Originally Posted by willg
How is the return line run from the factory? I haven't been able to figure out where mine returns to the engine, there is definitely not a y return line in the raw water inlet. I haven't invested much time into the source of no heat, I never need the heater, but it blows cool air at every speed.
The Y into the raw water hose is an after-market thing. On my current boat the return line goes into the water pump RH side.
2005 X2, Viper Red, MCX, OJ TZ-X5 prop, PPass, rear 750 sacs, KGB, IBS, Bennett Wake Plate, custom wake shaper
(previous) 2001 X5, 1991 TriStar 190