Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2018 Honda Civic Ex T Fluid Capacities
OEM fluid capacity chart from the factory service manual for the 2018 (2018).
Quick Answer
Air Cond Compressor Oil
β RL85HM (POE) Note: Capacity is between: 2.60 - 3.50 ozs.
Automatic Transmission Fluid (1.5L Eng,Coupe)
3.90 QTS. (3.69 L) β HONDA HCF-2 Transmission Fluid
Brake Fluid
β HONDA Heavy Duty Brake Fluid DOT 3
Engine Coolant (1.5L Eng,Coupe,Automatic CVT Trans)
1.34 GALS. (5.07 L) β HONDA Long-Life Antifreeze/Coolant Type 2 Note: 50/50 with distilled water. Change including the remaining 0.46 qt. in the reserve tank.
Engine Oil (1.5L Eng,Coupe)
3.40 QTS. (3.21 L) β Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil Note: You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade.
Engine Coolant (1.5L Eng,Coupe,Standard Trans)
1.32 GALS. (4.99 L) β HONDA Long-Life Antifreeze/Coolant Type 2 Note: 50/50 with distilled water. Change including the remaining 0.46 qt. in the reserve tank.
Automatic Transmission Fluid (1.5L Eng,Sedan)
3.90 QTS. (3.69 L) β HONDA HCF-2 Transmission Fluid
Engine Coolant (1.5L Eng,Sedan,Automatic CVT Trans)
1.34 GALS. (5.07 L) β HONDA Long-Life Antifreeze/Coolant Type 2 Note: 50/50 with distilled water. Change including the remaining 0.46 qt. in the reserve tank.
Engine Oil (1.5L Eng,Sedan)
3.40 QTS. (3.21 L) β Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil Note: You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade.
Manual Transmission Fluid (1.5L Eng,Sedan)
2.00 QTS. (1.89 L) β HONDA Manual Transmission Fluid
Engine Coolant (1.5L Eng,Sedan,Standard Trans)
1.32 GALS. (4.99 L) β HONDA Long-Life Antifreeze/Coolant Type 2 Note: 50/50 with distilled water. Change including the remaining 0.46 qt. in the reserve tank.
Notes
- βCapacity is between: 2.60 - 3.50 ozs.
- β50/50 with distilled water. Change including the remaining 0.46 qt. in the reserve tank.
- βYou may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade.
- βFollow the Manufacturer's Instructions for the mixture ratio.
This vehicle's factory manual
2018 Honda Civic Ex T: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Related for Your 2018 Honda Civic Ex T
Frequently Asked Questions
- What are the fluid capacities for a 2018 Honda Civic Ex T?
- The 2018 Honda Civic Ex T fluid capacities are: Air Cond Compressor Oil: β RL85HM (POE) Note: Capacity is between: 2.60 - 3.50 ozs., Automatic Transmission Fluid (1.5L Eng,Coupe): 3.90 QTS. (3.69 L) β HONDA HCF-2 Transmission Fluid, Brake Fluid: β HONDA Heavy Duty Brake Fluid DOT 3, Engine Coolant (1.5L Eng,Coupe,Automatic CVT Trans): 1.34 GALS. (5.07 L) β HONDA Long-Life Antifreeze/Coolant Type 2 Note: 50/50 with distilled water. Change including the remaining 0.46 qt. in the reserve tank., Engine Oil (1.5L Eng,Coupe): 3.40 QTS. (3.21 L) β Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil Note: You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade., Engine Coolant (1.5L Eng,Coupe,Standard Trans): 1.32 GALS. (4.99 L) β HONDA Long-Life Antifreeze/Coolant Type 2 Note: 50/50 with distilled water. Change including the remaining 0.46 qt. in the reserve tank., Automatic Transmission Fluid (1.5L Eng,Sedan): 3.90 QTS. (3.69 L) β HONDA HCF-2 Transmission Fluid, Engine Coolant (1.5L Eng,Sedan,Automatic CVT Trans): 1.34 GALS. (5.07 L) β HONDA Long-Life Antifreeze/Coolant Type 2 Note: 50/50 with distilled water. Change including the remaining 0.46 qt. in the reserve tank., Engine Oil (1.5L Eng,Sedan): 3.40 QTS. (3.21 L) β Genuine HONDA Motor Oil 0W-20 or API premium grade - SAE 0W-20 Detergent Oil Note: You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade., Manual Transmission Fluid (1.5L Eng,Sedan): 2.00 QTS. (1.89 L) β HONDA Manual Transmission Fluid, Engine Coolant (1.5L Eng,Sedan,Standard Trans): 1.32 GALS. (4.99 L) β HONDA Long-Life Antifreeze/Coolant Type 2 Note: 50/50 with distilled water. Change including the remaining 0.46 qt. in the reserve tank..
- How much engine oil does a 2018 Honda Civic Ex T take?
- Engine oil capacity depends on the engine and whether the filter is changed. Check the applicable manual for your exact vehicle and service procedure before filling.
