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.
2004 Lexus ISCoolant Type & Capacity
OEM spec from the factory service manual for the Base, Automatic variant.
Quick Answer
Coolant Type
TOYOTA Super Long Life Coolant or equivalent
Capacity
7.90 QTS.
7.47 L
Variant
Base, Automatic
Note: DO NOT use plain water alone.
Source: Factory service manual — 2004 Lexus IS Base, Automatic. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of coolant does a 2004 Lexus IS take?
- The 2004 Lexus IS requires TOYOTA Super Long Life Coolant or equivalent. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Base, Automatic configuration.
- How much coolant does a 2004 Lexus IS hold?
- The 2004 Lexus IS cooling system capacity is 7.90 QTS. (7.47 L).
- Can I use universal coolant in my 2004 Lexus IS?
- It is strongly recommended to use coolant that meets the TOYOTA Super Long Life Coolant or equivalent specification. Universal coolants may not provide the correct corrosion protection for your engine's materials.
- What happens if I use the wrong coolant in my 2004 Lexus IS?
- Using coolant that does not meet the OEM specification can cause corrosion, gasket damage, and overheating. Always verify the correct coolant type before topping off or flushing the system.