CenturyRide

Thanks. I just ended up taking the hose off of where it connects on the bottom of the boat and just put it straight up, then I put the hose inside it and turned it on full. That seemed to work, but even after running for 10 mins, I wasn’t able to get the boat past 140°. Which makes me not sure if the thermostat opened in the engine. After that I ran 5 gallons of marine antifreeze through it, just dumping each bottle directly into the hose. Since I’m not sure if the thermostat opened I just put a small heater in the engine compartment on nights that it gets close to freezing. Another thing that I noticed was that the check engine light came on for a second when I was running it with the hose, and there was light smoke coming from the exhaust most of the time. I’m wondering might have caused this? I suspect that it might have been some air that was getting into the system which might have been messing with the water pump and causing this. But that’s the only thing I could think of. Unless it was some other previous problem

So I recently got a 2012 avalanche. I’m trying to use the engine flush fake-a-lake on it, but it doesn’t seem to be working. The water is not coming out of the exhaust. So I shut it off immediately. I got the plunger from West Marine, and it seems like it was a little small, it doesn’t cover the opening all the way. I positioned the hose to be spraying directly into the intake, but still nothing. The boat was inspected and tested by a professional prior to purchase. So, I don’t think there’a something mechanically wrong. Unless it broke in the last month or so while standing at my house. Is the problem due to the plunger being too small? I’ve also seen some people attach a T to the intake line, but I’m a little confused where it should be attached. Should I attach it right at the point where the water comes into the hull? That line looks like it goes directly into the V drive, then from there to the engine. I’ve read some people attach it before the pump. But I don’t seem to be able to find the pump. Anyways any help would be appreciated. On a separate note, for the 2012 year, is there a standard avalanche model and a C4, and if so, how can you tell which one you have?