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.
1998 Audi A8Coolant Type & Capacity
OEM spec from the factory service manual for the Base variant.
Quick Answer
Coolant Type
See manual
Capacity
9.50 QTS.
8.99 L
Variant
Base
Note: The cooling system has been filled at the factory with permanent coolant which DOES NOT need to be changed.
The coolant consists of a mixture of water and the manufacturer's coolant additive G 12 A8DTL 774 D - antifreeze on glycol basis with 50% anti-corrosive additives.
Source: Factory service manual — 1998 Audi A8 Base. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of coolant does a 1998 Audi A8 take?
- The 1998 Audi A8 uses an OEM-specified coolant. Refer to the factory service manual for the exact type, as it varies by engine variant.
- How much coolant does a 1998 Audi A8 hold?
- The 1998 Audi A8 cooling system capacity is 9.50 QTS. (8.99 L).
- Can I use universal coolant in my 1998 Audi A8?
- Always use coolant that meets the OEM specification for your engine. Universal coolants may not provide adequate corrosion protection.
- What happens if I use the wrong coolant in my 1998 Audi A8?
- 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.