I have a 07 gmc sierra classic with a 4.8l V8. I changed the oil 7000 miles ago with 5/30 pennzoil Platinum? Should I change the oil or wait for the oil change monitor to come on? I getting a little nervous. Thanks.
Hey all just wanna ask if you think it would be benneficial to change out the rear end fluid on my 07 gmc sierra classic? I know it already has synthetic from the factory but if theres better oil out there I'd like to change it. thanks.
These part store guys need to learn more about what theyre selling. I went in AAP last week to buy some PP and a filter and wanted a pure one filter. Well they didnt have one for mine so I got the regular purolator, and the parts guy says "you dont need the pure one anyway, it has teflon or...