2021 GMC Sierra 1500 Owners Manual - Vehicle Data

Application

Capacities

Metric

English

Air Conditioning Refrigerant

For the air conditioning system refrigerant type and charge amount, see the refrigerant label under the hood. See your dealer for more information.

Engine Cooling System*

2.7L L4 Engine (L3B)

11.8 L

12.4 qt

4.3L V6 Engine (LV3)

11.5 L

12.2 qt

5.3L V8 Engine (L82)

12.8 L

13.5 qt

5.3L V8 Engine (L84)

13.1 L

13.8 qt

6.2L V8 Engine (L87)

12.6 L

13.3 qt

Application

Capacities

Metric

English

Engine Oil with Filter

2.7L L4 Engine

5.7 L

6.0 qt

4.3L V6 Engine

5.7 L

6.0 qt

5.3L V8 Engine

7.6 L

8.0 qt

6.2L V8 Engine

7.6 L

8.0 qt

Fuel Tank

Standard and Short Box (except 2WD Diesel)

90.8 L

24.0 gal

Standard and Short Box (2WD Diesel)

83.3 L

22.0 gal

Long Box

107.1 L

28.3 gal

Transfer Case Fluid

1.5 L

1.6 qt

Wheel Nut Torque

190 Y

140 lb ft

Application

Capacities

Metric

English

All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level after filling.

*Engine cooling system capacity values are based on the entire cooling system and its components.

Engine

VIN Code

Spark Plug Gap

2.7L L4 (L3B)

K

0.65–0.75 mm (0.026–0.030 in)

4.3L V6 (LV3)

H

0.95–1.10 mm (0.037–0.043 in)

5.3L V8 (L82)

F

0.95–1.10 mm (0.037–0.043 in)

5.3L V8 (L84)

D

0.95–1.10 mm (0.037–0.043 in)

6.2L V8 (L87)

L

0.95–1.10 mm (0.037–0.043 in)

Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage the spark plug.