You really need to have the drive off, it could be just leaking from the O ring between the drive and gimbal house or it could be from the water hose which is loose or split, you can insert a hose pipe into the water passage when the drive is off to create some pressure to see where it leaks from. my son has a 2006 bayliner 210 cuddy and is losing oil out of the alpha 1 gen 2 mercruiser sterndrive. The drive gets warm and the oil expands and some can get pushed out through the prop shaft seals. The upper seals and impeller stuff isn't hard and all the seals should only fit what they're intended for. read more Jason Marine Mechanic 25,417 satisfied customers There is drive line fluid leaking from the lower end (maybe Also the hull and transom drying out from not being used can also cause shrinkage which can leak to leaks in this area of the transom where the Sterndrive is bolted onto.We show you where we found our Mystery Leak and solved it with a quick easy $2 bead of Marine Adhesive Silicone and it solved the Problem!Eventually when we remove the sterndrive and housing some years down the track we will install a new foam seal and gasket and do it all properly, but for now and this season and probably the next this should hold out the small pin hole leak that was trickling water into our boatHope you found this video useful and it helped to solved the Mystery leak into your Boat fitted with Mercruiser Outdrive Stern Drive Alpha 1 SeriesClick LIKE and SUBSCRIBE to see more helpful videos like this Yes thats how the problem originally started I noticed a bunch of oil in the bilge when the boat was just sitting in the garage and when I took it to the 1st mechanic he took the drive apart and said a lose cover nut was causing the leak but the 2nd mechanic didn't agree and said that would be impossible. Make sure the gear lube reservoir system is functioning as it should. Usually drives are resealed every 5 years . Helm Seats, Shop It seems to be leaking mostly from the shift shaft seal now less from that small weep hole,there is a pretty big puddle now. The pic youve posted is in fact the out drives gear lube reservoir. Hi all, I need some help I have a drive fluid leak on my 2013 Bayliner 175 with 3.0 mercruiser with alpha one drive somewhere. You may skip the engine manufacturer private label oil, but should stick to recommendation. This hose may be leaking or the tie is missing. I assume i have to take the upper drive off the boat to do the upper seals? Could not find much on the valve in there. I used a bit of permatex gasket maker, the thick stuff, to hold it in place during assembly. It is normal for the oil to "burp" itself and the oil level in the reservoir to drop a little when you run the drive to get rid of any trapped air. mercruiser greases products are widely available today, and we have reviewed them all. Covers, Other The drive probably needs new seal(s) & a pressure/vacuum test to confirm that's the only source of leakage. Finally refilled the drive lube reservoir. Wells, Toilet & Waste Place a drain pan directly under the lower unit. How to detect an upper drive seal leak in an Alpha One gen 2 drive without the need to lift the boat or split the leg Protection, Dock Storage & Here's an Idea that I will try this weekend: CREATE So i basically need to reseal the upper and lower unit. You must log in or register to reply here. All, Boat Bimini Marble, Engine I appreciate all of the help. As Pete stated the area youve circled is not gear lube related, its likely leaking somewhere els and presenting itself at the trim ram or your trim ram is also leaking. Biminis, RV & Trailer I am trying to find the correct connector. Protection, Ladders, Steps, & I have gear oil leaking between the transom and housing. Accessories, PWC Parts & REPLACEMENTKITS.COM - Brand Fits Mercruiser Alpha One Gen 2 Impeller Repair Kit - 4.2 (83) $2499 FREE delivery Wed, Mar 8 on $25 of items shipped by Amazon Small Business Water Pump Impeller Kit for Mercury Mercruiser Alpha One 46-96148A8 46-96148Q8 4.6 (193) $3919 FREE delivery Fri, Mar 10 Distribution, ProMariner ProNautic Battery Charger, Marine Audio & Not hard at all if your mechanically inclined. Telescopes, Covers and Whats you're diagnosis and what will it take to fix? & Live Bait Holders, Cabin Accessories & All rights reserved. Did you get good placement of the o ring that goes between the upper and lower halves? AN JavaScript is disabled. Tackle Boxes, Fishing Bait & Impellers are a series of rubber vanes that are molded around a hub which rotates. You can not build the drive without the right tools. Deals, Electronics He said the boat is pretty new with low hours and he has never seen anything this bad on such a new boat. Category: Boat. Outboards, Shop The gear oil seems to be leaking down the feed tube most likely from the connector outside of the boat.. The Fora platform includes forum software by XenForo. Restocking fee of 15% may apply in other circumstances. Replaces MerCruiser Gen 2 alpha outdrives 1991+. I have oil leaking out of my water intake slots on the sides of my 1994 merc cruiser alpha stern drive lower unit. Hello guys. I am hoping this will not be necessary. After a few trips, the drive lube reservoir is empty. I dont know what it is about it being a boat that makes it more "scary" :laugher: Check over on iboats for the manuals. These are the top picks and the most-sold mercruiser greasess. C $661.62 Find many great new & used options and get the best deals for Alpha One Gen 2 gimbal bearing with TOOLS bellows puller Mercruiser trasom kit at the best online prices at Free shipping for many products. You must log in or register to reply here. The rubber tubing between the reservoir and the drive could be cracked between the boat and the drive. All, Anchor & This happened to me. If it's leaking you probably need a new $1 or under gasket for that screw. Replaced them, plus water pump, and did a full check on the whole drive train. Gearlube in the u joint bellow is not normal. I have a question on my mercruiser outdrive gear oil that seems to disappear from the resevoir. Im pretty sure everything went ok when i was replaceing that as i have done it a few times in the past. Blocks, Marine Hardware, Marine at start of every season. Video, GPS Chartplotters & As you can tell, Im pretty inexperienced but I am trying to learn so I appreciate the help. Make yourself a drivestand. Savers, Boat Trailer Guides & 2016 22SSRX, SPS,Champagne, G helm chairs, Sandstone w/driftwood accent w/ graywood trim, Premium vinyl floor, Suzuki DF150TX; SS 15.25X19,41 MPH @ 6100 RPMon GPS. Deals, Camping & RV I looked up in there today with a light. I have an early 2000s Bayliner BR175 with a Mercruiser Alpha One engine. MerCruiser Service Manual Free Download PDF On this page you can free download service & repair manuals for such sterndrive engines as MerCruiser . They aren't bad. Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable I am also trying to find the correct gear oil fitting for the drive where I suspect the oil is leaking from. covers any damage to the drive that requires it to be repaired or replaced including failures resulting from lack of oil, fishing line, impact . This is what I found in the bellows and it is gear oil.Sent from my SM-J737V using Lake Ontario United mobile app, You need to be a member in order to leave a comment. Anchor Box Anchors, Fishing Rod & Reel Covers, Boat Seat What kind of maintenance would be required on a 3-4 year old boat with 80 hrs on it to prevent that rust? Thanks for the replies, alright excellent thanks for all the quick help. MerCruiser impellers should be inspected once a year, or every 100 hours, and replaced as needed. . The classic source of water as you describe it is the lower shift cable bellows. I see gear lube in the u joint bellow which tells me the input shaft seal is leaking. Welcome to our site! Share this conversation. Seats, Pontoon Boat Seats & Can you post a picture of where you are seeing the level decrease? Mercruiser 5.7L EFI alpha 1 Gen 2 drive The leak is coming from the lower portion of the keyhole area - not the large bore where the u-joints and yoke pass through - the lower portion. To change the lower unit oil in your alpha one, first lower the drive. The Right Fit, Shop By I'm new to power boat ownership having just bought my brother's 2007 2575 RL I/O. However, I believe its on the port side where your circle is on the starboard. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! He is saying to get it done right I need to change the bellows (parts $100), seal on shaft, o ring seal, drive resealed ($300), gumbo bearing $100, u joints ($160 each). The manufacturer recommends oil that meet certain properties and are specifically designed for the use (eg. (see picture below) Now the oil will drain into your drip pan. Vinyl, Floating Boat Bilge Pump, Tires, Rims, & Hub Deals, Paint & Maintenance Location. If I had to guess your loosing it thu the upper yoke seal. Financing, Iboats Deals, Boat Seats I checked the fluid and it was a little gray but no raw water came out the bottom and it wasnt really milky so i topped it off and went out for a few hours with no problems. I have a 1:50 Alpha 1 Gen 1, bought as a complete remfg unit 5 years ago. Boat Repair, Boat Paint & Recent Topics Looking for a Victrola fishing box! The vent hole plug will be high up on the lower unit case and marked accordingly. They said all the seals in the stern drive were dried out and crumbling. It is rare for the hose to leak. Locate the top vent hole oil plug on the lower unit side case. Combos, Fishing Tools & No sign of oil anywhere on the water or elsewhere. Hope this helps ;https://www.wikihow.com/Change-Your-Mercruiser-Gear-Lube, Filled from bottom to vent hole, put in plugs, than filled reservoir from top. Seals go bad after a few years and need to be replaced. im a Ford mechanic by trade so i have a good set of tools just wasnt sure if there were any must have tools to do the job. Allow that to drain for about 15 minutes. JavaScript is disabled. Winches, Boat Motor Supports & Systems, Marine Plumbing Dial Indicator Holding Tool 91-89897. Biminis, Paint and The screw plug will sit countersunk and have a large slot . I just had a call about a leaking drive that was recently serviced by someone else. Jacks, Boat Trailer Brakes & If you're still using a fair amount of gear lube I would listen to Hank (L&M) and check it out to be safe. For a better experience, please enable JavaScript in your browser before proceeding. Furniture, Boat Seat Pedestals & If you then have a slight leak somewhere else as well - you will see foam on the top of the oil in the bottle after running it for a while. Rollers, Boat Trailer Bullet Skimmer, Paint and