Suspect blowed head gasket or not so smart person putting oil in instead of antifreeze
It is up by the front bumper, Close to the radiator.
You have a blown head gasket or a cracked head.
The oil filter is located on the side of the engine facing the radiator
how many gallons of antifreeze in a 2003 blazer radiator with a/c
There is an access door at the front bottom of the engine just below and aft of the radiator.
Yes, this is an acceptable weight for your Blazer. Do not fall for the 3,000 mile oil change myth. That is a waste of oil and money. Change your oil according to the manufactures recommendations. On your Blazer that is probably 5,000 miles. Use a quality filter such as an AC/Delco, Purolator, or Wix.
leaking oil cooler or headgasket, or block
In the front
Head gasket may be blown allowing oil to leak into the coolant chambers and be returned to the radiator
You need to drop the transmission oil pan to gain access to the screen.
It on the driver side right behing the headlight in the fender wall
Grab the filter with your hand or a filter wrench and turn counterclockwise.