2015 Cadillac CTS specs
Maintenance specs from the 2015 Cadillac CTS owner's manual. Open a spec for every version and the page it's printed on.
Engines covered: 2.0L L4 Engine (LTG), 3.6L V6 Engine (LFX), 3.6L V6 Engine (LF3)
Engine & fluids
Tires & wheels
Capacities & towing
Coolant
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 2.0L L4 Engine | 9.0 qtcapacity | “2.0L L4 Engine 8.5 L 9.0 qt” | PDF page 361 ↗ |
| 3.6L V6 Engine (LFX) | 11.9 qtcapacity | “3.6L V6 Engine (LFX) 11.3 L 11.9 qt” | PDF page 361 ↗ |
| 3.6L V6 Engine (LF3) | 13.5 qtcapacity | “3.6L V6 Engine (LF3) 12.8 L 13.5 qt” | PDF page 361 ↗ |
Lug nut torque
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| All versions | 110 lb ft | “Wheel Nut Torque 150 Y 110 lb ft” | PDF page 362 ↗ |
Spark plugs
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 2.0L L4 Engine (LTG) | 0.75–0.90 mm (0.030–0.035 in)gap | “0.75–0.90 mm (0.030– 0.035 in)” | PDF page 362 ↗ |
| 3.6L V6 Engine (LFX) | 0.95–1.10 mm (0.037–0.043 in)gap | “0.95–1.10 mm (0.037– 0.043 in)” | PDF page 362 ↗ |
Confirm with your own manual, dipstick or door-jamb label.
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