Servicing a Cadillac CT4: What and When to Replace.

The Cadillac CT4 is a luxury compact sedan known for its performance, technology, and style. Regular maintenance is essential to ensure your CT4 continues to deliver the driving experience you expect. Below are the key service intervals and maintenance tasks for keeping your Cadillac CT4 in top condition.

Every 7,500 Miles or 6 Months

• Oil and Oil Filter Change: Regular oil changes are crucial for maintaining engine health. Use the recommended synthetic oil specified by Cadillac.
• Tire Rotation and Inspection: Rotate your tires to ensure even wear and prolong their lifespan. Check tire pressure and tread depth regularly.
• Fluid Level Check: Inspect and top off all essential fluids, including coolant, brake fluid, power steering fluid, and windshield washer fluid.
• Brake System Inspection: Check the condition of brake pads, rotors, and fluid. Replace worn components as needed.

Every 15,000 Miles or Annually

• Air Filter Replacement: A clean air filter ensures that the engine breathes properly, enhancing performance and fuel efficiency.
• Cabin Air Filter Replacement: The cabin filter keeps the air inside the car clean from dust and allergens.
• Inspect and Clean Sunroof Drains: Ensure the sunroof drains are clear to prevent water leaks.

Every 30,000 Miles

• Fuel Filter Replacement: A clean fuel filter ensures that contaminants do not reach the engine, maintaining performance and longevity.
• Battery Check: Inspect the battery and its terminals for corrosion. Ensure it holds a proper charge and replace it if necessary.

Every 45,000 Miles

• Spark Plug Replacement: Spark plugs play a key role in engine performance and fuel efficiency. Replacing them ensures optimal combustion.
• Transmission Fluid Change: Healthy transmission fluid is essential for smooth gear shifts and overall transmission health.

Every 60,000 Miles

• Coolant Replacement: Fresh coolant helps prevent engine overheating and protects against corrosion.
• Drive Belt Inspection and Replacement: Check the condition of drive belts and replace them if they show signs of wear.

Every 90,000 Miles

• Brake Fluid Replacement: Brake fluid absorbs moisture over time, which can affect braking performance. Regular replacement is necessary to maintain braking efficiency.

Every 100,000 Miles

• Timing Chain Inspection: Although the timing chain is designed to last, it’s crucial to inspect it for wear and tension, replacing it if necessary to avoid costly engine damage.
• Transfer Case Fluid Replacement: For all-wheel-drive models, ensure the transfer case fluid is changed to maintain proper lubrication.

General Recommendations

• Regular Software Updates: Ensure the vehicle’s software is up to date for optimal performance and access to the latest features.
• Inspection of Suspension and Steering Components: Regularly check for wear and tear to maintain ride comfort and handling.
• Light and Electrical System Check: Ensure all lights and electronic systems are functioning correctly.
• Attention to Unusual Sounds or Handling Issues: Address any unusual sounds or changes in handling promptly to prevent minor issues from becoming major problems.

Regular and timely servicing of your Cadillac CT4 helps maintain its luxury, performance, and reliability. Always use professional services and genuine Cadillac parts for the best results.