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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.
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.
why is my 1997 chev blazer over heating
If the Blazer is gasoline powered the antifreeze can be any kind that is for sale for gasoline powered vehicles.
Bad head gasket or... Crack in exhaust port in head. Check exhaust for presence of antifreeze smell or exhaust gas in radiator.
In the radiator.