Fluid · Coolant
Coolant
for 2011 Cadillac STS 4.6L V8 Northstar · FWD
Fluid Type
Dex-Cool orange extended life 50/50
Spec: GM 6277M or DEX-COOL
Capacity
12qt
11.35 L
Drain & Refill
12 qt
11.35 L
Change Interval
150,000 mi
241,350 km
Notes
First change at 150k miles, then every 5 years/150k miles. Northstar requires attention to coolant level
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