2008 Cadillac STS Coolant
2008 Cadillac STS coolant for each version, from the owner's manual with page references. Values differ by version; see each version.

Depends on your version. Choose yours, or compare them here.
- 3.6L Engine 12.1 qt capacity
- 4.4L (V-Series) Engine 13.4 qt capacity
- 4.6L Engine 12.5 qt capacity
12.1qt
Capacity · 3.6L Engine
13.4qt
Capacity · 4.4L (V-Series) Engine
12.5qt
Capacity · 4.6L Engine
2008 Cadillac STS Owner's Manual, PDF page 446
12.1 qtOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Coolant (capacity) · 3.6L Engine · PDF page 446
12.1 qt
Coolant (capacity) · 4.4L (V-Series) Engine · PDF page 446
13.4 qt
Coolant (capacity) · 4.6L Engine · PDF page 446
12.5 qt
2008 Cadillac STS Owner's Manual, PDF page 446
12.1 qtOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Coolant (capacity) · 3.6L Engine · PDF page 446
12.1 qt
2008 Cadillac STS Owner's Manual, PDF page 446
13.4 qtOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Coolant (capacity) · 4.4L (V-Series) Engine · PDF page 446
13.4 qt
2008 Cadillac STS Owner's Manual, PDF page 446
12.5 qtOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Coolant (capacity) · 4.6L Engine · PDF page 446
12.5 qt

See every quote (3 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 3.6L Engine | 12.1 qtcapacity | “12.1 qt” | PDF page 446 ↗ |
| 4.4L (V-Series) Engine | 13.4 qtcapacity | “13.4 qt” | PDF page 446 ↗ |
| 4.6L Engine | 12.5 qtcapacity | “12.5 qt” | PDF page 446 ↗ |
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