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    Drive lube leak (pic)-gctid396015

    Since purchasing this used 2004 bayliner 185 with a 3.0l merc gen 2 two months ago... I have filled the drive lube reservoir twice after taking the boat only a couple times.Yesterday, I purchased a lube pump, 2qts lube, and new vent and drain hole gaskets hoping to stop the leak (i notice drip marks under the lower unit on the ground)Today, I go to check on the situation to see if anything has developed...and I notice this very clear picture of where it may be leaking from...and I did get the unit very clean after I was done yesterday.

    [img]/media/kunena/attachments/vb/699681=29254-2012-06-29 16.24.39.jpg[/img]I've done some research and it seems it could be coming from "many different places"... And the local skipper buds marine repair shop quoted me at $900 for a complete reseal...or just a couple hundred if its the shift shaft seal or something small..........

    #2
    There is a very tiny o-ring that needs to be replaced anytime the lower unit is 'dropped' for a water pump impeller replacement. This ring could have been lost, or the old one reused and shot. The Quicksilver pump overhaul kits always give you a new one of these....

    If you have trouble figuring out which o-ring I am referring to, I can open one of my kits and possibly scan the diagram.

    Happy boating!
    Boating Supplies

    Comment


      #3
      I seconds that ^^^.

      There is a small passage between the upper and lower (Which is why it takes so long to fill the sucker...cause it's like the size of a straw!) and it has a oring on it.

      Pull the lower and check it out.

      chay

      Comment


        #4
        Thank you for your insights! I have the Mercruiser service manual #14 and should be able to figure out how to drop the lower unit to inspect this hopefully.

        I looked at a couple websites for the Quicksilver pump overhaul kit that you mentioned... Not sure if I should get the whole kit or just go for one of the o-rings (if thats even possible).

        Would you mind looking at these direct links to see if any of these kits are the same one you speak of... and if possible, recommend the best one to get - or a better place to obtain the kit? Thank you again.

        Here's what I found:

        http://www.hardin-marine.com/p-16746...rvice-kit.aspx

        http://www.academy.com/webapp/wcs/st...663+4294963116

        http://item.mobileweb.ebay.com/viewi...d=290695200155

        http://www.lowcostboatingstore.com/Q...T_p_24201.html

        http://greatlakesskipper.com/product...w-housing.html

        Comment


          #5
          If you can not verify the impeller and are dropping it anyway I would replace it. I bought a complete kit off of EBay, including the housing for $54.

          Comment


            #6
            None of these. You need the kit for the Mercruiser Alpha I Gen II out drive.

            http://www.ebay.com/itm/350520560254...9#ht_500wt_922

            I am currently in the process. You will also need Quicksilver perfect seal to treat the gaskets per the manual. It is not easy to find. Also an inch/lb torque wrench. There are tons of how toos but they fail to mention these two items.

            Comment


              #7
              Leaks occur from several seals on the drive. The one that comes to mind is that seal behind the propeller. Fishing line can get wrapped around the shaft and cut the seal. Pull the prop and inspect the drive shaft. If you find oil in this location, then, this seal is bad.

              My drive leaks from the shift shaft seal. (front of drive where you can see the shift shaft and speedo water hose.

              As mentioned, the O-Ring sealing the oil passage between the upper and lower drive could be missing.

              Comment


                #8
                rcj1986 wrote:
                Thank you for your insights! I have the Mercruiser service manual #14 and should be able to figure out how to drop the lower unit to inspect this hopefully.

                I looked at a couple websites for the Quicksilver pump overhaul kit that you mentioned... Not sure if I should get the whole kit or just go for one of the o-rings (if thats even possible).

                Would you mind looking at these direct links to see if any of these kits are the same one you speak of... and if possible, recommend the best one to get - or a better place to obtain the kit? Thank you again.

                Here's what I found:

                http://www.hardin-marine.com/p-16746...rvice-kit.aspx

                http://www.academy.com/webapp/wcs/st...663+4294963116

                http://item.mobileweb.ebay.com/viewi...d=290695200155

                http://www.lowcostboatingstore.com/Q...T_p_24201.html

                http://greatlakesskipper.com/product...w-housing.html
                The correct Quicksilver water pump repair kit is their #817275Q05 (for all Alpha One Generation II drives s/n OD469859 and up). I would stick with the Quicksilver product, since many of us have had shorter lifespans with the aftermarket impellers....

                I am looking at my kit and the small (orange) o-ring is included.
                Boating Supplies

                Comment


                  #9
                  Alot of great replies here, they are much appreciated. I noticed the quicksilver kit tends to be double the price of the sierra or mallory repair kit... Wow! Perhaps I should take the lower unit off and just see what I need first!

                  Comment


                    #10
                    rcj1986 wrote:
                    Alot of great replies here, they are much appreciated. I noticed the quicksilver kit tends to be double the price of the sierra or mallory repair kit... Wow! Perhaps I should take the lower unit off and just see what I need first!
                    Something not mentioned here but if you pressurize the leg you should be able to get an idea of where the leak is coming from. Good tool to have for yearly presure/vacume tests.

                    Gary.

                    Comment


                      #11
                      Im very new to motor maintenance and repair. I only just learned how to install spark plugs and time my boat motor a few weeks ago. Would anyone care to rate the difficulty of installing the water pump repair kit with all appropriate sealers, for someone of my technical inexperience. I do have the service manual, but I'm considering taking it into the local cedar lake sales repair shop. They have a 2 week leadtime and they quoted me at $300-400. I just wonder if it would be worth the hassle of me rounding up the parts and trying to get it installed, or just drop it off at the shop.

                      Comment


                        #12
                        what i have found is that you can buy the complete impeller kit, 817275q05, or the partial kit without the housing for less, 47-43026q06. if the part number has a k instead of a q, its a mercury brand. the q is the quicksilver. as far as i can tell.

                        Comment


                          #13
                          OK - Since my lasts post I've taken my boat in to he local marine repair shop to get all of my lower gear housing gaskets replaced. Took he boat home and on the water... Lost a good deal of lube. Shop explained it was probably a burp of air in the line - i brought it back in anyway so they could pressure test it. Did that.. They verified a perfect seal with no loss of air and had the boat sit there for 3 days with "no evidence of leak". Took boat home and out again... Monitor was above operating range line.. Took it out once, went down to a hair above ADD... Following weekend took it out again, now its about 3/4" below the ADD line. AND... There is STILL a drop of lube hanging off the bottom tip of the lower unit between where the drives go together like in the very first posts picture. I want to call them up and just be like "what the ****"... But does anyone know where the hell this lube could be going!?!?!?!?!!!!!!! am i burning lube off???? Does the drive expand and lose a seal while running???? I have no clue - and im sure thats what the shop guy will say.

                          Comment


                            #14
                            Maybe try a different shop, get a second opinion.

                            Comment

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