Could be,a stuck closed thermostat,
low on coolant which tells you have a leak in the system,
cooling fan(s) or fan clutch not operational,
debris blocking air flow thru radiator,
The 2005 Chevrolet Suburban has a V8 engine.
The 2005 Chevrolet Suburban has 16 valves.
The 2005 Chevrolet Suburban has a 4-speed automatic.
The 2005 Chevrolet Suburban has overhead valves (OHV).
The maximum payload of the 2005 Chevrolet Suburban is 1732 lbs..
The 2005 Chevrolet Suburban's turning circle is 43.0 ft..
The 2005 Chevrolet Suburban has a 22 degrees angle of departure.
The height of the 2005 Chevrolet Suburban is 6 ft. 1.6 in. (73.6 in.).
The curb weight of the 2005 Chevrolet Suburban is 5268 lbs..
The 2005 Chevrolet Suburban is 18 ft. 3.3 in. (219.3 in.) long.
The 2005 Chevrolet Suburban has a 25 degrees angle of approach.
The 2005 Chevrolet Suburban has 39.1 in. of rear leg room.