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TunedDrive

Vehicle technology and diagnostics. TunedDrive covers new cars, in-car technology, gear and the fixes that keep vehicles running, with model-specific context and clear stop points where a mechanic takes over.

Stories by TunedDrive

24 stories

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Dashboard and Diagnostics

How to Add Transmission Fluid

To add transmission fluid, find the right fluid and check the level before pouring through a dipstick tube. Leave other fill methods to a mechanic.

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Dashboard and Diagnostics

How Much Is a Front End Alignment?

Budget $50 to $100 for a front-end alignment, or $100 to $200 for four-wheel work. Get a written total that separates repairs and calibration.

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Dashboard and Diagnostics

What Is a Serpentine Belt?

A serpentine belt powers engine accessories. If the charging light comes on or the engine overheats, pull over safely and switch off.

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Buying and Ownership

Winter Tires vs All-Season Tires

Compare winter tires vs all-season tires by the cold and snow you drive through, then plan the fit, four-tire purchase and seasonal swap.

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Dashboard and Diagnostics

What Does the P0420 Code Mean?

A P0420 code flags low Bank 1 catalyst efficiency. Learn the possible causes and what should be checked before you approve replacement parts.

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Buying and Ownership

How to Read a Tire Date Code

Read the final four digits of the complete DOT tire code: 2524 means week 25 of 2024. Check the other sidewall if the visible code stops early.

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Dashboard and Diagnostics

What Is Tire Balancing?

Tire balancing uses rim weights to help a mounted tire and wheel spin smoothly. A speed-related shake calls for a check, but balancing cannot repair damage.

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Dashboard and Diagnostics

What Is a Vehicle Alignment?

An alignment sets your wheel angles to your car's specifications. Learn what the shop checks, what the report shows and which symptoms to mention.

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Dashboard and Diagnostics

What Is Tire Alignment?

Tire alignment measures and corrects wheel angles so your car tracks straight and wears its tires evenly. Check cold tire pressure before paying for it.

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Dashboard and Diagnostics

What Are ABS Brakes on a Car?

ABS brakes help keep wheels rolling so you can steer during a hard stop. A pulsing pedal can be normal; an ABS light that stays on needs attention.

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Dashboard and Diagnostics

What Does ESC Mean on a Car?

ESC means Electronic Stability Control. See what a flashing, steady or OFF light means, and when another brake warning changes your next step.

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