Rebel9921 Posted November 19, 2008 Share Posted November 19, 2008 1988 Mercury XR4 Black Max 150HP I took the lower unit off... and upon closer inspection... I found this crack on the prop shaft housing of the lower unit approx 1-2 inch behind the lube port... This crack is apparently a "T" on its side... on the short line, its about 2 inches long while on the long side its about 3 inches... Would this be repairable by doing some TIG welding or would this crack pretty much render the whole lower unit housing useless??? Here are the pics to give you idea of what Im talking about... Link to comment Share on other sites More sharing options...
boatfixer Posted November 19, 2008 Share Posted November 19, 2008 Looks like a freeze crack to me(although a vertical crack is a bit odd, most freeze cracks are just horizontal). Whether or not it can be repaired will depend on whether or not the housing is still suitable for sealing around the bearing carrier. The vertical part of the crack looks like it is right near where the o ring would be on the bearing carrier. It would be a good idea to take it to a shop for an experienced opinion from someone who can take it apart and have a better look. If seen both situations..repairable and non-repairable. Link to comment Share on other sites More sharing options...
marine_man Posted November 19, 2008 Share Posted November 19, 2008 I agree 100% with Bruce... time to take it in and let them determine the extent of the damage on the inside.marine_man Link to comment Share on other sites More sharing options...
Rebel9921 Posted November 21, 2008 Author Share Posted November 21, 2008 Allright... where would be a reputable Mercury shop then??? Email me the info if it would be better that way...Thanks! Link to comment Share on other sites More sharing options...
marine_man Posted November 24, 2008 Share Posted November 24, 2008 Crystal Pierz Marine, Hannays... both are a good place in my opinion, as well as others.marine_man Link to comment Share on other sites More sharing options...
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