Can you put digital dash in crown Vic if it has reg 1 and how?

I have a 2003, so depending on the year this may/may not be relevant... but for mine, I have to literally take everything else off. [I took it off to replace the stock head unit with a new CD player...

You must go to a service outlet. Without the proper equipment, you could damage the whole system by over charging it.

No not really. The engine should be at operating temp. and the system should be checked for any leaks, then the 134 can be added, but only the amount specified for the system. This is usually done in...

You have to remove the transmission to do this.

Yes