It should say it on the oil cap.......5w30.
5w-30
The recommended oil type for a 1973 Chevy 454 engine is 10w-30. This provides a good balance of lubrication and viscosity.
For a 2003 Chevy Suburban (all engine sizes), the recommended viscosity is 5W30.
The "recommended" vicosity oil is 20w50, but check with a shop other viscosity oil may be used.
Check the oil filler cap or the owners manual for recommended viscosity.Check the oil filler cap or the owners manual for recommended viscosity.
5W30 oil.
10w40
Use the viscosity and grade recommended in your owners manual. The recommended viscosity is probably also printed on the oil cap.
30w
what type of oil is recommended for a 2008 chevy tahoe
5w305w30
5W30 recommended