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Use a strap wrench around the base.
A 93 model does not have a cabin filter. SORRY
5 QTS. with new filter
Depends on the brand of oil filter. Any place that sells for filters can tell you correct size.
No cabin filter...
Grab the filter with your hand or a filter wrench and turn counterclockwise.
How do you replace a radiator in a 1993 suburban?
if it POURS out, check drain plug, oil filter and oil pressure sending unit
Turn it counter clockwise with an oil filter wrench.
You have to drain/remove the "transmission" oil pan to get access to the filter.
Remove transmission oil pan for acces to filter Replace fluid, filter, and gasket
remove air filter and air filter box and then you can get to starter dont forget to disconnect battery