Mercruiser Lower Unit Weep Hole

Our lower units are refurbished in the U. Sterndrive Replacement is a company unlike any other in the sale of aftermarket MerCruiser's Sterndrive , Alpha One Generation 1, Alpha One Generation 2, Bravo 1, our stern drive designed to replace Mercury Marine's Mercruiser®, Alpha One®, R, MR, Gen 2 and Bravo One® stern drives. For decades marine engineers have searched for the solution to saltwater corrosion. An outboard marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 70 HP outboard motor to factory specifications. Replacement Mercruiser Sterndrive Units available as Complete Unit or just the Upper or Lower Assembly. 3 Mercruiser Motor. , weep hole leaking. 99 26-29612 Rubber Seal Fits Mercruiser Lower Unit Flushing Hole. com: Welcome to the Internet's premier network of websites for marine engines. These premium products offer maximum protection and extend equipment life, and deliver increased performance. Mercruiser Lower Unit Weep Hole. Parked the boat for about 10 days and the lower unit started leaking out of a little hole (see pic, top right hole) I checked the fluid for water, it's not milky, or runny like it's got water in it. I ran the motor with muffs for a few minutes and noticed water pissing from the weep hole, this cannot be good. Lower drive unit to full IN/DOWN position. From there the oil runs out a weep hole, runs down the skeg and drips. 2) I checked the Gear Lube Oil Reservoir for the outdrive and that was at the "Full" line. Note the top drain fill plug location. Mercruiser Drive Systems Sterndrive Exploded Views and Parts Listing View Cart Empty Cart Check Out : Search: Drive Shaft Housing (R/MR/Alpha One - s. UNIT WORKED GREAT ON BOAT, SHIFTED GOOD. So I am left with an aparrently functional lower unit with a deep gauge in the side. I'd try to contact Volvo Penta and Mercruiser directly for the templates. Best check first that the oil IN the gear housing is O. We install Amsoil synthetic lubricants and high efficiency filters. Good luck with it. MERCRUISER PRE / ALPHA HYDRAULIC POWER TRIM PISTONS / RAMS ( CYLINDERS) 45522. I just gave the boat a look over and noticed some water/fluid dripping out from the weep hole on the right side of the outdrive. It should be light to medium brown in color, and at least translucent. My thoughts are that I need to drain the lower unit like right now and then worry about pressure testing and such on a warmer day. 0L I have gear oil leak on lower unit from drain holes and water intake after winter storage? Johnson outboard motor leaking from water port holes? Water leaking from spark plug holes on an outboard?. We stock remanufactured and new gearcases for Mercury and Mariner 60 to 275 horsepower, 1979 to 2011. What is the weep hole near the thermostat housing on a 2002 dodge intrepid 2. That might force some fluid past a seal. Upper D/S Hsg. Thread the vent screw back into its bore and tighten it securely. Johnson Evinrude 75-90-115- 150-175-20 0-225-250 Anode Trim Tab Kit Lower Unit EI. Since 1998, iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. Torque Master Lower Unit Blockoff Plug Install W/Pics. Water can leak in other areas as well. Some features may not work as intended in your current browser. com, CNBM Brand, Fortune 500 company. does it matter that my mechanic filled it with. 330hp 454 twins bravo 1 outdrives stainless props all aluminum trailer with new hubs and great tires led lighting. I ran the motor with muffs for a few minutes and noticed water pissing from the weep hole, this cannot be good. Cleaned it all up and installed a new "factory elbow" at the tune of $2800 each - he did not want a custom unit. stern drive gear oil leaking out weephole So I'm not very mechanical, and my dad, who is, helped me replace the water pump (all of it) in my 1985 mercruiser alpha one stern drive. > I have a pre-alpha mercruiser (type MR) where I have the fill hole at > the bottom of the lower unit on the prop housing and the top vent hole. Get the best deal for Complete Sterndrive Outdrives from the largest online selection at eBay. I have gotten a new clip among other parts to rebuild my lower unit. The venturi cluster is serviced as a unit. There are a couple of things pertaining to the outboard cooling system. As a side note, I asked my local shop how they fix stripped out holes for the oil plugs. , weep hole leaking. put the muffs on it then fire it up. 3857794 $310. When packed away last fall, only water ran out of the oil fill hole - in addition to replacing the seals (is there more than one?), I would also like to inspect the condition of the gears. On a pre alpha out drive is there a little weep hole on the starboard side of the upper outdrive? Its between the - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. If you drain a couple drops you can see the condition of the oil. Look at outboard motors, stern drives, trolling motors, fishing motors, or jet ski motors. I've tried putting the lower unit into forward, the upper shift in forward, no. Tools, water pumps, pistons & seal kits for Mariner motors. Proper oil level and quality insures that the lower end transmission gears and shafts have enough lubrication to spin freely and smoothly, with no friction. film semi barat layar kaca reult hk 6d ibu onani depan ku roblox gui script pastebin k3xatu sabtu khel khel main sex fmly story com meaning of seeing lord murugan in. 4l E-tec Rebuild Kit - 100. mercruiser engine & stern drive by engine model and Download mercruiser merc-cruiser inboard & sterndrive, Service manual applications: 2001, 2002, Mercruiser alpha one gen 2 ebay 137 results found mercruiser alpha one. Lower Grcs Rubild Kit Upper D/S Hsg. The "SeaCore"™ Closed Cooling Engine Block system…see video. 75 Ratio 20" Shaft **Prop is not included** Designed for boats with heavier loads and capable of speeds up to 85 MPH. Heavy Maybe this is a stupid question (let me know if it is). We stock remanufactured and new gearcases for Mercury and Mariner 60 to 275 horsepower, 1979 to 2011. Unable to mate bottom half of drive with top I just got done replacing a bad impeller with a new pump housing kit and I'm having problems attaching the bottom half of the drive with the top. Together, they cited 6 references. As the water freezes it pushes the lower unit oil up through a shift linkage seal. Even as far back as the early 1980′s Mercruiser had the desire to develop a Marine Engine equipped with an automatic draining cooling system. In this video, i will take you step by step on how to change the impeller on your inboard boat. 60 Mercruiser Pre Alpha #1 R Drive R-drive Lower Unit Gearcase Gear Case Assembly. An outboard marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 70 HP outboard motor to factory specifications. Some plugs are on the side of the lower gear case and some are just ahead of the skeg. Tools, water pumps, pistons & seal kits for Mariner motors. On a Mercruiser I/O it is a weep hole from the shift mechanism and that may be the grease/oil you see coming out. Before I check with a dealer I thought I'd ask the experts here. When trying to re-install it stops short leaving around a 1" gap. The lower unit gear case oil on the Mercruiser Alpha One outdrive serves a very important function. They tell you when the pump seal has begun to leak and your WP bearing is soon to fail. This item replaces Merc. There is a seal which holds the water out but the shaft is hardened steel which can rust, pit and ruin the seal. If the ram is not leaking the unit will stay up. Water Pump Impeller Replacement on Mercury Outboard Mark Corke has just recently posted about an outboard water pump service. MerCruiser Lower Steering Bushing - Bravo 1-2-3: MerCruiser Lower Swivel Pin - Alpha/Bravo: MerCruiser Lower Unit Bearing Carrier O-Ring: MerCruiser Manifold & Engine Block Drain Plug Kit: MerCruiser Manifold Drain Fitting Assembly - Port Side: MerCruiser Manifold Drain Fitting Assembly - Starboard Side: MerCruiser Manifold Drain T-Fitting Assembly. Advice to drain the lower unit and check for water contamination is good counsel, too. The Mercruiser 3. MC-20-60207 Stainless steel block off plate (with vent hole) for use with MerCruiser riser #'s 60426, 76351 and 76771. Find Out Why I Have Oil Dripping Out Of My Lower Housing. From there the oil runs out a weep hole, runs down the skeg and drips. Find Out Why My Outdrive Oil Is Milky. Sterndrives & Inboards. For reference All Pictures on this page are taken from a 3. They tell you when the pump seal has begun to leak and your WP bearing is soon to fail. Maybe it'll help you describe which hole you mean. What is this extra 3rd oil fill or vent hole in the lower unit of your 40HP Mercury Mariner outboard at the gearbox area that is not shown in the shop manual? The top two holes are a fill level. In the case of Mercruiser’s Water Distribution Housing while the feature does add complexity in one aspect it does simplify things in another. Water is were it shouldn't be and this will eventually ruin the gimbal and sterndrive unit. I bet that it froze a bit and forced the lower unit oil out of the weep holes. Above link is to a case of oil leaking from an F150. What is the weep hole near the thermostat housing on a 2002 dodge intrepid 2. When I dropped the lower I got this dirty fluid that ran down the shaft. Upper D/S Hsg. Check your lower unit oil if you cant get a answer and see if it milky and or filled to the top. 3L) 1998, this Service Manual has detailed illustrations as well as step by step instructions,It is 100 percents complete and intact. they are specifically written for the do-it-yourself-er as well as the experienced mechanic. I bet I have some water in the lower unit. The oil that came out of the lower unit was the color of coffee with cream. You can try googling it. It’s usually located at the top of the lower unit or about halfway up the lower end. Boating Accessories New Oil Drain Plugs/gaskets/washers Sierra 18-2244 Fits Mercury/Mercruiser #1/MR/R/Alpha/Alpha I Gen II Upper & Lower Units. there are 4 holes in lateral fin from hydrofoil being mounted, no big deal. Its job is to form a micro-thin film between the metal component parts to keep them from actually touching. MerCruiser Lower Steering Bushing - Bravo 1-2-3: MerCruiser Lower Swivel Pin - Alpha/Bravo: MerCruiser Lower Unit Bearing Carrier O-Ring: MerCruiser Manifold & Engine Block Drain Plug Kit: MerCruiser Manifold Drain Fitting Assembly - Port Side: MerCruiser Manifold Drain Fitting Assembly - Starboard Side: MerCruiser Manifold Drain T-Fitting Assembly. Put in an entire new kit, lubed everything up and installed the lower end back on the drive. Have an assistant help you lift the lower unit and place it in a marine engine stand. Now the lower unit can be installed onto the driveshaft housing. Fluid has been drained for a couple weeks. Mercruiser Alpha One Gen One I 1 Upper Unit Gearcase Driveshaft Housing 1. I've tried putting the lower unit into forward, the upper shift in forward, no. It's the old-school engine interrupt method, a clone of the alpha one drive. This may be from a defective impeller or an impeller that's no longer properly attached to its drive shaft. My thoughts are that I need to drain the lower unit like right now and then worry about pressure testing and such on a warmer day. I removed the old stator charging circuit, which I had replaced with a standard alternator this past summer. I looked for clogs, with no luck. What is the weep hole near the thermostat housing on a 2002 dodge intrepid 2. 330hp 454 twins bravo 1 outdrives stainless props all aluminum trailer with new hubs and great tires led lighting. Water Pump Base Lower Unit for Mercury Outboard 40-275 HP Verado 43055A4 Water Pump Base for the lower unit of Mercury Outboards It fits 40-275 HP, 3 Cyl. Mercruiser 3. If you need tips on replacing an older R-type Gimbal Ring just send us an email. com: Welcome to the Internet's premier network of websites for marine engines. Mercruiser Lower Unit Weep Hole. The sterndrive should be removed for service every season. Its *never* gotten that low before. Fits on the lower shift shaft then into the shift spool to operate the clutch dog. Replaced water pump parts, installed new shift interlock cam and reinstalled. When I dropped the lower I got this dirty fluid that ran down the shaft. When trying to re-install it stops short leaving around a 1" gap. Model SE116 replaces MerCruiser's Gen II I/O with Three (3) Year Unlimited Warranty. There should never be any oil coming out of this hole. stern drive gear oil leaking out weephole So I'm not very mechanical, and my dad, who is, helped me replace the water pump (all of it) in my 1985 mercruiser alpha one stern drive. Water in lower unit. Many insurance companies won't pay to replace a gear set that visually is OK. Sea Ray Boat Parts & Accessories. Changing Oil for Your Lower Unit in a Mercury Outboard. Hopefully found won't have to add wood of do glass work to make the conversion. lower unit lube to make sure its. MERCRUISER PRE / ALPHA HYDRAULIC POWER TRIM PISTONS / RAMS ( CYLINDERS) 45522. Founded in 1939 by the talented engineer-businessman Carl Kiekhaefer, the Mercury brand of boating engines are found as factory equipment with many watercraft manufacturers. Give the motor a few minutes to warm up. Volvo has a drive saver coupler which decreases the cost of repair in case of striking a submerged object. On back of the lower unit there is a little weep hole to let water drain out of the lower unit. Barr Mc-20-60207 Mercruiser Riser Block Off Plate With Weep Hole Replaces 60207 Md Quick - $22. All of our Mercury lower units include a full one year warranty. Weep holes located on the casing of the water pump will leak coolant when the pump is failing. I've tried putting the lower unit into forward, the upper shift in forward, no. Above link is to a case of oil leaking from an F150. Pulled the trim cylinders last night,drained the oil and sprayed the nuts holding the out drive on. Replacement Mercruiser Sterndrive Units available as Complete Unit or just the Upper or Lower Assembly. Draining gearcase lubricant. Mercruiser Lower Unit Weep Hole. put the muffs on it then fire it up. An outboard lower unit is necessary for piloting any marine craft. Requires (2) gaskets part # MC47-2799777. > where the lower and upper unit meet) I couldn't get a better angle to > see. OEM #10-79953A2 10-79953Q2 Drain Screw Drain Screw 5. Oil leaking from out drive water intake Mercruiser 5. Gear lube leaking from weep hole, SE 106 If this is your first visit, be sure to check out the FAQ by clicking the link above. Don't forget to place the socket head screw in the lower unit for the trim tab. Since 1998, iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. If the ram is not leaking the unit will stay up. If this o-ring is bad, missing, or mis-aligned, you will get a leak out of the weep hole just below it. Proper oil level and quality insures that the lower end transmission gears and shafts have enough lubrication to spin freely and smoothly, with no friction. Total time was less than an hour. There is one below that as well but that's the easy one to get to. Johnson Evinrude Ficht E-tec V6 150 200 225 250 Hp Outboard Magnum Lower Unit. If this o-ring is bad, missing, or mis-aligned, you will get a leak out of the weep hole just below it. That might force some fluid past a seal. The "SeaCore"™ Closed Cooling Engine Block system…see video. Parked the boat for about 10 days and the lower unit started leaking out of a little hole (see pic, top right hole) I checked the fluid for water, it's not milky, or runny like it's got water in it. MERCRUISER 60, 80 AND 90 ENGINES 221 MERCRUISER 80 AND 90 BOTTOM MOUNTING BOLTSI Elastic nuts and washers MERCRUISER 60 MANUAL TILT-UP UNIT Hydraulic shift mounting plate MANUAL TILT=UP UNIT NOTE At this point, there should be no hoses, wires or linkage connecting the engine to the boat or stern drive unit. The engine and outdrive are Mercruiser 160's. Mercruiser Bravo Sterndrive Upper Unit Dis-assembly - Duration: Lower unit seal replacement pt 1 of 3. I have this old fresh water cooled 170HP Mercruiser inboard, that runs great. Find out where the oil is coming from. Water Pump Impeller Replacement on Mercury Outboard Mark Corke has just recently posted about an outboard water pump service. Com Glue (with bellows adhesive) the new water passage o-ring and the large u-joint hole o-ring into place. I looked for clogs, with no luck. I wonder if this is normal or does the oil have water in it? The dealer gave me Mercury High Performance gear lube (blue color) rather than the standard Mercury gear lube. I bet I have some water in the lower unit. From there the oil runs out a weep hole, runs down the skeg and drips. The gear lube leak in the starboard drive I have been experiencing was due to a crack in the case near the props. Check for residual oil that could have been come from the top weep holes and run down along the top of the cavitation,plate while underway. This item replaces Merc. Noticed external water leaks on the factory supplied exhaust mixer and pulled it. Allow the gearcase lubricant to drain into a suitable container. Better safe than sorry when out on the. I saw some oil drip out of my weep hole in my Alpha 1 Gen 2 drive last. When trying to re-install it stops short leaving around a 1" gap. With-out Weep Hole In Stock Water Sceen, Lower Unit Stbd Yamaha F300-F350 Cross Ref #: 6AW-45214-00-00. Note the top drain fill plug location. Other than that, I suppose I could pull the bottom cowl off and see if the block piece the oil plug fits into, is a separate unit that screws into the main lower unit. i noticed today that on the right side of my outdrive a little oil was leaking from a tiny hole. Aside from our inventory listed here we also supply Mercury lower units directly from Mercury Marine, either new or remanufactured. 5L 250 HP Inboard, Sterndrive 2015 A 6-cylinder sterndrive power plant has been released by the folks in Fond du Lac, Wisconsin. 4110A6 Merc Lower Unit, fit Mercruiser Alpha One 1 R Drives w/Pin See more like this Mercruiser Alpha One Gen II Gear Set 828073 828072 828071 824112 case lower unit Pre-Owned. You can get the seals at Bassetts near the N. Advice to drain the lower unit and check for water contamination is good counsel, too. How Do You Bleed a Mercruiser Trim Pump? To bleed a Mercruiser trim pump, fill the tank, and remove the lines from the trim cylinder and gimbal housing to drain the hoses. These digits coincide with the last two digits of the year in which the outboard was manufactured. Also it looks like oil is around the plastic piece in back where the shaft is and the small hose attatches Submitted: 7 years ago. do I need to change the oil in the lower unit? and if so how? im going to change the oil in the engine itself but this is the first I've heard about changing the oil in the lower unit. OEM Factory MerCruiser Bravo 3 outdrive lower unit Replaces Part Numbers: 8M0086825 1656-8M0086825 New part # 1656-8866G09 Will work for 1. Other than that, I suppose I could pull the bottom cowl off and see if the block piece the oil plug fits into, is a separate unit that screws into the main lower unit. Lower Grcs Comp. I have had lots of outboards and never heard of a lower unit weep hole. The sterndrive should be removed for service every season. Even as far back as the early 1980′s Mercruiser had the desire to develop a Marine Engine equipped with an automatic draining cooling system. Good luck with it. Its internal mechanical workings put tremendous pressure on the lubricant inside. In many cases, damage to an Alpha One prop shaft will damage both the lower and upper gear sets. How to Remove Your Mercruiser Alpha One Sterndrive. Note the top drain fill plug location. If you are not certain, if the motor runs & the block does get so hot that you can not hold your hand on it for a minute or so, or the paint on the upper rear block starts to burn, the water pump is bad & needs replaced. Find more of what you love on eBay stores!. stern drive gear oil leaking out weephole So I'm not very mechanical, and my dad, who is, helped me replace the water pump (all of it) in my 1985 mercruiser alpha one stern drive. Our aim is to promote the boating culture to. When trying to re-install it stops short leaving around a 1" gap. Lower drive unit to full IN/DOWN position after completion. The new plug threads in perfect!!. I'd try to contact Volvo Penta and Mercruiser directly for the templates. Oil leaking our of "weep hole" in Alpha 1 lower unit. Mercruiser Lower Unit Weep Hole. Sea Ray Boat Parts & Accessories. !977 Johnson 115 hp Johnson. Fluid has been drained for a couple weeks. That drain hole goes up to the base of the water pump, and allows water to drain out of the pump housing. > I have a pre-alpha mercruiser (type MR) where I have the fill hole at > the bottom of the lower unit on the prop housing and the top vent hole. with MerCruiser riser #’s 60426, 76351 and 76771. For reference All Pictures on this page are taken from a 3. Also it looks like oil is around the plastic piece in back where the shaft is and the small hose attatches Submitted: 7 years ago. The unit will illuminate the OIL PRESSURE light if the oil pressure drops below 2psi (13 pa). Water in lower unit. Removing your drive is not as hard as you might think. The original plug was 14 x 1. Reverse gear - yes. The Mercruiser 3. and knocking 1994 mercruiser 350 mag distributor oil 1994 70hp yamaha lower unit weep hole 1997. has soaked in lube to the point the it wouldn't work anyway). Best check first that the oil IN the gear housing is O. The only other thing i can think of is that it may be something leaking around the prop shaft, or there is somehting in the lower unit houseing that is cracked?. To create this article, 15 people, some anonymous, worked to edit and improve it over time. ok I have read a few places about changing the oil in the lower end unit, my mercury is a 2013 115 horsepower unit four stroke. Looking to change gear oil in my alpha one drive. On a pre alpha out drive is there a little weep hole on the starboard side of the upper outdrive? Its between the - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Johnson Evinrude Mercury Mariner Force Chrysler Yamaha Mercruiser OMC Cobra. Install flushing attachment over water pickup holes in gear housing as shown. We stock remanufactured and new gearcases for Mercury and Mariner 60 to 275 horsepower, 1979 to 2011. I replaced the water pump assembly in the lower unit of my MerCruiser Alpha 1 sterndrive. Pulled that out and retested and everything was fine, so I filled it up. I have just changed the lower unit oil in my 2004 60 hp Mercury with about 100 hours on it. Almost 20 years ago, I ran OEM mercruiser alpha drives that these are a clone of for 10 years with just one rebuild and a set of propshaft seals -- it's not the most elegant design for shifting, but the season is short here from June to October. 20 bravo 3 drives. If this o-ring is bad, missing, or mis-aligned, you will get a leak out of the weep hole just below it. Heavy Maybe this is a stupid question (let me know if it is). Serving both the United States and Canada, Boatparts. Gear lube leaking from weep hole, SE 106 If this is your first visit, be sure to check out the FAQ by clicking the link above. Upper D/S Hsg. Trim the unit to the top and block it up with sometning, remove the two hoses from one side ram and plug the holes then remove the block and let the unit fall. It was dirty around the water pump but no obvious signs of leaking. 5L 250 HP Inboard, Sterndrive 2015 A 6-cylinder sterndrive power plant has been released by the folks in Fond du Lac, Wisconsin. I bet I have some water in the lower unit. Replaced water pump parts, installed new shift interlock cam and reinstalled. Other than that, I suppose I could pull the bottom cowl off and see if the block piece the oil plug fits into, is a separate unit that screws into the main lower unit. Model SE116 replaces MerCruiser's Gen II I/O with Three (3) Year Unlimited Warranty. Purchase FORD LEHMAN 120 & 80 FRESH WATER PUMP 5004985 MARINE DIESEL ENGINE 2715E 2712E motorcycle in Corpus Christi, Texas, US, for US $35. Since 1998, iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. This is where the gear lube is leaking out from. 99 FROM THE WEEP HOLE. Find Out Why I Have Outdrive Oil In My Bilge. This new, purpose-built 4. What is the weep hole near the thermostat housing on a 2002 dodge intrepid 2. Some plugs are on the side of the lower gear case and some are just ahead of the skeg. The oil that came out of the lower unit was the color of coffee with cream. Upper D/S Hsg. Lower drive unit to full IN/DOWN position. Requires (2) gaskets part # MC47-27-99777. When trying to re-install it stops short leaving around a 1" gap. (4) Engine mounted sea water pump application, for all engines with the block drain feature. I've been testing the beast with cuffs on for ignition purposes, so I would expect some oily junk from the exhaust, where the prop meets the housing etc. I've got TIG welder but know that welding cast aluminum is no fun (also concered that the cast alum. They tell you when the pump seal has begun to leak and your WP bearing is soon to fail. There is alittle oil/lube coming from a small drain hole(not the screws). My thoughts are that I need to drain the lower unit like right now and then worry about pressure testing and such on a warmer day. On a pre alpha out drive is there a little weep hole on the starboard side of the upper outdrive? Its between the - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. (3) Engine mounted sea water pump application, for all engines w/o the block drain feature. Install flushing attachment over water pickup holes in gear housing as shown. I was searching the archived section of the forum to find some info on the raw water pumps for the 4BTA motors, mine have failed again with only about 60 hrs. Bought a used Mercury 9. 29608 Screw, Gear Housing Flushing Hole Mercury 500hp , 4cyl , 18894xx Used Mercury - $2. What is this extra 3rd oil fill or vent hole in the lower unit of your 40HP Mercury Mariner outboard at the gearbox area that is not shown in the shop manual? The top two holes are a fill level. 0L Mercury Mercruiser engine mounted in a Glastron MX175 (2008) Boat. Shift Crank for a Mercruiser Sterndrive. If the ram is not leaking the unit will stay up. 3L) 1998, this Service Manual has detailed illustrations as well as step by step instructions,It is 100 percents complete and intact. Changing lower unit fluid on Honda's I'm thinking I should change out the lower unit fluid on both my 150hp main and 8hp Power Thrust motors, both Honda's. The trim pump works again and the lower unit raises and lowers. Torque Master Lower Unit Blockoff Plug Install W/Pics. I did one on an outboard that I had just picked up and hadn't had in the water. We ship parts and engines worldwide!* MERCURY PARTS CAN ONLY BE SOLD AND SHIPPED TO ADDRESSES WITHIN THE UNITED STATES. To my knowledge, they're supposed to use straight 30w motor oil. Water is were it shouldn't be and this will eventually ruin the gimbal and sterndrive unit. Sea Ray Boat Parts & Accessories. Re: Oil coming out of two-stroke exhaust I currently have a 6year old 90 merc that spits instantly, a brand new 250 Suzuki that takes 30 seconds or so to pee when cold, and just sold another boat with a 200 Yamaha on the transom that would start peeing for over a minute--and I had that one since new. MerCruiser # 14 Service Manual. Lower Unit 2. This may be from a defective impeller or an impeller that's no longer properly attached to its drive shaft. The oil that came out of the lower unit was the color of coffee with cream. The engine and outdrive are Mercruiser 160's. I have had lots of outboards and never heard of a lower unit weep hole. 5, however the helicoil and tap set I have is for a 1. Total time was less than an hour. You can get the seals at Bassetts near the N. 3 Mercruiser Motor. It has not done this in the past. The sending unit is located on the side of the intake camshaft housing on the 2. Check for residual oil that could have been come from the top weep holes and run down along the top of the cavitation,plate while underway. Good luck with it. Don't forget to place the socket head screw in the lower unit for the trim tab. Almost 20 years ago, I ran OEM mercruiser alpha drives that these are a clone of for 10 years with just one rebuild and a set of propshaft seals -- it's not the most elegant design for shifting, but the season is short here from June to October. Only had it out 2-3 times this year since winter, and I noticed that the fluid level is down about 1/2 inch below the "Add" line, and I'm concerned. Even as far back as the early 1980′s Mercruiser had the desire to develop a Marine Engine equipped with an automatic draining cooling system. Dropped lower unit and found impeller damaged and also quite a bit of wear on the shift interlock cam. I bet I have some water in the lower unit. On a pre alpha out drive is there a little weep hole on the starboard side of the upper outdrive? Its between the - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Likely your T-Stat did not open up to let water pass through to the pee hole. MerCruiser # 14 Service Manual. Outboat Lower Unit Oil: Light vs. 2) I checked the Gear Lube Oil Reservoir for the outdrive and that was at the "Full" line. I am prepping my (new to me last summer) boat for launch for the first time and getting the outboard (a 1984 7. What is this extra 3rd oil fill or vent hole in the lower unit of your 40HP Mercury Mariner outboard at the gearbox area that is not shown in the shop manual? The top two holes are a fill level. , weep hole leaking. Turned out I used the wrong water pump housing which caused oil to leak around the shaft and out the weep hole. Then I've seen people fill the lube bottle with the vent hole open until it stats to come out and then quickly put the screw in. How to Remove Your Mercruiser Alpha One Sterndrive. > I have a pre-alpha mercruiser (type MR) where I have the fill hole at > the bottom of the lower unit on the prop housing and the top vent hole. It is reproduced here on this blog, but I encourage you to go over to his blog site to read the whole story. I've looked online and can't seem to find the answer. Find a 1/4" socket that has the same outside diameter as the new brass bushing/seal. I have seen a lot of times where they don’t work too well. This is the Highly Detailed factory service repair manual for theCUMMINS MERCRUISER QSD 4. The weep holes are in the lower unit and come from an exhaust port if I understand right. These premium products offer maximum protection and extend equipment life, and deliver increased performance. There are a couple of things pertaining to the outboard cooling system. The sterndrive should be removed for service every season. Oil leaking our of "weep hole" in Alpha 1 lower unit. There is a seal which holds the water out but the shaft is hardened steel which can rust, pit and ruin the seal.