You did not say what year it was but I hope this covers it. 1988-2012 should have 10W30 in the HOT months and 5W30 in the cold months. Any heavier oil will burn the roller valve train up in time. Anything under 1988 you can run whatever you want in it.
what weight oil used for 2004 Chevy silverado the standered is usually 5 w 30
10w-30
5W30 weight in the winter months and 10W30 in the hot months.
What's the curb weight of 2002 Chevy Silverado 1500 LT , Z-71
"Where is the oil plug located for a 2008 Chevy silverado ext cab?"
5W30 oil.
In the oil pan
How much oil does a 93 Chevy truck hold
5W30 in the winter and 10W40 In the summer. CAN"T be any heaver are it will burn the valvetrain up.
It will be in the bottom of the oil pan.
3524 pounds
10w30 synthetic