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.
2000 Buick LeSabreCoolant Type & Capacity
OEM spec from the factory service manual for the Custom, 4T65E/M15 variant.
Quick Answer
Coolant Type
50/50 mixture of DEX-COOL and clean drinkable water
Capacity
13.00 QTS.
12.3 L
Variant
Custom, 4T65E/M15
Source: Factory service manual — 2000 Buick LeSabre Custom, 4T65E/M15. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of coolant does a 2000 Buick LeSabre take?
- The 2000 Buick LeSabre requires 50/50 mixture of DEX-COOL and clean drinkable water. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Custom, 4T65E/M15 configuration.
- How much coolant does a 2000 Buick LeSabre hold?
- The 2000 Buick LeSabre cooling system capacity is 13.00 QTS. (12.3 L).
- Can I use universal coolant in my 2000 Buick LeSabre?
- It is strongly recommended to use coolant that meets the 50/50 mixture of DEX-COOL and clean drinkable water 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 2000 Buick LeSabre?
- 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.