How to winterize volvo penta 5.0 gxi for the off-season

Getting ready to winterize volvo penta 5.0 gxi engines always feels like a race against the first frost, but taking your time now saves you from a cracked block and a massive repair bill come springtime. If you've spent any time on the water, you know that the 5.0 GXi is a workhorse, but it's also an engine that doesn't handle freezing temperatures well if there's still water hiding in the cooling passages. ...

February 20, 2026 · 6 min · Britany Janaye