10W30 in winter. 20W50 in the hot months.
10w-30
The engine oil should be changed every 3000-5000 miles
"Where is the oil plug located for a 2008 Chevy silverado ext cab?"
what weight oil used for 2004 Chevy silverado the standered is usually 5 w 30
5w30
5W30 oil.
In the oil pan
How much oil does a 93 Chevy truck hold
It should hold 10 quarts.
It will be in the bottom of the oil pan.
10w30 synthetic
5W30 in the winter time. 10W30 is okay in HOT weather. Do not use any heaver oil then this are you will ruin the valve train.