Fluids Capacities and Specifications

Engine Oil Capacities
Crankcase
VORTEC 5000 V8	5.0 quarts	(4.8 L)
VORTEC 5700 V8	5.0 quarts	(4.8 L)
VORTEC 7400 V8	6.6 quarts	(6.3 L)
Cooling System Capacity
Cooling System
VORTEC 5000 V8	17.5 quarts	(16.6 L)
VORTEC 5700 V8	17.5 quarts	(16.6 L)
VORTEC 7400 V8	25.0 quarts	(23.5 L)
VORTEC 7400 V8 w/3500 HD	28.5 quarts	(27.0 L)
Fuel Tank Capacities
Fuel Tank
With Short Bed	26 gallons	(98 L)
With Long Bed	34 gallons	(128 L)
Standard Crew Cab	34 gallons	(128 L)
Chassis-Cab
Front Tank	21 gallons	(79 L)
Rear Tank	18 gallons	(68 L)
3500 HD Models
Front Tank	21 gallons	(79 L)
Rear Tank	18 gallons	(68 L)
Tires Nuts Torques
Wheels Nuts Torque
C/K 1500 5 bolts (14 mm)	140 lb·ft	(190 N·m)
C/K 1500 and C/K 2500 6 bolts (14 mm)	140 lb·ft	(190 N·m)
C/K 2500 (w/C6P) 8 bolts (14 mm)	140 lb·ft	(190 N·m)
C/K 3500
Single Rear Wheels 8 bolts (14 mm)	140 lb·ft	(190 N·m)
Dual Rear Wheels 8 bolts (14 mm)	140 lb·ft	(190 N·m)
C 3500 HD
Front 5 bolts (5/8 in.)	175 lb·ft	(240 N·m)
Rear 10 bolts (5/8 in.)	175 lb·ft	(240 N·m)

Many people saved thousands of dollars by doing some technical service procedures for their 1999 GMC Trucks Sierra by themselves. The easiest type of technical maintenance is changing engine oil, axles oil, manual and automatic transmission oil. Changing break fluid in 1999 GMC Trucks Sierra 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 1999 GMC Trucks Sierra. 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 1999 GMC Trucks Sierra. 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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