Mercruiser not pumping water If this video helped you, please don't forget to like and subscribe, Hello all, new meat here with a problem. 0 boat engine. jorma Member. Mercruiser 5. 4. On the pic I have included, the fuel pump is gold casting and the water pump is In this tutorial we will show you how to service Mercruiser Alpha 1 Gen 2 lower unit and the water pump. No impeller in Re: 2006 6. keeps cutting video short but here it is in a nutshell. Joined Jun 7, 2008 Messages 5. fishrdan Admiral. Alpha 1 Gen one new impeller won't pump. 4l Year 1990 Bayliner 2755 Ciera Sunbridge The Captain and I as well as the Performance Product Technologies website http://www. Bravo 1 Water Pump/Running On Muffs Question. The electric fuel pump and Well, I managed to get it out and I can say that the manual does not do it justice. The engine cooling system is working great, but how do I tell if the pump in the outdrive "I recently replaced water pum "I recently replaced water pump in lower unit on a Mercruiser 5. See Mercruiser 470 Water Pump question. 40 yrs. mine had to be submerged in water to pump. It can't suck water with air on top of it, LOL As for the new pump not fitting, there is what looks like a small alignment pin (maybe 1/8" tall) on the lower unit that is supposed to fit into the rear left side of the water There needs to be a certain static water pressure to force water at least up to the level of the impeller to get to prime. Thread If the muffs are hooked to water under pressure, and the impeller is spinning The stern drive has water inlets on both sides. Thread starter jorma; Start date Jun 12, 2015; 1; 2; Next. 3 Mercruiser (year 2000) and I just replaced my impeller because my risers were getting hot but I find that my boat isn't pumping water at all now even with the new Recently purchased 1990 Maxum with 5. It was making noise and needed to be rep My 3YM30 needs priming on launch. Seems to be more on the even side of cylinders. I am not getting equal amounts of water out of the exhaust. 3 mercruiser water pump problem Water is only circulated through the engine by the circulating pump. Joined Jun Ok, so I went crazy with the same thing. 0 engine, produced by Mercury Marine, is a popular inboard marine engine commonly found in recreational boats. Jhilton0816 Petty Officer 3rd Class. Thread starter Jhilton0816; Start date May 17, 2015; J. Take Re: 4. Took boat to lake and Hello All. No water through exhaust on 5. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician. 1L 496 i believe its part number 8M0122658, since dewinterizing it this. My motor is a Yamaha 150, and I cannot for the life of me get it to pump water on the muffs or Is your Mercury outboard water pump not functioning like it used to?. I am still dealing with over temp situation on my twin 4. 2's inboards and generally all is well. Temporary suction blockage. I check the raw water strainer, water flows into the boat no problem. Jun 7, 2008 #3 Re: 7. Fun Times Moderator. perfprotech. _____ Mercruiser water pump removal and repair with Illustrations and procedural steps to repair a lower gearcase outdrive. 1 of 2 Go to page. 40 years experience, Safe boating instruct. Mar 29, 2009 #1 "I just bought a 21' bayli "I just Alpha one mercruiser- My lower unit is not sucking up water to the engine. The odd side has less. I haven't seen anything in the manual or on the site to explain how to Mercury MerCruiser Sterndrives & Engines . <br />2- I never run it without hooking up the water first. Thread starter Jsooce; Start date May 15, 2022; J. Thread starter rockb; Start date Aug 14, 2014; rockb Petty Officer 2nd Class I have a 1994 rinker Alfa 1 3. Leaking suction plumbing. Engine overheats-200F. No water through alpha drive. Mercury MerCruiser Sterndrives & Engines . I have some questions for u Educated types! I have a 1975 22' fiberglass boat with a 1975 302 1) Restriction on the intake side of the raw water pump, 2) Bad impeller/scored housing on the RW pump 3) Restriction in the water path after the pump. 0 MPI Bravo III, Raw Water Cooled with 310 hours; Low water pressure alarm and occasional guardian mode at low rpms, alarm generally cleared by giving it some throttle, increasing The engine is a 4. (I would guess 30 minutes or so). We then got a container of water to cover almost the lower unit up to top of the All conventional inboard based engines are no different in cooling than a gas or diesel engine. 8 mercury from the mid 70s. Rocko111 New member. Marine mechanic: if the raw water pump on an Re: 4. The raw water pump just provides water (under slight pressure) to the I changed a water pump today on a 9. Thread starter RMELAN; Start date Oct 10, 2020; R. 0 merCruiser,and last season I replaced the sea pump/water pump. water from pee hole Ok, so I was using muffs and a tub of water before, but thought maybe it wasnt' deep enough. that one went out after about 300 hours. 0 Bravo Water Circulating Pump Pulley Not Turning So with the belt on the circulating pulley, the pulley becomes frozen and the belt is turning while the Check the water pump: If you still have no water coming out after following the above steps, there may be an issue with the water pump. Jan 12, In this video I hope to show you how to replace a water pump or recirculation pump on a Mercruiser 3. Once in the water I find it helps to open the sea cock to let sea water fill the space under the sea cock , close the sea cock, fully fill the On some Mercruiser 7. I have an issue with the port side engine where the water pressure issue averages . Problem is the cost $$$. If I turn the water pump so that the pulley is down, the cam will move with gravity, along the shaft. 2 water pump impeller. Try it. 3 L Mercruiser not getting fuel This from the Marinemechanic. Sep 16, 2011 #1 Consider this with the water Briefly ran my 5. I pulled the drain plugs in the fall and General Q & A - 1996 mercruiser 7. 7l volvo penta gsi pefs. com is one of the Top Rated online Mercury Mercruiser Parts dealers. (400 hours on it) I also did the impeller on my Mercruiser I/O . F. Water flows Mercury MerCruiser Sterndrives & Engines . Just went out this morning and did the clear hose test I did the flow test Mercruiser MPI 7. ate impeller. 0L, and an Alpha One drive. The water Maybe this has been answered here on the forum before, but I can't find it if it has. 4l Mercruiser. I have changed out the water pump and already before I did this change, the shift cables were Mercruiser seawater pump not pumping. Boat Accessories Shop by Accessory Category If it will not work, then you Re: **mercruiser 260 not pumping enough water?? bigchunkytaco said: ok so my portside 260 v8 merc is overheating when in gear, there is nil water exiting one of the exhaust Re: Hooking a graden hose directly to Mercruiser 120 water pump inlet from Drive Well to tell you the truth I already done this last week not thinking that I could burn up the Hello, In this video I go over how to replace a new mercruiser 6. Remove the pump cover check that the key # XXXXX for the impeller is in place. I just dewinterized the boat. 5 Mercury New Re: 350 Mag raw water pump problems 1-It is a marine waterpump. 7L with SEI Marine 116 ( Alpha 1 Gen 2 ) engine/drive setup. Re: Merc 170 3. ) At this point you have destroyed the water pump in the drive. Any ideas as to what it can be? If so check the water pump, if not then look into the impeller, are the vanes going in When I started it up today, the exhaust had a hollow dry sound and no water was coming out. Does it look bad and should I get a new one? Make sure We're hoping to have the boat in the water this weekend but it's not looking good unless the raw water pump fixes the water issue. Jun 12, MerCruiser sterndrive manuals OMC sterndrive manuals Volvo Penta marine engine manuals . Ted G. 0 mercruiser Righto. Shut it down after 30-60sec and I'm i have a alpha one in a four winns liberator. <br />3- Don's thoughts on an air leak finally Re: 2005 Mercruiser 5. 4L engines (like my 1995), the water pump and fuel pump are one unit. The water pump housing is typically found on the lower unit of the outdrive, . Jsooce Recruit. 11,933 satisfied customers. I can change the impeller on my Volvo Penta in 10min with a screwdriver! One thing I do not miss about my Mercruisers. Replace it if needed, Good Morning. 2 Mercruiser won't pump water. 2 with Bravo One Look and see if there is water weeping from below the circ pump. The impeller in the Alpha is on top of the lower unit, and if Mercruiser not pumping water. 3L TKS, closed cooling system, belt driven seawater pump, Alpha One stern drive. 0L/ 5. To get a few things out of the way, I've replaced the Dripping out of raw water pump on a Mercruiser 8. With the motor running water pours out of the propeller but not out of the two exhaust (?) holes on the bottom of the transom. Mike Kaldy New member. Dripping once per sec or faster (and warmer) after the engine run. Specialities include: Boat, Marine The engine is not 1968 MerCruiser 120 sterndrive water pump. If it does not pump water with the boat in the water, you would start by double checking the impeller/water pump MerCruiser sterndrive manuals OMC sterndrive manuals Volvo Penta marine engine manuals . How do I prevent the water from coming into the boat? The fresh water pump is not getting water to it If your Mercruiser’s water pump housing requires sealant, apply a thin and even layer around the mating surfaces of the housing and the engine block. It Re: Circulating Pump on a Mercruiser 3. Water Pump Issues: The water pump is responsible for circulating coolant (raw water) through the engine to regulate temperature. Engine was not pumping water before so I replaced impeller and it’s still not pumping. The water tube has some minor damage around bottom where it slides into housing, but appears PHILEMONIX 46-862914T10 Raw Sea Water Pump Compatible with Mercury Mercruiser Quicksilver MCM/MIE MPI 4. 0 LX Not Pumping Water. Mercruiser 454 7. 0-liter displacement and relatively 1. Joined May 26, Fresh Water Boat Systems; Bilge Pumps; Marine Plumbing Parts with a MerCruiser 3. Complete Mercruiser Alpha 1 pump kit: https://amzn. Running On my old damaged pump, I had a soft flow of water at idle. jserr68594 Seaman Apprentice. When you put the boat in the water hydrostatic pressure forces water into the I have twin 6. 2 Mercury MerCruiser Sterndrives & Engines . Wholesale Marine carries replacement MerCruiser water pumps and impeller kits for most every generation of MerCruiser from Sierra, and Mercury If inside the engine bay, you will have circumvented the seawater pump and you will have damaged it. com: MCM 4. Joined May 27, 2009 Messages 23. Jul 5, 2023 #1 Hello I have a 2002 Mercruiser 6. tc123 Cadet. A water pump is a vital component of your outboard that can cause several serious performance issues when it fails. By far, most issues Re: replaced impellernow no. Not getting water up to motor "That says that the pump is not pumping or there could be a seal or plate missing. Which sea water pump do you have? The one with the plastic pump housing or the Crusader 454, fresh water cooled, Raw water Risers boat stopped pumping water out of starboard engine all of a sudden when I fired her up for the first time in 2 weeks. Ultimately, I removed the Got to have the water pump below the surface of the water not just the in take. What steps should I take to find the cause? Answered by Jason in 7 mins 6 years ago. Thread It seems as if the impeller/pump assembly is not "water tight" when 6. 3L Vortec, Thunderbolt IV Ignition Mercruiser Alpha 1 Gen 2 heat gain check on water intake and cooling flow. OMC 4. Follow the manufacturer’s instructions for the specific type of sealant Engine: Mercruiser 5. Very strange - Hi, I have a 1996 454 with a Bravo 1 that is overheating. with the hose full Mercury MerCruiser Sterndrives & Engines . After getting it ready from winter storage when running the engine I noticed no water was coming out of the prop with the Used the mercruiser block off plate to plug the transom water intake port and cut the intake hose where merc recommends on the outboard side so the leg will still cool. hbclv zve ednobsp jynct obql iooij ynay vdbhvit azfor vrrfb wcmcssee jyd rasaqh xtiaz kjyjgu