First, let me say I'm not mechanically inclined, and placing my faith in the shop doing some work, but have a few questions for the experts here (great site btw!).
Had my boat in last fall after impeller went bad. Shop replaced it, and the thermostat. Had the boat winterized and stored. This spring, took it out on the water 1st time and it overheated within 5 minutes WOT. Brought it down immediately to idle and temp normalized. Cobbled it back to shore at low wake speed to keep temp low. There was no other noticeable issues with the boat (like the knock I'll get to soon).
Brought it back to the shop and they said the hose was rock solid leading to impeller. After some work, they were able to fix it. Apparently, there was an issue with the wrong part on the top water hose that feeds through the therm housing (they said wrong part was put on there; I've never had any work done on the water pump until last fall - would they have replaced the therm housing with the therm?). Sorry guys, don't know the official name, but if you're facing the motor in the boat it's the water line running across the engine on the top and front of the motor.
So then I get it back and fixed after a few hundred dollars (mechanic cut me a deal on the labor, making me a bit suspicious that they felt like it could have been their fault), bring it on the lake (July and I can finally boat...MN summers are short enough as it is!), and get away from the dock at WOT only to hear a dreadful knock, and boat is real sluggish... Shut it down, bring it back to the launch. Now it's in the shop with a compression test (they did not do one prior to this) reading of 180, 20, 20, 180. They think head gasket. I fear worse.
My big question for all of ya - Am I being taken, or is it possible that circumstances just ended up causing problems with the gasket (hopefully that's all they'll find)? Would it really be possible to damage the HG if the engine ran hot and I shut it down right away? It wasn't red for more than a minute. Are there specific questions you can think of that I can ask to get to the bottom of what happened?
Had my boat in last fall after impeller went bad. Shop replaced it, and the thermostat. Had the boat winterized and stored. This spring, took it out on the water 1st time and it overheated within 5 minutes WOT. Brought it down immediately to idle and temp normalized. Cobbled it back to shore at low wake speed to keep temp low. There was no other noticeable issues with the boat (like the knock I'll get to soon).
Brought it back to the shop and they said the hose was rock solid leading to impeller. After some work, they were able to fix it. Apparently, there was an issue with the wrong part on the top water hose that feeds through the therm housing (they said wrong part was put on there; I've never had any work done on the water pump until last fall - would they have replaced the therm housing with the therm?). Sorry guys, don't know the official name, but if you're facing the motor in the boat it's the water line running across the engine on the top and front of the motor.
So then I get it back and fixed after a few hundred dollars (mechanic cut me a deal on the labor, making me a bit suspicious that they felt like it could have been their fault), bring it on the lake (July and I can finally boat...MN summers are short enough as it is!), and get away from the dock at WOT only to hear a dreadful knock, and boat is real sluggish... Shut it down, bring it back to the launch. Now it's in the shop with a compression test (they did not do one prior to this) reading of 180, 20, 20, 180. They think head gasket. I fear worse.
My big question for all of ya - Am I being taken, or is it possible that circumstances just ended up causing problems with the gasket (hopefully that's all they'll find)? Would it really be possible to damage the HG if the engine ran hot and I shut it down right away? It wasn't red for more than a minute. Are there specific questions you can think of that I can ask to get to the bottom of what happened?
