Its always easy to Saturday-afternoon-quarterback GMs ineptitude, but this one seems particularly open to criticism.
I was a liberal-arts major, but I figure the answer is About 6400.
I did both differentials, crankcase transfer case.Like the other gee-whiz, industry-exclusive system debuted at about the same time Delphis Quadrasteer, which was a 5,995 option on trucks during the same period but eventually ended up being discounted wide tile maker windows 8 to a third of that before being discontinued shortly after Pro-Tec it was.Ironically, better emissions didn't help the LLY's fuel economy.GM says it has to do a better job of marketing Pro-Tec.Internet Brands Automotive Group.This is a harsh reminder of what every so-called industry expert should remember: the customers for GM, Ford, Toyota, et al arent people, they are dealers.GM had a good thing going with the original LB7 Duramax emergency 4 delux mods engine, so they wisely decided to keep changes to a minimum when they introduced the new 310HP.6L Duramax LLY in 2004.
Were just not getting enough dealers to take their first one.
I bought the autotrac fluid from GM since I have a pushbutton rather than a manual control.