I want to replace the impeller on my outdrive, as I think it is causing overheating. When I drained the oil, it was creamy brown (the drain screw had significant particles of metal on it). I ran into a complication as the lower unit will not come off - won't even budge.
I found 5 nuts - two in the center, two in the front, plus the trim tab bolt is not screwed into an annode and moves up and down, so that shouldn't hold it. I found a sixth nut in the front, and removed it as well, although my manual doesn't say to remove it.
I don't know how to extract the lower unit. It is almost as if there are more bolts holding it on, but I don't think there are.
See the picture.
At this point, I feel out matched. Are there any tricks I should know about? I am debating if I should take it to a mechanic, or would it be wiser to save the money and buy a new outdrive.
This is a first gen Alpha unit, and by the corrosion I saw, it is original from 1987. I have since painted it. The boat was stored in the water, until I traded my Maxum for it a couple of months ago. The annodes were not replaced often enough. The trim cylinders are badly corroded, and the retaining ring has popped off. The trim fluid was also milky, although now that it is not in the water they may last a while longer.
Attached files [img]/media/kunena/attachments/vb/693629=28520-outdrive2012 002.jpg[/img]
I found 5 nuts - two in the center, two in the front, plus the trim tab bolt is not screwed into an annode and moves up and down, so that shouldn't hold it. I found a sixth nut in the front, and removed it as well, although my manual doesn't say to remove it.
I don't know how to extract the lower unit. It is almost as if there are more bolts holding it on, but I don't think there are.
See the picture.
At this point, I feel out matched. Are there any tricks I should know about? I am debating if I should take it to a mechanic, or would it be wiser to save the money and buy a new outdrive.
This is a first gen Alpha unit, and by the corrosion I saw, it is original from 1987. I have since painted it. The boat was stored in the water, until I traded my Maxum for it a couple of months ago. The annodes were not replaced often enough. The trim cylinders are badly corroded, and the retaining ring has popped off. The trim fluid was also milky, although now that it is not in the water they may last a while longer.
Attached files [img]/media/kunena/attachments/vb/693629=28520-outdrive2012 002.jpg[/img]
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