Check the water pump. If the water pump bearing is worn out there will be a streak of antifreeze leaking from the bottom of the input shaft.
Another prime area for coolant leaks is the intake manifold gaskets. The original gaskets fail at the front corners where the intake manifold meets the heads.
heater core???
Either a heater hose or a leak at the intake manifold
Hi, Head gasket is leaking, allowing oil to enter cooling system. Peace, crigby
Need to check the back to corners on the intake, they our none for leaking. There is 2 freeze plugs in the back of engine between the bell houseing and block.
how many gallons of antifreeze in a 2003 blazer radiator with a/c
same thing happened to me. it is the antifreeze return line. rubber hose. access the oil filter spot and connects radiator to water pump i think.
Any brand of antifreeze can be used in a 1998 Chevrolet Blazer. It is recommended that a person uses 50 50 antifreeze.
If it is a vortec engine, it is probably the lower intake manifold gasket. In most cases you can smell it when the engine is hot.
If the Blazer is gasoline powered the antifreeze can be any kind that is for sale for gasoline powered vehicles.
In the radiator.
Dexcool
not sure how that is unless its leaking from somewhere else and draining down the back...all hose and coolant are in the fron or the side...at least on my 1997 blazer. try putting water in and let it warm up...then check all hose and especially water pump..had a big problem with that on my suburban..did the same leaked from the rear of the engine...hope this helps