2021 Honda Civic Factory Maintenance Schedule

Quick reference

Mileage	Service	Notes
5,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection	Or every 12 months, whichever comes first. Use Honda's recommended synthetic oil.
10,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
15,000	Cabin Air Filter Replacement, Engine Air Filter Replacement, Oil and Filter Change, Tire Rotation, Multi-point Inspection	Inspect brake pads and fluid.
20,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
25,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
30,000	Brake Fluid Flush, Cabin Air Filter Replacement, Engine Air Filter Replacement, Oil and Filter Change, Tire Rotation, Multi-point Inspection	Inspect drive belt.
35,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
40,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
45,000	Cabin Air Filter Replacement, Engine Air Filter Replacement, Oil and Filter Change, Tire Rotation, Multi-point Inspection
50,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
55,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
60,000	Spark Plug Replacement, Transmission Fluid Service (Drain & Fill), Brake Fluid Flush, Cabin Air Filter Replacement, Engine Air Filter Replacement, Oil and Filter Change, Tire Rotation, Multi-point Inspection	Inspect accessory belt and PCV valve. This is a major service.
65,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
70,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
75,000	Cabin Air Filter Replacement, Engine Air Filter Replacement, Oil and Filter Change, Tire Rotation, Multi-point Inspection
80,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
85,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
90,000	Brake Fluid Flush, Cabin Air Filter Replacement, Engine Air Filter Replacement, Oil and Filter Change, Tire Rotation, Multi-point Inspection
95,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
100,000	Coolant Flush, Oil and Filter Change, Tire Rotation, Multi-point Inspection	Inspect timing chain (no replacement interval for timing chain).
105,000	Cabin Air Filter Replacement, Engine Air Filter Replacement, Oil and Filter Change, Tire Rotation, Multi-point Inspection
110,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
115,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
120,000	Spark Plug Replacement, Transmission Fluid Service (Drain & Fill), Brake Fluid Flush, Cabin Air Filter Replacement, Engine Air Filter Replacement, Oil and Filter Change, Tire Rotation, Multi-point Inspection	Inspect accessory belt and PCV valve.
125,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
130,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
135,000	Cabin Air Filter Replacement, Engine Air Filter Replacement, Oil and Filter Change, Tire Rotation, Multi-point Inspection
140,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
145,000	Oil and Filter Change, Tire Rotation, Multi-point Inspection
150,000	Brake Fluid Flush, Cabin Air Filter Replacement, Engine Air Filter Replacement, Oil and Filter Change, Tire Rotation, Multi-point Inspection	Inspect accessory belt and PCV valve. Fuel filter is typically a lifetime part on the 2021 Civic, integrated with the fuel pump.

Maintaining your 2021 Honda Civic according to the factory schedule is crucial for its longevity, performance, and resale value. Honda’s maintenance minder system in your vehicle is designed to alert you when service is due, but understanding the underlying schedule provides valuable insight into your car’s needs.

Regular oil and filter changes are the cornerstone of engine health. For the 2021 Civic, Honda recommends a synthetic blend or full synthetic oil with the appropriate viscosity as specified in your owner's manual. The general interval for oil changes is every 5,000-7,500 miles or 12 months, whichever comes first, under normal driving conditions. However, your car's maintenance minder system will dynamically adjust this based on your driving habits, ranging from as low as 3,000 miles to a maximum of 10,000 miles. Always pay attention to the maintenance minder indicators.

Tire rotations should accompany every oil change, typically every 5,000-7,500 miles. This practice ensures even tire wear, extending their lifespan and maintaining optimal handling and safety.

Both the cabin air filter and the engine air filter are vital for your comfort and your engine's health, respectively. The cabin air filter, which cleans the air you breathe inside the car, should be replaced every 15,000 miles or once a year, or more frequently if you drive in dusty environments or suffer from allergies. The engine air filter, protecting your engine from contaminants, has a similar replacement interval of 15,000 miles. Neglecting these can lead to reduced HVAC performance and decreased engine efficiency.

Brake fluid flushes are recommended every 30,000 miles or every three years. Brake fluid is hygroscopic, meaning it absorbs moisture over time, which can reduce its boiling point and lead to a spongy brake pedal and decreased braking performance. A flush replaces the old, contaminated fluid with fresh fluid, ensuring optimal braking safety.

The 2021 Honda Civic uses a timing chain, not a timing belt. Timing chains are designed to last the lifetime of the engine and typically do not require replacement under normal circumstances. However, it is good practice to have the timing chain inspected during major services, especially around 100,000 miles, to check for any signs of wear or stretch, though issues are uncommon.

Transmission fluid service for the 2021 Civic (equipped with a CVT or automatic transmission) involves a drain and fill, not a complete flush, and is generally recommended every 60,000 miles. This helps maintain the proper lubrication and cooling properties of the transmission fluid, crucial for the smooth operation and longevity of the transmission. If you do a lot of stop-and-go driving or towing, consider shortening this interval.

Spark plugs are a critical component of your ignition system, and their replacement is typically due around 60,000 to 100,000 miles. For the 2021 Civic, Honda specifies iridium-tipped spark plugs, which have a longer service life. Adhering to this interval ensures efficient combustion, optimal fuel economy, and proper engine performance.

Coolant flushes are recommended around 100,000 miles for the first time, and then every 50,000 miles thereafter. Fresh coolant protects your engine from overheating and freezing, and also prevents corrosion within the cooling system. Using Honda-approved long-life coolant is essential.

The accessory belt (also known as the serpentine belt) drives components like the alternator, power steering pump (if applicable), and A/C compressor. It should be inspected at every major service (e.g., 30,000, 60,000 miles) and replaced as needed, typically around 60,000-90,000 miles, or if cracks, fraying, or excessive wear are observed. The PCV (Positive Crankcase Ventilation) valve should also be inspected at certain intervals, often around 60,000 miles, and replaced if it's sticking or clogged to prevent oil sludge buildup and maintain engine efficiency. Fuel filters on the 2021 Civic are often integrated with the fuel pump inside the fuel tank and are considered "lifetime" components, not typically requiring separate replacement.

Differential and transfer case services are not applicable to the FWD 2021 Honda Civic as it does not have these components.

Severe-duty schedule

If you frequently drive under severe conditions, your maintenance intervals will be shorter. Severe driving conditions include:

• Towing or hauling heavy loads: Shorten oil changes, transmission fluid service, and brake inspections.
• Driving in dusty conditions: More frequent air filter (engine and cabin) replacements.
• Frequent short trips (less than 5-10 miles) or extensive idling: Accelerates oil degradation; shorten oil change intervals.
• Driving in extremely hot or cold climates: May require more frequent fluid checks and changes.
• Mountainous terrain: Increased stress on brakes and transmission; more frequent inspections and fluid changes.

For most severe-duty items, the Honda Maintenance Minder will illuminate earlier. As a general guideline, consider halving the mileage for oil changes and transmission fluid services, and inspecting filters and brakes more frequently.

Known issues by mileage (10th Generation Civic FK/FC: 2016-2021)

While the 2021 Honda Civic is a reliable vehicle, some common owner-reported issues for this generation might include:

• 20,000 - 40,000 miles: Some owners have reported minor issues with the infotainment system, such as freezing or Bluetooth connectivity problems. Software updates often resolve these.
• 40,000 - 60,000 miles: Premature wear on front brake pads and rotors can occur, especially with aggressive driving. Keep an eye on brake pad thickness during inspections.
• 60,000 - 80,000 miles: Concerns with the AC condenser being susceptible to damage from road debris, leading to refrigerant leaks and loss of cooling. Inspection during this range can help identify pinholes early.
• 80,000 - 100,000 miles: Some owners have noted slight vibrations or drone from the CVT transmission, often resolved with a transmission fluid drain and fill. Issues are relatively minor if maintenance is regular.

These are general observations and not every vehicle will experience these issues. Regular maintenance is the best preventative measure.

Estimated cost per service

Costs can vary significantly depending on your location, the repair shop (dealership vs. independent), and the specific parts used. Here's a general estimate (excluding taxes and fees):

• Oil & Filter Change (synthetic): $70 - $120
• Tire Rotation: $25 - $50 (often included with oil change at dealerships)
• Cabin Air Filter Replacement: $50 - $90
• Engine Air Filter Replacement: $50 - $90
• Brake Fluid Flush: $120 - $180
• Transmission Fluid Service (drain & fill): $180 - $280
• Spark Plug Replacement: $250 - $400
• Coolant Flush: $150 - $250
• Accessory Belt Replacement: $120 - $200 (parts & labor)
• PCV Valve Replacement: $80 - $150 (parts & labor)

Booking multiple services together, such as an "A/B Service" at a dealership, can sometimes offer a slight discount.

What you can DIY vs shop

Many maintenance tasks on your 2021 Honda Civic can be tackled by a competent DIYer, potentially saving you money. However, some tasks are best left to professionals.

Easily DIYable:

• Oil and Filter Change: With basic tools, ramps or jack stands, and knowledge of proper disposal, this is a common DIY task.
• Tire Rotation: Requires a jack, jack stands, and a torque wrench. Ensure proper torque specifications are used for lug nuts.
• Cabin Air Filter Replacement: Usually involves removing a glove box or a panel, very straightforward.
• Engine Air Filter Replacement: Typically a simple snap-off airbox cover; no tools often required.
• Wiper Blade Replacement: Very easy, just replace the old blades with new ones.

Best Left to a Professional Shop:

• Brake Fluid Flush: Requires specialized tools to bleed the system properly, and improper bleeding can lead to brake failure.
• Transmission Fluid Service: While a drain and fill is less complex than a full flush, ensuring the correct fluid type and level is critical, especially for CVTs.
• Spark Plug Replacement: Modern engines can have complex spark plug access, and incorrect installation can damage the engine. Torque specifications are critical.
• Coolant Flush: Proper disposal of old coolant is environmentally important, and ensuring all air is purged from the system after refilling is vital.
• Accessory Belt Replacement: Can be challenging due to tight spaces and tensioner mechanisms.
• Any diagnostic work: If your check engine light comes on or you notice unusual noises, a professional can pinpoint the issue accurately.

Book service on Repairius.