I really wish I hadn't done that...

Author Message   realslimshady Member Username: realslimshady Post Number: 23 Registered: 11-2008 Posted on Thursday, July 16, 2009 - 03:44 pm:    Took the seawater pump off to replace the bearing..the boat has sat on that mooring since December without a pump at all, no problem...don't know what was different this time, but got a phone call that evening to say the engine bay had flooded, the marina staff had pumped her out, and tied the offending seawater delivery pipe up out of harms way... went down yesterday-worst case scenario-engine must have gone completely under-gallon and a half of water in the sump, two cylinders full...sucked the water out of the sump, took out plugs and miraculously the starter motor turned and ejected the water from the cylinders..sprayed everything with WD40, including in the cylinders, then ran out of time. My intention is to try and get her started and warmed up-if that happens, then change oil and filter and dry all the ancillaries out. Any suggestions? And what about the bellhousing/driveshaft/bellows area? Do I need to pull her out the water again? It's an AQ200D and 280 leg. Thanks in advance for any input.   El Pescador Senior Member Username: el_pescador Post Number: 4681 Registered: 02-2006 Posted on Thursday, July 16, 2009 - 04:28 pm:    I guess that when you removed the raw water pump you forgot to cap the suction and delivery hoses. Well, another lesson you have learned for "next time". The alternator and starter would need to come out, dismantled, dried and cleaned. If you were lucky, the carb and the distributor would not have been affected. You will also have to dry the wiring, clean terminals, apply dielectric grease where required, and once the engine is dry and clean spray it with "fluid film" or equivalent. Regarding the bellhousing, in theory the forward seal may have prevented the water from reaching the bearings, but reality may be different. Somehow, I think you know the answer to your question. Good luck.   realslimshady Member Username: realslimshady Post Number: 25 Registered: 11-2008 Posted on Thursday, July 16, 2009 - 05:15 pm:    thanks El P, feeling slightly more positive now! Can you just clarify what you mean by forward seal and bearing? Thanks Martin   El Pescador Senior Member Username: el_pescador Post Number: 4682 Registered: 02-2006 Posted on Thursday, July 16, 2009 - 05:53 pm:    The bellhousing has two seals: one forward sealing against the PDS, and one aft sealing against the drive u-joint yoke. Hopefully, the forward seal (part 71 in the exploded view) may have prevented water from reaching the bearings. http://www.volvopentastore.com/CONNECTING_COMPONENTS_AQ_DRIVE_280/dm/cart_id.738 599957--session_id.294715157--store_id.366--view_id.327430   Ricardo E. Advanced Member Username: ricardomarine_vp Post Number: 402 Registered: 03-2009 Posted on Thursday, July 16, 2009 - 08:21 pm:    Martin, the PDS seals are intended to hold grease in the cavity. Unfortunately for you, not necessarily to keep water out. The drive bellows are to perform that task on the aft side. Maybe this is an Omen, Martin...... and it was time for new PDS bearings.... If you have seen what damage a failure here can cause, you may agree! Was this by chance in brackish or salt water? If so, you possibly have some other upcoming wiring issues ahead of you. Run that engine, Martin.... and do several oil/filter changes. You must get every bit of moisture from in/around/behind the piston rings before you let her sit for any length of time, IMO.   realslimshady Member Username: realslimshady Post Number: 26 Registered: 11-2008 Posted on Friday, July 17, 2009 - 05:18 am:    I can't access your link-not in the US-is it the same as this-http://www.marinepartseurope.com/en/volvo-penta-explodedview-7740890-04A-04A%2C,%2C0200.aspx item 71 looks like what you're talking about-how on earth do you change it,and the bearing? Are we talking about removing the leg? Yes, Ricardo, salt water-it's as bad as it can be! ps-what does PDS stand for?   Ricardo E. Advanced Member Username: ricardomarine_vp Post Number: 404 Registered: 03-2009 Posted on Friday, July 17, 2009 - 09:00 am:    PDS = Primary Drive Shaft...... [I.E., the shaft that coupless the engine's "drive coupler" to the universal shaft of the Volvo Penta transmission (upper unit).] The schemactic shown is for an AQ 200 B or C ......... and not for the AQ 200 C, AQ 225 or AQ 260. (not sure why they have not corrected this schematic) #71 is the fwd most seal. Yes, since this is the two bearing PDS, the engine must come out in order to access the fwd bearing/seal and for access in pressing the PDS out the rear. Now, I have walked several people through the task of removing this style PDS and aft bearing w/out engine removal, leaving the fwd bearing/seal in place. It is not easy, nor is there any guarantee that it will come out this way. The fwd bearing replacement is important, but not absolutely critical as it's primary function is for centering (since there is no "pilot" nose on this type of PDS). If worn/bad, it will cause a vibration...... but not likely a failure as will the AFT bearing if bad! So the AFT bearing is the critical one to replace. A failure here will result in possible flywheel cover, U joint shaft and transmission damage. I get up to $450-500 for this flywheel cover with new bearings/seals. U joint repair, new clamping collar, set-up time and installation can run in upwards of $2k. I will add that the removal of this engine is among the easiest between Volvo, OMC and Mercruiser! Since she was "under", it may be good to do anyway..... (there are quite a few bolts that could be removed, cleaned, lubed, re-tightened.) The F/C could actually remain attached to the transom shield if your engine bay allows a little fwd engine movement. .   realslimshady Member Username: realslimshady Post Number: 27 Registered: 11-2008 Posted on Friday, July 17, 2009 - 09:47 am:    Sorry Ricardo, you've lost me on some of that-you say that schematic is NOT for the AQ200D? I understand that to replace the PDS bearings the engine has to come out...and if the rear bearing fails it will/could trash the flywheel cover? There is a grease nipple on top of the flywheel cover/transom shield area which I understood to be for lubing the rear bearing-am I correct? What if I was to flush this through with a healthy dose of grease?   Ricardo E. Advanced Member Username: ricardomarine_vp Post Number: 405 Registered: 03-2009 Posted on Friday, July 17, 2009 - 10:10 am:    Martin, I guess that was sort of a moot point. Either used the same two bearing PDS.... whether one pc or two pc flywheel cover w/ V/P adapter configuration. While I will not recommend this, I suppose that you could pump lots and lots of grease into the fitting. You would want the engine to be running! This gives you the best/full exchange of old-to-new grease! Do not do this statically with the assumption that you are getting a full exchange..... you will not! If you end up blowing the seals out, it is actually the least of your problems. You may want to give it some grease...... then remove the AFT seal and continue pumping away. Any excess grease can be wiped away. You will also see when the new grease starts to come through the aft bearing. Choose a good high pressure bearing grease, not necessarily the green/blue marine grease! You're taking a gamble here, Martin.... hope you realize this since you don't really know the condition of these two bearings prior to this incodent..... and I see my share of failed bearings on boats that have not been under! Holler back if you need brg p/n's and/or seal #'s.   realslimshady Member Username: realslimshady Post Number: 28 Registered: 11-2008 Posted on Friday, July 17, 2009 - 10:28 am:    Thanks friend. Back to the boat tomorrow I hope, and hope to get the engine running...one step at a time. Get the main bit sorted first, then worry about driveshaft bearings etc....

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