Most all engines have block drains for coolant. If they are reasonably accessible or not is the probelm.
A 1999 Chevrolet Tahoe will take approximately 16 quarts of coolant. The coolant can be purchased at any auto parts store such as Auto Zone.
The best way is to use a coolant flush machine, as it takes fluid out, it puts back in the same amount. This way the system does not get air bound.
I believe you mean suburban, It has a 4.3 L engine with a timing chain. Chevrolet didn't badge the Tahoe until 1995.
Chevrolet Tahoe was created in 1992.
You have a blown / leaking wheel cylinder. Replace wheel cylinder.
Threads into a coolant passage at the front of the engine near the thermostat housing.
The 2015 Chevrolet Tahoe has a V8 engine.
The 2012 Chevrolet Tahoe has 16 valves.
The 2007 Chevrolet Tahoe has 16 valves.
The 2013 Chevrolet Tahoe has 16 valves.
The 2001 Chevrolet Tahoe has a V8 engine.
The 2004 Chevrolet Tahoe has a V8 engine.