Safety Warning
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.
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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1458 (MAINTENANCE AND LUBRICATION)SPECIFICATIONSAPPROXIMATE FLUID CAPACITIES
2006 Chevrolet Suburban C2500, 6.0 U
Approximate Fluid Capacities
2006 Chevrolet Suburban C2500, 6.0 USECTION Approximate Fluid Capacities
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
See Fluid and Lubricant Recommendations (USA and Canada) for more information. All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level after filling.
| Application | Specifications | |
|---|---|---|
| Metric | English | |
| Axle Capacities | ||
|
1.43 liters | 1.51 quarts |
|
1.73 liters | 1.83 quarts |
|
2.03 liters | 2.15 quarts |
|
2.6 liters | 2.75 quarts |
|
2.6 liters | 2.75 quarts |
|
2.6 liters | 2.75 quarts |
|
3.0 liters | 3.17 quarts |
|
3.0 liters | 3.17 quarts |
| Cooling System | ||
|
15.6 liters | 16.5 quarts |
|
16.0 liters | 16.9 quarts |
|
16.0 liters | 16.9 quarts |
|
15.9 liters | 16.8 quarts |
|
16.4 liters | 15.5 quarts |
|
13.7 liters | 14.4 quarts |
|
16.7 liters | 17.6 quarts |
|
23.4 liters | 24.7 quarts |
| 2 Mode Hybrid Drive Motor Generator Control Module | 2.7 liters | 2.9 quarts |
| Engine Oil with Filter | ||
|
4.3 liters | 4.5 quarts |
|
5.7 liters | 6.0 quarts |
|
9.5 liters | 10.0 quarts |
| Fuel Tank | ||
|
98.0 liters | 26.0 gallons |
|
128.7 liters | 34.0 gallons |
|
98.0 liters | 26.0 gallons |
|
128.7 liters | 34.0 gallons |
|
189.0 liters | 50.0 gallons |
|
102.0 liters | 27.0 gallons |
|
87.0 liters | 23.0 gallons |
| Automatic Transmission Fluid - 4L60-E/4L65-E/4L70-E | ||
|
4.7 liters | 5 quarts |
|
10.6 liters | 11 quarts |
|
11.50 liters | 12.1 quarts |
| Automatic Transmission Fluid - 6L80-E/6L90-E | ||
|
5.7 liters | 6.0 quarts |
|
9.9 liters | 10.5 quarts |
|
11.7 liters | 12.4 quarts |
|
6.0 liters | 6.3 quarts |
|
9.9 liters | 10.5 quarts |
|
11.7 liters | 12.4 quarts |
| Automatic Transmission Fluid - Allison | ||
|
12 liters | 12.7 quarts |
|
7 liters | 7.4 quarts |
| Automatic Transmission Fluid - 2ML70 | ||
|
9.93 liters | 10.5 quarts |
|
10.88 liters | 11.5 quarts |
|
12.30 liters | 13 quarts |
| Manual Transmission | ||
|
3.5 liters | 3.7 quarts |
|
4.4 liters | 4.6 quarts |
| Transfer Case Fluid | 1.5 liters | 1.6 quarts |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.