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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 A6Coolant Type & Capacity
OEM spec from the factory service manual for the Avant Quattro, 2.8 A variant.
Quick Answer
Coolant Type
See manual
Capacity
9.00 QTS.
8.51 L
Variant
Avant Quattro, 2.8 A
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 A6 Avant Quattro, 2.8 A. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of coolant does a 1998 Audi A6 take?
- The 1998 Audi A6 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 A6 hold?
- The 1998 Audi A6 cooling system capacity is 9.00 QTS. (8.51 L).
- Can I use universal coolant in my 1998 Audi A6?
- 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 A6?
- 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.