Fluids Capacities and Specifications

Engine Oil Capacities
Crankcase
2.2L	4.5 quarts	(4.3 L)
4.3L	4.5 quarts	(4.3 L)
Automatic Transmission Fluid Capacities
Automatic Transmission
Drain and Refill	5.0 quarts	(4.7 L)
Cooling System Capacity
Cooling System
2.2L Engine	9.9 quarts	(9.4 L)
4.3L Engine
With Automatic Transmission	13.8 quarts	(13.1 L)
With Manual Transmission	14.1 quarts	(13.3 L)
Fuel Tank Capacities
Fuel Tank
Regular/Extended Cab	18.0 gallons	(70.0 L)
Crew Cab	17.5 gallons	(67.4 L)
Air-conditioning Capacities
Air Conditioning Refrigerants Capacity	1.8 pounds	(0.79 kg)
R-134a
Tires Nuts Torques
Tires Nut Torque	100 lb·ft	(140 N·m)
Front Axle Oil Capacities
Front Axle Differential	2.6 pints	(1.2 L)
Rear Axle Oil Capacities
Rear Axle Differential	4.0 pints	(1.9 L)

Many people saved thousands of dollars by doing some technical service procedures for their 2003 GMC Trucks Sonoma by themselves. The easiest type of technical maintenance is changing engine oil, axles oil, manual and automatic transmission oil. Changing break fluid in 2003 GMC Trucks Sonoma is also is a simple task. If you want to change engine oil, for instance, by yourself and save a couple of bucks you need to know how much this fluid engine oil is needed for 2003 GMC Trucks Sonoma. If you fill engine or axles of your car with oil to the brim it may damage your vehicle engine or axles and void manufacturer warranty. Good news! We have this information and we give it to you for free.

Note: all capacities are approximate. When adding, be sure to fill to the appropriate level, as recommended in user manual for your 2003 GMC Trucks Sonoma. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Note: not all air conditioning refrigerants are the same. If the air conditioning system in your vehicle needs refrigerant, be sure the proper refrigerant is used. If you're not sure, ask your dealer.

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