By ShowMeStepByStepPublished Updated
Based on a video by Clean That Up.
Most people wash their car in the wrong order with the wrong tools and end up with swirl marks for their effort. The right way takes about 30 minutes, costs maybe $40 in supplies you'll keep for years, and leaves the paint looking better than a $20 automatic wash ever could.
Start at the wheels, not the body. Grab the hose and rinse all four wheels to knock off the loose dirt, brake dust, and road grime. The wheels are the dirtiest part of the car, so getting them out of the way first means you don't redeposit that grit on the paint later.
Spray a dedicated wheel and tire cleaner over each wheel - rim, spokes, and tire. Be generous. Let it dwell for 30 to 60 seconds while it breaks down brake dust. You'll see it react and start running off as it grabs the grime.
Two brushes for two jobs. A soft-bristle brush for the rim - stiff bristles will scratch the finish. A stiff-bristle brush for the tires, which are filthy and need actual scrubbing power. Get into the spokes and lug nut wells where dirt hides. Rinse off when you're done.
Tip
Always rinse your brushes after every wash. Dirt left on the bristles dries hard and turns into sandpaper next time.
Before any soap touches the paint, hose down the entire car from top to bottom. This pulls off the surface layer of dust, pollen, and dirt. Skipping this is the easiest way to put scratches in your paint - the wash mitt will drag whatever's on the surface across the panel.
Fill one bucket with car-wash soap mixed at the ratio on the bottle - about 6 oz per 5 gallons of water for most concentrates. Fill the second bucket with plain fresh water. The fresh water bucket is for rinsing dirt off the mitt between dunks. This is the trick that prevents you from grinding grit into your paint.
Soak the wash mitt in the soap bucket - don't wring it out. Start at the top of the driver's side and work down. Always go in straight back-and-forth strokes, never circles. Circular motions are what create swirl marks under direct light.
Wash one section at a time, then rinse it before the soap dries.
Tip
Wash on a cloudy day or in the shade. Direct sun dries soap onto the paint in seconds and that's a pain to recover from.
Every time you finish a section and need more soap, dunk the mitt in the fresh-water bucket first to release the dirt. Then go back to the soap bucket. Work around the car in a 360 pattern: driver's side, back, passenger side, front.
For the lower portion of the car (where most road grime lives), flip the mitt to the dirty side. Don't drag that side back up onto the upper panels.
Once the whole car is washed, rinse it down completely. Then rinse it again. Pay extra attention to door handles, the gas cap, around mirrors, and the trim - soap pools in those nooks and dries into spots if you miss them.
Don't let the car air dry - water spots are a pain to get rid of. Lay a large microfiber drying towel flat on a panel and pull it slowly toward you. The weave grabs the water without dragging across the paint. A leaf blower works great as a first pass to push standing water off, then towel-dry the rest.
Keep your drying towel separate from your wash and wheel towels. Treat it like a precious thing - one hard scrub on a dirty wheel and it's contaminated.
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