Engine Controls - Service & Adjustment Specifications - 8.1L: Capacities

FLUID CAPACITY (CRANKCASE) ⁽¹⁾

Application

⁽²⁾ Quantity Qts. (L)

All Models

6.5 (6.2)

⁽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)

Avalanche, Suburban & Yukon XL

14.4 (13.7)

Sierra & Silverado

A/T

20.7 (19.6)

M/T

21.1 (20.0)

⁽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

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.

FLUID CAPACITY (MANUAL TRANSMISSION) ⁽¹⁾

Application

Quantity Pts. (L)

Sierra & Silverado

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 Synthetic Lubricant (GM 12346190).

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

FLUID CAPACITY (TRANSFER CASE) ⁽¹⁾

Application

Quantity Qts. (L)

Avalanche, Suburban & Yukon XL

Borg Warner 4481

⁽²⁾ 1.5 (1.4)

Borg Warner 4482

⁽²⁾ 1.5 (1.4)

New Venture 149

⁽²⁾ 2.2 (2.1)

New Venture 246

⁽³⁾ 2.0 (1.9)

Sierra & Silverado

New Venture 149

⁽²⁾ 2.2 (2.1)

New Venture 246

⁽³⁾ 2.0 (1.9)

New Venture 261

⁽²⁾ 2.0 (1.9)

New Venture 263

⁽²⁾ 2.0 (1.9)

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

⁽²⁾	Dexron-III.

⁽³⁾	AUTO-TRAK II Fluid (GM 12378508).