Sweat Project Cars Never Buy Tires Again

15 Things You Should Never Practise To Your Machine

If your goal is to go along your machine in nifty shape, don't even consider doing whatsoever of these things.

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Steve Maxwell/Family Handyman

Never Ignore Rusting

When information technology comes to things you should never do with your machine, ignoring rust isn't loftier on most people's lists, only information technology should be. The tricky thing about vehicle rust is that it's almost always worse than it appears on the surface.

If you discover rust bubbles through your vehicle's paint job, don't ignore it. Practise some careful poking and prodding of the area, and you'll probably discovered a section of metal beneath the pigment at least two or three times larger than the visible rust bubbles. Spots similar this demand to exist stripped dorsum to clean metal, and then filled and repainted equally shortly equally possible. Small nicks in the paint that get rusty are likely just surface rust and aren't as urgent, just nevertheless shouldn't be ignored for long, lest they become worse.

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Family unit Handyman

Never Overfill the Tires to "Get Better Gas Mileage"

The Internet is chock with testimonials from people who claim they upped their mileage by inflating their tires to the maximum force per unit area listed on the sidewall. What they don't tell y'all virtually are the rougher ride, premature tire article of clothing, longer stopping distances and increased repair costs due to worn-out pause components.

The recommended tire pressure level for your car is listed inside the driver'southward door frame. Information technology's based on vehicle weight, forth with the best possible treatment. Inflating your tires to the maximum pressure listed on the tire is okay if you're hauling a heavy load. But you must reduce the tire pressure to the recommended pressure once you remove the load.

Driving a normal load on over-inflated tires reduces rolling resistance, which tin increment your mileage slightly. But several negative effects outweigh this small do good. Over-inflation increases stopping distances, causes the tires to skid and hydroplane on wet roads, and reduces the life of the tire. The harder tires also blot less impact vibration so they transmit more road daze to your entire suspension organization, causing a rougher ride. Worse yet, the additional tire bounciness wears out your machine's struts, strut mounts, shocks, springs, ball joints and control artillery much faster.

In the market for new truck or SUV tires? Check out our truck and SUV tire buying guide.

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Family Handyman

Never Utilize the Incorrect Coolant/Antifreeze

Whether you practise cooling organization flushes yourself or are just topping it off later on a repair, using the correct coolant is critical to the life of your car'south engine and all cooling system components. The recommended coolant for your car is listed in your possessor's manual. If y'all use the incorrect coolant or mix different types of coolant, you tin crusade premature failure of your water pump, radiator, heater pipes and heater core.

That's because corrosion inhibitors are designed to exist uniform with the specific metals used in the engine and cooling system. Each inhibitor package also must exist compatible with the types of plastic and rubber used in seals, gaskets and tubes used in your engine.

If you mix coolants, the corrosion inhibitors in i blazon can be incompatible with the additive bundle of coolant already in your car. The inhibitors in the added coolant can reduce the effectiveness or even abolish out the performance of the corrosion inhibitors of the old coolant. Worse yet, topping off or flushing with the wrong coolant tin damage the plastic and rubber seals and gaskets used in late model engines. The damage may non show until you've racked up 5,000 or more miles. When those parts fail, you lot probably won't connect the dots and realize they failed considering you lot used the wrong coolant.

If you tin can't detect the exact coolant for your engine at an auto parts store, buy it at the dealer. You may spend a whopping $10 more you would for the "universal" coolant stocked at the motorcar parts store, just at to the lowest degree you'll get the right coolant for your car. It's a small cost to pay for peace of mind and increased vehicle lifespan. Changing coolant prevents premature radiator and heater core failure. Check these cool tips on how to modify your own coolant.

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Picket this video to acquire more about what not to do to your automobile (and what to do instead):

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Family Handyman

Never Mix Up Brake Fluid and Power Steering Fluid

A one-pint canteen of power steering fluid looks almost similar a one-pint canteen of brake fluid. That's why so many DIYers mix them up (it happens more often than you recall). If you add together the wrong fluid to your power steering or restriction organization, the repair can easily cost thousands.

Power steering fluid swells the seals in a brake organization, causing full brake failure. To gear up the fault, the store has to rebuild or replace the principal cylinder, calipers, wheel cylinders and proportioning valve. Sometimes they fifty-fifty take to supervene upon expensive ABS components. Pouring brake fluid into your power steering reservoir is just as damaging because brake fluid isn't a lubricant, and then it causes pump and steering gear failure. Ever double check before you refill your brake or power steering fluid reservoirs.

Learn how to cheque the remaining life on your brakes with this elementary method.

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fluid Georgiy Myakishev/Shutterstock

Never Use a "Universal" Fluid in Your Power Steering or Manual

Several fluid manufacturers merits their "universal" power steering and transmission fluids work in all car makes and models. Car manufacturers disagree, and their arguments confronting using universal fluids are based on incompatible specifications, not greed.

For example, there'due south only no style a unmarried transmission or power steering fluid tin can meet the different (and mutually sectional) viscosity and additive requirements for every transmission and power steering system in use today. In fact, European, Japanese and domestic auto makers have differing transmission and ability steering fluid requirements from model to model and even yr to year.

The recommended fluid for your machine's transmission and power steering system is listed in your owner's transmission. If your local auto parts store doesn't stock the exact fluid you demand, try a dissimilar store or buy it at the dealer. It'due south but non worth the risk to use a non-approved fluid in expensive components like your transmission or power steering.

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Family Handyman

Never Disconnect a Battery Cable to Test the Alternator

Many years ago, you could disconnect a battery cable while the engine was running to examination the alternator in your automobile. If the engine continued to run, that proved the alternator was working.

Only information technology's a exam you should never try on a mod car or truck equipped with computers and electronics. That'southward because disconnecting a battery cable while the engine is running causes the alternator to spike a 25-to-125-volt surge inside 40 milliseconds afterwards cable removal. That voltage spike can't damage anything in an old non-computerized car, but it can instantly fry the many computers and expensive electronics used on all late model cars. Repairing the impairment can cost a small fortune.

If your car or truck was built after the early 1970s, chances are it has at least i computer. So forget this old fob left over from the "one-time days" and examination your car alternator with a volt meter. Or accept your motorcar to an auto parts store that offers a free charging system diagnostic test. Next, learn how a diesel engine works.

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Family Handyman

Never Drive When Your Oil Light is On

All cars have a "low oil pressure" warning light. If the calorie-free comes on while yous're driving, it can mean that your automobile is dangerously low or completely out of oil. It tin also mean your auto has a serious leak that's causing a pressure drop, a clogged oil passage that's causing oil starvation, or that the oil pump has failed or is failing.

Whatsoever the cause, when the light comes on, pull off the route immediately and shut off the engine. So pop the hood and check the oil level using the dipstick. If the dipstick shows you're out of oil or dangerously low, you must add together more oil before restarting. Driving a car when information technology'due south dangerously depression or completely out of oil volition destroy your engine in just a few minutes, and that can hands price yous thousands.

Don't think y'all can drive to the nearest shop to go more. It'southward not worth the run a risk. Instead, call a friend or family unit member and ask them to bring the oil to your location. Or better yet, travel with a jig of oil in your torso at all times (the recommended type and viscosity is listed in your owner's manual). Add it to the filler port and check the dipstick to brand sure information technology'due south full. Practise non overfill.

If the dipstick shows you've got oil, the trouble is even more than serious and must be checked out past a mechanic. There's really nothing y'all tin can practice while you're on the side of the road. If the dipstick shows the engine is total, or yous can't reach a friend to drib off more oil, call a tow truck. If you tin can't afford a $200 tow, so you surely can't afford a new engine.

Should you use a high-mileage motor oil?

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gas i3alda/Shutterstock

Never Bulldoze With Less Than a Quarter Tank of Gas

The electric fuel pump is located inside the fuel tank on merely about every fuel-injected car and truck. Car makers put it there on purpose so it's cooled and kept at a safe operating temperature by the gas in the tank. But if you consistently bulldoze with less than a quarter tank, the low fuel level tin't always provide enough cooling for the pump, and that tin can cause early fuel pump failure. Overheating isn't the just issue, though.

Consistently driving with a low fuel level causes the pump to suck in droppings from the bottom of the tank. That debris can pass through the "sock" filter in the tank and the particles can wearable out the pump impeller, causing a low fuel pressure state of affairs. This alarm doesn't mean you have to rush to a gas station the instant you lot hit a quarter tank on the gauge. The fuel pump can easily handle occasional low fuel level functioning. Only if you consistently drive with less than a quarter tank, you lot increase your chances of early on fuel pump failure and a big repair bill.

Which gasoline should you purchase? These are the 10 things you should know almost gasoline.

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oil Ensuper/Shutterstock

Never Use the Wrong Oil

Greater sophistication in mod vehicle designs means using the right engine oil is crucial. Auto makers upped their game on engine design to encounter higher mileage standards. Newer engines are built to more than exacting tolerances and include loftier-tech mechanisms like variable valve timing (VVT) and turbochargers to squeeze more power and miles out of every gallon of gas.

VVT systems work by pulsing pressurized oil into hydraulic passages to advance or retard the camshaft. The pulse timing and associated camshaft movement is based on the oil type and viscosity listed in your owner'due south transmission. It all works great if you utilise the correct oil and it gets messed up if yous use the wrong oil. Using the wrong viscosity oil tin can actually set a problem code and light the "cheque engine" calorie-free on your dash.

The right oil is just as critical for proper turbocharger operation. A modernistic turbocharger tin spin at rates as high as 240,000 RPM, which ways the bearings must exist constantly lubricated and cooled past the oil. If you lot substitute a different oil type or viscosity, you can modify the catamenia rate, causing bearing overheating and early turbo failure. Acquire how to choose the right motor oil and filter.

So ignore the advice from your buddies or online "oil experts" and stick with the car manufacturer'southward oil recommendation. They designed the engine and they're in the all-time position to know what fluids it needs. Wonder if engine additives actually work? Here'due south the scoop.

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Family Handyman

Never Apply Dishwashing Detergent to Wash Your Machine

Dishwashing detergent is designed to aggressively attack and break down dried on nutrient, oil and grease. That's keen for dishes — not and so great for machine paint.

Car pigment, articulate coat and car wax contain oils and resins that maintain the paint's integrity and filter out harmful UV rays. When you lot wash your auto with dishwashing detergent, you strip off the wax and pull some of those critical oils out of the paint and paint sealants, leaving information technology blank and exposed to the elements.

If you immediately wax your car with a high-quality wax, yous can restore some of the UV protection. If you don't wax your car after washing with dishwashing detergent, you lose important dominicus protection. If you regularly wash your car with dishwashing detergent, you'll degrade the paint and clear coat enough over its life to cause premature fading and fifty-fifty early on paint failure. Get machine detailing tips from the pros.

Motorcar wash soap, on the other mitt, is designed to remove dirt and grease without removing the surface wax and oils from the paint. It'southward likewise biodegradable, so the wash h2o runoff is safer for the surroundings. Find automobile wash lather at any motorcar parts shop or in the automotive aisle at well-nigh big box stores. Information technology'due south inexpensive and better for your car's finish. Learn how to restore a faded auto interior.

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engine Evgenius1985/Shutterstock

Never Neglect the Dipstick

The oil alter intervals listed in your owner's manual are based on the car maker's assumption that you lot'll not but use the recommended oil, but that yous'll also cheque the oil on a regular ground and peak it off when it's low. All engines employ some oil between oil changes; even some new engines tin burn as much equally a quart every one,500 to 3,000 miles. If you never cheque your dipstick, yous'll never know that you need to add together more oil. Worse nonetheless, if you lot don't meridian off your oil, you stress the remaining oil, dramatically reducing its useful life.

Let's assume the recommended oil change interval for your machine is every seven,500 miles. If you burn one quart of oil in the get-go three,000 miles and don't replenish it, you deplete the anti-wearable and anti-corrosion additives in the remaining oil past about 25 percentage. If you burn down no more oil (which is unlikely), your oil will exist worn out when you reach 5,600 miles instead of the normal 7,500 miles. If you continue to bulldoze on that depleted oil until y'all reach the vii,500 mile mark, your engine can experience premature clothing and develop sludge deposits. With an engine swap costing thousands, it pays to cheque your oil regularly and refill when it'south low.

Check out the things yous should do to save coin by changing your own oil.

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Colorful aluminum cans with water drops. Shutterstock / SergZSV.ZP

Never Leave Beverages Within Your Auto

Since liquids aggrandize when they freeze, you could be in for a big mess if you leave beverages in your vehicle for extended periods of time when temperatures dip below freezing. Don't forget to take bottled water, juice, soda and beer within later on your trip to the grocery store.

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smoke buenaventura/Shutterstock

Never Smoke While Pumping Gas

It may seem like a no-brainer, simply you shouldn't smoke effectually the gas pump. And this should be obvious, but never ignite lighters or light matches anywhere near a gas pump.

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Close up driver's bare foot on pedal in car ,Safety to driving concept. hayabusapatto/Shutterstock

Never Bulldoze Without Shoes On

"Many drivers might exist guilty of this,"says Richard Reina, product grooming director at the aftermarket auto retailer CARiD.com .

Information technology's not necessarily the least safe thing you lot can do backside the wheel, only it still isn't a good idea.

"For instance, yous might need to brake very hard of a sudden and discover yourself unable to utilise the proper force with a bare or socked human foot every bit you would with a shoe on," Reina says. "Additionally, if you need to step out of the car in an emergency, yous run the take chances of injuring your anxiety or wasting precious time putting shoes back on."

Learn other things you actually shouldn't exercise while driving here.

When should yous downshift automatic transmissions?

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Source: https://www.familyhandyman.com/list/10-things-you-should-never-do-to-your-car/

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