How much coolant does a 2006 Toyota Tacoma take?
The cooling system in a 2006 Toyota Tacoma holds roughly 7.5–8.0 quarts (about 7.1–7.6 liters) for the 2.7-liter inline-four, and about 11.0–12.0 quarts (roughly 10.4–11.4 liters) for the 4.0-liter V6. Exact capacity can vary with radiator size, heater core routing, and whether you’re counting the reservoir as part of the fill.
Understanding the exact coolant requirement matters for maintenance tasks such as draining and flushing, or when topping off after repairs. Toyota’s cooling system is pressurized and relies on the correct coolant type and mix to prevent corrosion, freezing, and overheating. The figures below reflect the two common engine configurations offered in the 2006 Tacoma.
Coolant capacity by engine option
Here are the typical ranges you can expect for a full system fill, depending on which engine is under the hood.
- 2.7-liter inline-four: approximately 7.5–8.0 quarts (7.1–7.6 liters).
- 4.0-liter V6: approximately 11.0–12.0 quarts (10.4–11.4 liters).
These ranges cover a complete refill of the cooling circuit, including the radiator, engine block, and heater core, but do not replace the exact specification printed on your vehicle’s label or in the owner's manual.
Notes on refill and maintenance
When refilling, Toyota generally recommends a 50/50 mix of ethylene glycol antifreeze and distilled water unless you use a premixed Toyota Long Life Coolant. Use the correct type to avoid corrosion or cooling problems, and never mix incompatible coolants. Always let the engine cool before opening the radiator cap, and bleed the system if your model requires it to remove air pockets.
- Use Toyota-approved coolant or a widely compatible ethylene glycol coolant that matches the specification (look for 50/50 premix or concentrate with proper dilution).
- Never mix different coolant types or colors unless the manufacturer approves it for your model.
- After a drain or flush, refill gradually and recheck the level once the thermostat cycles and the system reaches operating temperature.
If you’re unsure of the exact capacity for your specific Tacoma (VIN can affect the capacity due to equipment like a larger radiator or additional engine coolant lines), consult the owner's manual, a Toyota dealer, or a reputable repair guide for the exact specification.
Summary
In short, a 2006 Toyota Tacoma requires roughly 7.5–8 quarts of coolant for the 2.7L engine and about 11–12 quarts for the 4.0L engine. Use the recommended coolant type, mix accurately, and verify the exact specification for your vehicle if in doubt. Regular maintenance and proper bleeding/air removal help maintain cooling efficiency and engine longevity.
How much coolant does a 2005 Toyota Tacoma hold?
The 2005 Toyota Tacoma coolant capacity is 10.1 US quarts for automatic (AT) and 10.2 US quarts for manual transmission (MT) models with the 4.0L engine. For the 3.4L V6, it is approximately 3 gallons, but this can vary.
Coolant capacity for the 4.0L engine
- Automatic Transmission (AT): 10.1 US quarts (9.6 L)
- Manual Transmission (MT): 10.2 US quarts (9.7 L)
Coolant capacity for the 3.4L engine
- Total system capacity: Approximately 3 gallons, though this can vary.
- Note: For any vehicle, consulting the owner's manual or performing a full flush and refill is the most accurate way to determine the exact capacity.
You can watch this video to learn how to reset the maintenance required light after an oil and filter change on a 2005 Toyota Tacoma: 45sWillow’s World of DIYYouTube · Nov 27, 2019
How many gallons of antifreeze does a Toyota Tacoma take?
The Toyota Tacoma's coolant capacity varies by model year and engine, but it is approximately 6.2 quarts for 2.7L four-cylinder or 3.5L V6 engines and 10.3 to 10.7 US quarts for 1st generation 3.4L V6 engines. Always check your specific owner's manual for the most accurate information for your vehicle.
You can watch this video to learn how to drain and fill the coolant in a 3rd generation Toyota Tacoma: 58sTeam Oil DropYouTube · Dec 29, 2022
- 1st generation 3.4L V6 engines:
- 2WD with manual transmission: 10.3 US quarts (10.3 L10.3 L10.3 L)
- 4WD or PreRunner with automatic transmission: 10.5 US quarts (10.0 L10.0 L10.0 L)
- 4WD or PreRunner with manual transmission: 10.7 US quarts (10.1 L10.1 L10.1 L)
- Later models (2.7L 4-cylinder or 3.5L V6):
- Approximately 6.2 quarts
Important: For precise information, always consult your owner's manual or contact a Toyota dealer.
How many quarts does a 2006 Toyota Tacoma take?
5.5 quarts (with filter).
What coolant does a 2006 Toyota Tacoma take?
Prestone MAX. 56/44 prediluted antifreeze coolant.
