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.
1991 Jaguar XJCoolant Type & Capacity
OEM spec from the factory service manual for the 2D Convertible variant.
Quick Answer
Coolant Type
JAGUAR Antifreeze and Summer Coolant
Capacity
21.00 QTS.
19.87 L
Variant
2D Convertible
Note: If not available, use phosphate-free antifreeze conforming to Specification: BS6580. (Plain water must not be used).
Source: Factory service manual — 1991 Jaguar XJ 2D Convertible. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of coolant does a 1991 Jaguar XJ take?
- The 1991 Jaguar XJ requires JAGUAR Antifreeze and Summer Coolant. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the 2D Convertible configuration.
- How much coolant does a 1991 Jaguar XJ hold?
- The 1991 Jaguar XJ cooling system capacity is 21.00 QTS. (19.87 L).
- Can I use universal coolant in my 1991 Jaguar XJ?
- It is strongly recommended to use coolant that meets the JAGUAR Antifreeze and Summer Coolant 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 1991 Jaguar XJ?
- 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.