Mercruiser I/O Very Hot

[Emptypckts]

Hi Guys:<br />I have a mercruiser 4cyl. There are two ribbed hoses that hook from the outdrive to the transon mounting plate. The bottom hose burned completely thru. I don't know why. Does anyone know what this hose is for? Is it an exhaust hose? And is that why the motor got hot? Like I said it is the bottom hose the top hose is fine but I will replace both to be safe. Are there any other areas I should check? Or does this just happen when that hose fails?<br />Thanks<br />P.S Been reading other posts this is a Great Forum (YOU GUYS ROCK)for all the information and time you give to your fellow boaters.

 

[DJ]

Re: Mercruiser I/O Very Hot

Empty,<br /><br />The part you ae describing is the exhaust bellows. It would not make your engine hot but a hot engine (exhaust) could burn it through.<br /><br />You have some cooling issues that need to be addressed.

 

[flashback]

Re: Mercruiser I/O Very Hot

Djohn has a thought, if you burned up your exahaust bellows, you probably have a cooling problem an are ****ed lucky you did't burn up your engine........

 

[MrBill]

Re: Mercruiser I/O Very Hot

I assume that you are referring to the Exhaust Elbow Bellows, because only early V8 Mercruiser Alpha One models used a lower exhaust bellows in the gimbal housing. Later models use a water tube to avoid failure from chafing, but you did not indicate year or outdrive type.<br /><br />In any case, it is not being properly cooled, no doubt from a failed water pump impeller in the lower unit. If you'd like to provide more info I'm sure myself or others could isolate your problem a little more.

 

[Valv]

Re: Mercruiser I/O Very Hot

Good luck changing the bellows, I just did it yesterday and that was a 1 afternoon CUSSING in every language job....<br />I bet there are many Mercruiser engineers that didn't sleep well last night after my words.<br />My wife took all children inside and away.<br />One suggestion, I had a very very long needlenose plyer, it did come very handy to install drive end, grabbing rubber boot over fitting.