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I hope it's that simple because that's an easy fix! I have unfortunately already replaced the thermostat with a new 160F one and am still tackling the same problem :\
Morning everyone, just as an update and rehash: I have replaced the impeller, removed every cooling hose, and backflushed. We were out over the weekend and it's still running GREAT at 2200-2300 RPM (temps 165-170). When I get on the throttle temps climb quickly until I come off the throttle...
Well I took every hose off that I could relatively easily get to and found a completed clogged line running from the bottom of the port manifold back to the water distribution pump, clogged completely full of sand. No impeller pieces found yet. I haven't been able to reach the power steering or...
Thank you Scott, excuse my ignorance on the backflushing. I've tried to dig around for info but it seems all over the place. What is the primary hose to pull for backflushing? I don't believe my engine has an oil cooler. I'm seeing recommendations to disconnect and shove the garden hose down...
Good Morning! I recently bought a 2003 Mercruiser 5.0L MPI with a Bravo 3 (prior use was all dry stack, last used 2 years ago), at the time it wasn't flowing any water through the exhaust and overheating within a few minutes on the hose so I took a gamble... I took it home, pulled the sea water...
