Car Repair Guides & Cost Breakdowns

Brake pad replacement involves removing worn friction pads and installing new ones on one...

Brake rotors (discs) are replaced when they are worn below minimum thickness, warped, or d...

Calipers squeeze the pads against the rotors. A seized caliper causes uneven braking, pull...

Brake fluid absorbs moisture over time, lowering its boiling point and corroding internal...

The master cylinder converts pedal force into hydraulic pressure. Internal seal failure pr...

An oil change replaces engine oil and the oil filter. Intervals depend on oil type and dri...

Timing belts have a finite service life defined by each manufacturer. If a belt breaks on...

Spark plugs ignite the air-fuel mixture in petrol engines. They are consumable items with...

Coil-on-plug engines have one coil per cylinder; failure causes a misfire that can damage...

The MAF sensor measures incoming air so the ECU can meter fuel correctly. Contamination is...

The exhaust gas recirculation (EGR) valve routes exhaust back into the intake to lower com...

The clutch transfers engine power to the transmission in manual vehicles. Replacement is l...

Automatic transmissions rely on clean fluid for lubrication and hydraulic pressure. Interv...

Constant-velocity axles transmit power to the wheels while allowing steering and suspensio...

Wheel bearings allow wheels to rotate with minimal friction. A failing bearing produces a...

Shocks and struts damp suspension movement. Worn units increase stopping distance and redu...

Control arms connect the wheel hub to the frame through bushings and ball joints. Worn bus...

Tie rod ends transmit steering input to the wheels. Excessive play causes wandering, uneve...

The power steering pump builds hydraulic pressure to assist steering. Failure causes whini...

Car batteries typically last several years depending on climate and usage patterns. Replac...

The alternator charges the battery and powers electrical systems while the engine runs. Fa...

The starter motor cranks the engine until it fires. Before replacement, a proper diagnosis...

Wheel speed sensors feed ABS, traction control and stability systems. Failure triggers war...

The water pump circulates coolant through the engine. Failure leads to overheating which c...

The radiator dissipates engine heat. Leaks from corrosion or impact damage lead to overhea...

The thermostat regulates coolant flow to maintain operating temperature. A stuck-open ther...

The electric radiator fan pulls air through the radiator at low speed and in traffic. A fa...

The air conditioning compressor pressurizes refrigerant for the AC system. Diagnosis shoul...

AC systems do not consume refrigerant — low charge almost always means a leak. A responsib...

The cabin air filter cleans the air entering the passenger compartment. A clogged filter r...

Tires below the legal tread depth (1.6 mm) or with sidewall damage must be replaced. Price...

Alignment corrects camber, caster and toe angles to factory specifications. It is commonly...

The catalytic converter reduces harmful emissions. It can fail due to age, engine misfires...

The muffler reduces exhaust noise. Rusted-out or damaged mufflers leak exhaust gas, increa...

The in-tank electric fuel pump delivers pressurized fuel to the engine. Failure strands th...

The fuel filter traps contaminants before they reach the injectors. Most modern vehicles u...

Modern diagnostics go beyond reading fault codes: interpreting live data, reproducing inte...

The serpentine belt drives the alternator, power steering pump and AC compressor. It is a...

Timing chains are designed to last the engine's life but can stretch or fail on certain en...