911 Watercooled Generations 1st Generation F-Series (1964 – 1973) 2nd Generation G-Series (1974 – 1989) 3rd Generation 964 (1989 – 1994) 4th Generation 993 (1994 – 1998) Quick Links F-Series Problems G-Series Problems 964 Problems 993 Problems Common Problems with Air-Cooled Porsche 911s: What Every Buyer and Owner Should Know The F-Series, G-Series, 964 & 993 f Other Handy 911 Articles No Subscription? You’re missing out Get immediate ad-free access to all our premium content. Get Started Already a Member? Sign in to your account here.
