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  1. 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?

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