Auto Repair Basics

Learn why car repairs cost more when replacing fluids and worn components, as access varies and labor hours rise. Understand how complexity and hidden failures affect quotes and trust.

discover six essential questions to guide any auto repair, from the component's function and access to precautions, attachment method, fasteners, and the right tools.

Explore ratchet drives quarter, 3/8, and half inch, and their sockets, learn the on/off switch and clockwise tightening and counterclockwise loosening, and use a palm strike to break fasteners free.

Explore cordless power tools for auto repair, including drill, impact driver, cordless ratchet, and impact wrench. Learn how battery-powered tools boost torque and speed for wheel removal and fastener extraction.

Master essential auto repair tools—from pliers and cutters to wrenches, breaker bar, and sockets—with swivels for hard-to-reach fasteners, and use PB blaster and brake cleaner for cleanup and loosening.

Identify fastener heads to select the right socket or bit, covering flat, Phillips, square, hex/allen, 12-point, torx, tamper torx, external torx, torx plus, and penta in automotive repair.

Replace the cabin air filter on a 2011 Chevrolet Cruze by accessing the glovebox, removing the cover, and installing a new filter with the arrow facing down.

Replace the cabin filter on a 2014 Ford Escape by accessing it under the glovebox on the left, removing a t20 fastener, and swapping in a new filter.

Change the cabin air filter on a Nissan Sentra 2013 by removing the glovebox cover and six screws, then change every 15,000 to 20,000 km and reseal housing.

Identify easily accessible cabin air filter locations by examining Kia models, the Nissan Rogue, and a Nissan Sentra under the driver footwell, noting this setup is rarer.

Label engine bay components to simplify understanding and identify key parts such as the engine, battery, airbox, fuse box, washer fluid, coolant reservoir, brake fluid reservoir, and radiator across different cars.

Label the engine bay components of a 2011 Chevrolet Cruze, identifying the engine, air box, radiator, battery, fuse box, washer fluid, brake fluid reservoir, and coolant reservoir.

Identify the engine bay components of a 2014 Ford Escape 2.0 turbo, including expansion tank, washer fluid reservoir, air box, coolant reservoir, radiator, brake fluid reservoir, battery, and fuse box.

Identify engine bay components across multiple makes by recognizing common layouts, such as coolant reservoir placement, battery in the trunk, and hidden air and fuse boxes behind covers.

Master floor jack setup: center on the jacking point, lock fully, and lift safely. Use jack stands on pinch weld rails, align, release slowly; avoid rusty rails.

Learn to safely raise the rear of a vehicle using right and left jack tables or rear control arms, and recognize torsion beam axles and rail locations.

Learn how to inspect tires, check pressure with a gauge, and set it to manufacturer specifications using the door jamb sticker; understand tire size, tread depth, and aging guidelines.

Assess tire condition by examining wear patterns, such as middle tread wear, inner wear, and bubbles, to prevent blowouts and vibration and know when to replace.

Learn to safely remove and install a wheel using an impact gun or breaker bar, identify lug nut sizes, and tighten in a cross pattern to 70–100 ft-lbs.

Learn to use a tire plugging kit with plugs and a reamer tool to seal punctures, apply rubber cement, detect leaks with soapy water, and reinflate with a mini inflator.

Learn to locate a tire leak with soapy water, remove the nail, expand the hole, insert a plug with rubber cement, trim the ends, and reinflate with a portable inflator.

Identify bead and valve leaks beyond nails, and assess sidewall damage. Some leaks require a shop for bead sealer application or tire replacement.

Discover how to use oil change specialty tools, including the oil filter socket adapter and Toyota/Lexus adapter, to remove oil filters, with tips on three inch and half inch drives.

Perform an oil change on a 2013 Nissan Sentra by draining the oil, replacing the filter and copper washer, refilling with 5w-30 synthetic to 3.9 liters, and checking the dipstick.

Explore cartridge filter designs and locations across car models. Identify access points, replace the oil filter cartridge, and install new o-rings.

Shows an oil change on a 2014 Ford Escape, including draining oil and filter, replacing the filter, refilling with 5w-30 synthetic, checking the level, and resetting the oil light.

Examine undercover and drain plug configurations across models, including access holes, clips, and side-positioned oil filters. Learn strategies for safe access, removal, and reinstallation during oil changes.

Learn to locate and replace engine air filter in the airbox—Nissan Sentra 2013—every 50,000km, using clips, removing the intake tube, and installing a filter with a secure seal.

Replace the air filter on a 2011 Chevrolet Cruze by removing the air box cover, loosening six Phillips head fasteners, and resecuring the cover after installing the new filter.

Locate the air box in the 2014 Ford Escape and access the filter. Replace the filter (Ac-delco), clean debris from the box, and snugly reinstall the cover and bolts.

Demonstrates removing the air filter tray on a 2010 Nissan Sentra, replacing the engine air filter, and compares models like 2022 Kia Sportage, 2017 Kia Niro, and 2018 Kia Sorento.

Replace a bad wiper on a Ford Escape 2014 by identifying streaks or stiffness, installing the correct adapter and hook style, and securing the blade for a clear windshield.

Master hook-type wiper blades by releasing back tab to remove the original blade, then reinsert and click to secure. Lift up tab on aftermarket hooks to unhook, then reattach.

Learn to replace a rear wiper arm by pulling out the old one, pressing in the new arm at the notch, and applying light pressure to secure it.

Learn how to replace rear wiper inserts by disassembling, fitting two metal pieces into the slots, sliding the arm through all slots, and bending the metal to fit.

Identify the battery’s positive and negative terminals, and loosen the clamps. Remove the hold-down bracket, replace the battery, note core charge, and connect the positive terminal first, then the negative.