just about looks. It's about stopping corrosion and UV damage before they ruin your gear.

B"W
Barry "Bazza" Williams Product Reviewer
| Updated: 19 March 2026
What You'll Learn
Keeping Your Snorkel and Roof Rack From Looking Like a Sun-Baked Mess (Mar 2026)

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, most blokes forget about the gear on top of their rig until it starts fading or whistling. This guide covers everything from deep-cleaning textured snorkel plastics to getting that stubborn outback dust out of your T-slots. Whether you're dealing with coastal salt or sticky gum tree sap, I'll show you how to keep your kit looking brand new.

01

Why Your Roof Gear is Copping a Beating

Look, I've been detailing in this country for over 15 years, and if there's one thing I've noticed, it's that snorkels and roof racks are the most neglected parts of any 4x4. We spend thousands on the kit, then let the Australian sun cook it until it turns that nasty chalky grey. I learned this the hard way years ago with my first Safari snorkel on a black Commodore ute I'd converted for bush bashin'. I didn't treat the plastic, and within two summers in the WA heat, it looked like it had been pulled out of a shipwreck. Thing is, your roof rack and snorkel are right in the firing line. They get the worst of the UV radiation, they're the first thing to hit the low-hanging branches (and the spiders that live in them), and if you've been anywhere near the coast, they're caked in salt spray that sits in those hard-to-reach hardware channels. If you've just come back from a trip up the Cape or across the Nullarbor, that red dust isn't just dirt, it's abrasive as all get out and it loves to stained textured plastics. In this guide, I'm going to walk you through how I handle these jobs in my own shop. We aren't just talking a quick splash with a hose at the servo. I'm talking about a proper deep clean and protection routine that'll actually stop your gear from turning brittle and snapping when you least expect it. It's Autumn now, so the sun is still biting but the rain is starting to kick up, it's the perfect time to get that salt and dust off before the winter damp sets in and starts the corrosion process on your rack's mounting bolts.
02

The Detailer's Kit for Racks and Snorkels

What You'll Need

0/14
Pressure Washer — Ideally something with a 40-degree nozzle so you don't blast the seals out of your snorkel.
Soft Bristle Detailing Brushes — I reckon the Boar's Hair ones from Bowden's Own are the go for getting into rack T-slots.
Stiff Tire or Fender Brush — Only for the textured plastic of the snorkel, never the paintwork.
APC (All Purpose Cleaner) — Something like Koch Chemie Green Star or Meguiar's APC. Dilute it 1:10.
Iron Remover — Crucial if you've been near railways or heavy industrial areas. CarPro IronX is my go-to.
Non-Acidic Wheel Cleaner — Actually works wonders on baked-on red dust on powder-coated racks.
Microfiber Wash Mitt — Keep a separate one for the roof, you don't want roof grit scratching your doors.
Plastic Restorer/Protectant — Solution Finish is the only thing I trust for faded snorkels. It's a dye, not a greasy dressing.
Ceramic Spray Sealant — Gtechniq C2V3 or similar for the rack. Makes the next wash 10x easier.
Step Ladder — Don't be a hero. Standing on your tires is a great way to slip and dent your guard.
Aerostart or WD40 — Specifically for cleaning out old grease in rack locks and moving parts.
Vacuum with Brush Attachment — For getting the dead bees and leaves out of the snorkel head.
Compressed Air or Leaf Blower — To blow water out of the rack channels so it doesn't drip for three days.
Clay Bar or Clay Mitt — Sometimes the rack gets overspray or sap that needs mechanical removal.
03

Setting Yourself Up for Success

Tap each step to mark complete
01

Cool Down

Never wash a roof rack that's been sitting in the 40-degree sun. The chemicals will dry instantly and leave spots. Park it in the shade or do it first thing in the morning.

02

Remove the Accessories

If you've got traction boards, shovel holders, or awnings attached, take 'em off if you can. The gunk hides behind the brackets.

03

Check the Snorkel Head

Loosen the worm drive clamp and pop the ram head off. You'll likely find a graveyard of locusts and leaves in there.

04

Pre-Rinse

Hit everything with plain water first to move the loose grit. Start from the top down. Obvious, I know, but you'd be surprised how many people start with the wheels.

05

Tape Off (Optional)

If you're using a heavy-duty restorer on the snorkel, tape off the paintwork around the pillar so you don't get black dye on your Duco.

06

Safety First

Ensure your ladder is on level ground. I've seen a mate go flying because he tried to reach the middle of a Titan tray from a dodgy stool.

While you're here...

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The Red Dust Secret

If you've got that stubborn outback red dust that just won't budge, try a 1:5 dilution of a high-quality APC and let it dwell for 4 minutes (don't let it dry!). The surfactants need time to break the static bond that red dust has with powder-coating.
04

The Deep Clean Process

Tap each step to mark complete
01

The Snorkel Head Gutting

Take that ram head you removed earlier and dunk it in a bucket of soapy water. Use a brush to scrub inside the grill where the bugs are baked on.

02

Foam Cannon Blast

Cover the whole rack and snorkel in a thick layer of snow foam. This helps lubricate the dirt so it slides off without scratching the powder-coat.

03

Cleaning the T-Slots

While the foam is dwelling, use your detailing brush to run through every single channel in the roof rack. This is where salt loves to hide.

04

Agitating the Snorkel

Use your APC and the stiff brush on the snorkel body. Scrub in circular motions. Snorkels usually have a 'pebbled' texture that traps dirt deep down.

05

Rinse Thoroughly

Pressure wash everything. Be careful around the snorkel intake hole, don't spray directly down into the airbox (obviously).

06

Decontamination

Spray your iron remover on the rack. If it turns purple, that's the metal particles from the road (or your brake pads) dissolving.

07

The 'Two Bucket' Wash

Now do a proper hand wash of the rack and snorkel. This picks up the film that the pressure washer missed.

08

Check the Drainage

Most snorkels have a little weep hole at the bottom. Make sure it's not plugged with mud, otherwise, the next rainstorm will fill your airbox with water.

09

Drying

Use a leaf blower to get the water out of the rack's bolt holes and channels. If you don't, you'll get 'weeping' where dirty water runs down your clean windows later.

10

Snorkel Restoration

If the snorkel is grey/faded, apply a pea-sized amount of Solution Finish to an applicator and work it into the plastic. Wipe off the excess after 60 seconds.

11

Rack Protection

Apply your ceramic spray or sealant to the rack. I like to use a microfiber pad so I can get into the corners of the mounting feet.

12

Hardware Check

While you're up there, grab a spanner and check the tension on your rack bolts. The vibration from Aussie corrugated roads loosens them over time.

13

Lubricate Locks

If your rack has locking legs, give them a tiny squirt of dry graphite lubricant so they don't seize up from salt air.

14

Glass Cleanup

Clean the roof glass or sunroof that's been hidden under the rack. Use a dedicated glass cleaner and a fresh towel.

15

Reinstall Accessories

Chuck your awnings and boards back on. Make sure the brackets are clean too, otherwise you're just putting dirt back on a clean car.

Watch Out

When washing near the snorkel intake, always ensure the head is either on or the opening is covered. I once saw a customer ruin a Hilux engine because he pointed a high-pressure wand straight down an open snorkel pipe 'to clean out the dust'. Not a cheap mistake.
05

Advanced Methods: Dealing with 'Ghosting' and Oxidation

Sometimes a simple wash and 'dressing' won't cut it. If your roof rack has 'ghosting' (where you can see the outlines of where old stickers or mounts used to be), the powder-coat has oxidized unevenly. In these cases, I've had success using a very fine finishing polish (like Meguiar's M205) on a microfiber pad by hand. Don't use a machine up there, it's too risky on the thin edges of a rack. For snorkels that are severely oxidized (they feel rough like sandpaper), you can actually use a 'Magic Eraser' lightly with plenty of soapy water. This is a bit controversial because it's technically a micro-abrasive, but it's the only way to shave off that dead layer of plastic before applying a permanent trim restorer. Just go easy, mate. If you're too aggressive, you'll smooth out the texture and it'll look weird.

The Sunscreen Trick

Got white marks on your black snorkel from your hands? That's usually sunscreen or zinc. Use a white pencil eraser to rub it right out of the plastic grain. Works like a charm.
06

What Works and What's Rubbish

Look, I’ve tried every 'back to black' product at the big green hardware stores and the big auto chains. Most of them are just silicone oil. They look great for three days, then the first rainstorm washes them down your windscreen, leaving greasy streaks that are a nightmare to get off. For snorkels: Use **Solution Finish**. It’s more of a carbon-based tint than a dressing. It actually soaks into the pores. For protection AFTER the snorkel is black again, I reckon **303 Aerospace Protectant** is the king. It’s like SPF 40 for your plastic. For Racks: If it’s an aluminium rack like a Rhino-Rack or Yakima, treat it like paint. **Bowden's Own Fully Slick** or **Bead Maker** are great for quick maintenance. If you want it to last, get a proper ceramic coating on there. It stops the red dust from 'staining' the powder-coat.

Watch Out

While you're cleaning, don't use the rack as a handle to pull yourself up. Most modern gutterless mounts are only rated for 75kg-100kg of dynamic load. Applying your full body weight at a weird angle can bend the roof skin or tweak the mounting feet.
07

Keeping it Mint: The Aftercare Routine

Once you've done the hard yards of a deep clean, maintenance is easy. The biggest killer in Australia is leaving bird droppings or bat 'bombings' on the roof. Bat poo is incredibly acidic; it'll eat through rack powder-coating and snorkel plastic in a matter of days in the summer heat. Keep a bottle of quick detailer and a clean microfiber in your glovebox. If you see a hit, clear it off immediately. Every three months, give the snorkel another wipe over with a UV protectant. If you live near the ocean, I'd be hosing the rack down with fresh water every single week, even if you haven't driven the car. That salt mist just sits in the T-slots and eats the aluminium from the inside out. A quick 2-minute rinse at the local wash bay will save you hundreds in the long run. Also, check your snorkel's 'duck-bill' valve (the little rubber bit at the bottom of the air piping). Squeeze it to make sure it's not stuck shut with old mud. It's there to let water out, and if it's blocked, you're asking for trouble.
08

Common Questions from the Shed

Can I go through an automatic car wash with a roof rack?
Honestly? I wouldn't. Those big spinning brushes love to get caught on rack corners and shovel mounts. Plus, the chemicals they use are often 'touchless' acids that can dull the finish of your snorkel plastic.
How do I get tree sap off my rack?
Isopropyl Alcohol (IPA) is your best mate here. Put a bit on a cloth, hold it on the sap for 30 seconds, and it'll dissolve. Just make sure to re-protect that area afterwards as the alcohol strips wax.
My snorkel is whistling after I cleaned it, why?
Check the ram head alignment. If it's even a few degrees off-centre, it'll catch the wind. Also, make sure you didn't knock any of the foam stripping loose where the snorkel meets the guard.
Can I wax my roof rack?
You can, but it's a pain to get off the textured bits. A spray sealant is much better for the complex shapes of a rack.
Is red dust permanent?
Not if you catch it early. If it's left for years, the iron in the dust can actually bond to the finish. That's when you need an iron-decon product like I mentioned earlier.
Do I need to clean the inside of the snorkel?
Just as far as you can reach with a damp cloth when the head is off. Don't go spraying water or cleaners deep down into the plumbing.
My rack bolts are rusty, what should I do?
Replace them with 316 Stainless Steel hardware. A lot of cheaper racks use zinc-plated bolts that won't last a year in coastal Aussie towns.
How often should I treat the snorkel plastic?
In QLD or WA, I'd say every 2-3 months. In the cooler states, you can probably get away with twice a year.

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