After a long weekend on the trail, or a full winter of road salt and gritty rain, the spare tire usually catches the worst of it. Dirt cakes into the print, brake dust streaks down from the wheel, and at some point most owners stand in the driveway staring at the cover wondering whether the pressure washer can take it off without ruining the design.<\/p>\n
It is a fair question, and we get it often. A spare tire cover lives outside permanently. It does not get the courtesy of a garage. It deals with mud, salt, sap, dust, pollen, and sun \u2014 all on top of normal road grime. Eventually it needs a real clean, not just a wipe with a wet rag.<\/p>\n
Pressure washing looks like the fast answer. It is also the answer we have moved away from, regardless of how durable the material on the cover is. Even on the heaviest-duty fabric in our lineup, the print and the finish hold up longest when the cleaning is done by hand. The few minutes you save with a wand are not worth what they cost the cover over years of use.<\/p>\n
So before pointing a wand at the spare on your Jeep, Bronco, G-Wagon, 4Runner, or RV, here is what actually works.<\/p>\n
Pressure washing is not recommended for any Wheel Shell cover, regardless of material. Clean with mild soap, lukewarm water, and a soft cloth. Rinse thoroughly and air dry.<\/strong><\/p>\n Pressure washers concentrate force at a small point. Even with a fan-tip nozzle and a wide distance, the energy that comes off the wand is more than printed fabric and vinyl coatings are built to take over the long run. The result tends to show up gradually:<\/p>\n None of these happen in a dramatic single event. They happen quietly across years of “just a quick rinse.” The covers we see come back looking the worst at year four or five are almost always the ones that lived next to a pressure washer.<\/p>\n The recommended method is the same across every material we offer \u2014 Polyester, PVC, PU Leather, and Marine Grade Vinyl (including the Anti-Theft Kit version):<\/p>\n This routine takes about five minutes for routine cleaning, and maybe fifteen after a particularly muddy weekend. Compared to the cost of a faded or peeling cover at year three, the time is genuinely worth it.<\/p>\n For mud-caked, brush-marked, or salt-encrusted covers, do not jump to harder tools \u2014 just slow the process down:<\/p>\n This is slower than a pressure wash, but it gets a cover clean without leaving the long-term wear that high-pressure water builds up.<\/p>\n No. Pressure washing is not recommended for any Wheel Shell cover, regardless of material. We recommend cleaning with mild soap, lukewarm water, and a soft cloth, followed by a thorough rinse and air drying.<\/p>\n Pre-soak the worst spots with a wet microfiber for a few minutes, then work it loose with mild soap and a soft brush. Multiple gentle passes are better than one aggressive cleaning \u2014 the cover comes out clean, the print stays sharp.<\/p>\n The high-pressure wand at a self-service bay is the same concern as a home pressure washer. We recommend hand cleaning with mild soap and lukewarm water instead.<\/p>\n Trail rigs benefit from a hand rinse after every muddy trip. Daily drivers usually do well with a real cleaning every two to three months. Coastal vehicles tend to need it more often because salt builds up fast on any outdoor surface.<\/p>\n If you live somewhere that puts real wear on the spare \u2014 coastal salt air, off-road country, or just a long winter \u2014 Marine Grade Vinyl ($169) is the longest-lasting pick. The Anti-Theft Kit version ($199) adds locking hardware on the same material.<\/p>\nWhy we do not recommend pressure washing<\/h2>\n
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The right way to clean a spare tire cover<\/h2>\n
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When the cover is really dirty<\/h2>\n
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What to avoid on any cover<\/h2>\n
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Frequently asked questions<\/h2>\n
Is pressure washing safe on any Wheel Shell cover?<\/h3>\n
What if my cover is already really muddy?<\/h3>\n
Can I use a self-service car wash?<\/h3>\n
How often should I clean a cover that lives outside?<\/h3>\n
Get a cover built for the long haul<\/h2>\n