Coolant

1991-1996 Buick Roadmaster 5.7L V8

Related Service:1 hours

ACDelco DEX-COOL (Orange)

GM 12346290 / OAT

Total Capacity

18 qt / 17.03 L

Drain & Refill

10 qt / 9.46 L

Change Interval

100,000 mi / 160,000 km

Notes

Use pre-mixed or mix 50/50 with distilled water

This specification is estimated based on manufacturer patterns. Help us verify it!

Other Fluid Systems

1990-1996 2.5L I4

1990-1996 3.3L V6

1997-2005 3.1L V6

2008-2017 3.6L V6

2018-2024 3.6L V6

2013-2024 1.4L Turbo I4

2020-2024 1.2L Turbo I3

2020-2024 1.3L Turbo I3

The 1991-1996 Buick Roadmaster 5.7L V8 uses ACDelco DEX-COOL (Orange) (GM 12346290 / OAT) for the coolant.

The coolant capacity for the 1991-1996 Buick Roadmaster 5.7L V8 is 18 quarts (17.03 liters). Drain and refill capacity is 10 quarts (9.46 liters).

The recommended coolant change interval for the 1991-1996 Buick Roadmaster is every 100,000 miles (160,000 km).