How hard is it to replace the glow plugs. My check engine light came on and the dealer said it's the #1 glow plug. They said they will need the truck for a few days to replace it. Is it really that big of a job?
A month ago I bought a 2020 GMC Denali 3.0L. Lovin it so far and the fuel milage is great. I use to have a 07.5 Chevy 3/4 Duramax, but I don't tow anything heavy enough for that anymore. This 1/2 ton does just fine towing my boat. I live in N. Idaho so we'll see how it does during the cold...