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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.
1993 Buick RoadmasterCoolant Type & Capacity
OEM spec from the factory service manual for the Base variant.
Quick Answer
Coolant Type
50/50 mixture of Ethylene Glycol Base Antifreeze and water
Capacity
17.50 QTS.
16.56 L
Variant
Base
Note: GM Specification 1825-M.
This vehicle's factory manual
The coolant spec is above. This opens the fluids section of the 1993 Buick Roadmaster Base factory book.
Other specs:All specs
What You'll Need
Related for Your 1993 Buick Roadmaster
Frequently Asked Questions
- What type of coolant does a 1993 Buick Roadmaster take?
- The 1993 Buick Roadmaster requires 50/50 mixture of Ethylene Glycol Base Antifreeze and water. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Base configuration.
- How much coolant does a 1993 Buick Roadmaster hold?
- The 1993 Buick Roadmaster cooling system capacity is 17.50 QTS. (16.56 L).
- Can I use universal coolant in my 1993 Buick Roadmaster?
- It is strongly recommended to use coolant that meets the 50/50 mixture of Ethylene Glycol Base Antifreeze and 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 1993 Buick Roadmaster?
- 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.