Car Repair

Park the car and turn off the engine, Open the hood and locate the battery, Disconnect the negative terminal, Disconnect the positive terminal, Remove any battery hold-downs, Lift out the old battery, Clean the battery tray and terminals, Place the new battery in the tray, Reconnect the positive terminal, Reconnect

Park the car and turn off the engine, Open the hood and locate the battery, Disconnect the negative terminal, Disconnect the positive terminal, Remove the battery hold-down clamp, Lift out the old battery, Clean the battery tray and terminals, Place the new battery in the tray, Secure the battery with

Park the car on a level surface, Engage the parking brake, Lift the car with a jack and secure with jack stands, Place the oil drain pan under the oil pan, Remove the oil drain plug, Let the old oil drain completely, Remove the old oil filter, Install the new

Locate the OBD2 port, Turn off the vehicle, Plug in the OBD2 scanner, Turn on the vehicle ignition, Connect scanner to device if needed, Launch the scanner app or interface, Read diagnostic trouble codes, Interpret the codes using the scanner or app, Clear codes if desired, Unplug the scanner

Park on level ground and engage parking brake, Loosen lug nuts, Raise vehicle and secure with jack stands, Remove wheels, Inspect brake pads and rotors, Clean brake components with brake cleaner, Apply brake grease to contact points, Apply anti-squeal compound to pad backing plates, Reinstall brake components, Reinstall wheels and

Let engine cool completely, Check coolant level, Inspect radiator cap, Start engine and observe temperature, Check if radiator fan turns on, Scan for error codes, Inspect fan fuse and relay, Test coolant temperature sensor, Check for coolant leaks, Inspect thermostat operation, Flush and replace coolant if dirty, Top off coolant

Turn off the engine and open the hood, Inspect battery terminals for corrosion, Check battery voltage with a multimeter, Start the engine and recheck voltage, Inspect serpentine belt for wear, Check alternator connections, Test alternator output with multimeter, Replace alternator if faulty, Replace serpentine belt if worn, Clean battery terminals,

Check AC settings, Inspect cabin air filter, Verify compressor clutch engagement, Check refrigerant pressure, Inspect for visible leaks, Use UV light to detect leaks, Recharge refrigerant if low, Check condenser fan operation, Inspect AC fuses and relays, Test AC pressure switch, Check blend door actuator, Test system after repair

Scan the vehicle with an OBD2 scanner, Identify the misfiring cylinder, Inspect the spark plug of the affected cylinder, Replace the spark plug if worn or damaged, Swap ignition coil with another cylinder, Clear the code and test drive, Check if the misfire code follows the coil, Replace faulty ignition