Section 204 (ENGINE CONTROLS - SERVICE & ADJUSTMENT SPECIFICATIONS - 6.6L Diesel): Capacities

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

FLUID CAPACITY (CRANKCASE) ⁽¹⁾

Application

⁽²⁾ Quantity Qts. (L)

All Models

10.0 (9.5)

⁽¹⁾	Fluid capacities listed are approximate. Always fill to FULL mark.

⁽²⁾	Includes oil filter capacity.

FLUID CAPACITY (COOLING SYSTEM) ⁽¹⁾

Application

⁽²⁾ Quantity Qts. (L)

All Models

20.7 (19.5)

⁽¹⁾	Fluid capacities listed are approximate. Always fill to FULL mark.

⁽²⁾	Includes heater.

FLUID CAPACITY (AUTOMATIC TRANSMISSION) ⁽¹⁾

Application

⁽²⁾ Quantity Qts. (L)

Allison 1000 Series

7.4 (7.0)

4L60-E

5.0 (4.7)

4L80-E

7.7 (7.3)

⁽¹⁾	Fluid capacities listed are approximate. Always fill to FULL mark with Dexron-III, unless specified otherwise.

⁽²⁾	Drain and refill capacity only. Does not include torque converter, unless specified otherwise.

FLUID CAPACITY (MANUAL TRANSMISSION) ⁽¹⁾

Application

Quantity Pts. (L)

NV3500

⁽²⁾ 4.8 (2.3)

NV4500

⁽³⁾ 8.0 (3.8)

ZF S6-650

⁽⁴⁾ 12.6 (6.0)

⁽¹⁾	Fluid capacities listed are approximate. Always fill to FULL mark.

⁽²⁾	Synchromesh Transmission Fluid (GM 12345349).

⁽³⁾	SAE 75W-85 GL4 gear oil or GM Synthetic Lubricant (GM 12346190).

⁽⁴⁾	TranSynd(tm) Synthetic ATF (GM 12378515).