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A pinion seal keeps oil in the differential and keeps water, dirt, and debris out. A failing pinion seal will leak which can ruin the differential.

Identify bad EGR valve symptoms and take proactive steps to address them effectively with this guide. Trust YourMechanic for expert insights.

Car symbols, or dashboard lights, are a car service reminder. The Cadillac Oil Life Monitor system indicates when and what service your car needs.

The overdrive (O/D) light on your dash can mean two very different things, depending on whether it is lighting up and staying on,...

P2440 code definition The P2440 diagnostic trouble code is an indication that the Powertrain Control Module (PCM) has detected that the switching...

Harmonic balancers fail when the engine is causing excessive vibrations and the timing marks are misaligned.

P0134 code definition The P0134 diagnostic trouble code is an indication that there is a problem with the oxygen sensor that is...

Car windshield washer nozzles spray washer fluid onto the car windshield. Replace washer nozzles if they leak fluid or don't spray a hard mist.

If If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from sitting in a car’s seat for a long drive. Sometimes,...

P2261 P2261 code definition Turbo/Super Charger Bypass Valve - Mechanical What the P2261 code means The P2261 diagnostic trouble code is an indication that the turbo/super charger bypass valve mechanical control circuit is giving the Powertrain Control Module (PCM) a...

Many car owners become aware that it is time to investigate their vehicle's suspension components when their car starts to...

Common signs include the heater not working, coolant leaking from under the engine, and no voltage across the heater control valve.

A transmission oil pressure switch relays measurements from the pump. If the filter is clogged, this switch puts the transmission into limp mode.

Spilled milk can leave an awful odor in your car. To get the smell out of your car, blot up as much liquid as possible and use a carpet cleaner.

Every car, truck, and SUV has a suspension, the collection of parts that holds the car off the ground, cushions passengers and cargo from bumps,...

The brake booster vacuum pressure sensor is a vital part of power brake operation. A Check Engine Light or a hard brake pedal are signs of failure.

P0690 means a high voltage problem with the power supply to the ECM/PCM which may cause Check Engine Light to come on or the vehicle will not start.

Common signs include lack of cold air coming from AC, temperature fluctuations, and the AC compressor not activating.

P2563 code definition Turbocharger Boost Control Position Sensor Circuit Range/Performance What the P2563 code means P2563 is an OBD-II generic code. The...

Completing Completing routine service and maintenance is vital to keeping your car, truck, or SUV running strong. At times, however, car issues will arise, and every vehicle will display certain warning signs. To reduce the potential for breakdown, and expensive...

The hybrid drive system malfunction light turns on when an issue is detected with the system. It could be due to problem with the battery or a fuse.

P0650 means there is a computer output circuit issue, likely due to a defective electrical circuit or bulb.

P2279 code definition Intake Air System Leak What the P2279 code means P2279 is an OBD-II generic code for the engine control...

Common signs include brake fluid leaks, abnormal sounds, and vehicle pulling to the left or right.

Brake rotors are the large metal discs visible behind the wheels of a car. These spin along with the wheels so...