how often to change mercruiser impeller

Penta -Raw Water Pump Impeller change | D6 & D4 …

Changing an impeller in the raw water pump doesn''t usually take less than 30 minutes with a Penta D4 or D6. However, the hardest task is physical access to the pump and lack of room makes the position you''re working uncomfortable.

Mercruiser Bravo Three Maintenance Intervals

 · Thanks for your ideas on how often you do the propeller lube and impeller check/replacement. Even more appreciated is the reporting of what condition the impeller and propeller shaft were in when you did the job. So you guys replaced the impeller after three years and 125-150 hours and the impeller looked brand new. Very good information.

How often do you replace your water pump and impellers ...

2015-8-28 · I say, for no more than the hard parts cost, just change the impeller and housing every year with normal use. The memory deal on the impeller, especially on boats that are stored for months in cold climates, is even more of a factor.

How often should you change your water pump impeller?

2020-4-6 · Additionally, how long does Mercruiser impeller last? Mercury recommends changing impeller every 3 years. Also Know, how do you change a raw water pump impeller? Replacement is relatively simple. For raw water pump applications, first close the water intake thru hull valve. Then, remove the pump''s end cover screws and take off the cover and gasket.

Impeller change

 · Re: Impeller change Post by AsLan7 » Tue Oct 15, 2019 2:39 pm Krob1114 wrote: ↑ Tue Oct 15, 2019 11:12 am My bottle of Sta-Bil says to make sure tank is 90-95% full at storage.

How often do you replace your impeller? [Archive ...

 · As far a general rule they say 300hrs. My buddy bought my last boat and after last season it had 260hrs on it. He decided to change the impeller and was given the old one. The old one is like brand new. I run in clean lakes and any time I beach I walk the boat out deep enough so I …

How often do you change your impeller | River Daves Place

 · God the impellers are SOOOOOO much easier to change. I''ve never had a Mercruiser impeller come apart after sitting all winter.. or ever. This last one I changed last week was in the worst I''ve ever seen on any of my boats. It just had some visibly worn edges.

How often do you change your Seapump impeller/housing ...

2010-5-21 · Re: How often do you change your Seapump impeller/housing??? got stuck in rough water then broke loose and got close to other boats and started panicing didnt want to hurt someone elses boat guess thats why i have insurance to fix my stupid …

What Indications Tell You That You Need to Replace the ...

If you haven''t changed the impeller when you inspect the water pump, as part of the preparations for the winter layup or the spring fitting-out, three years is the outer limit. One manufacturer''s yearly or 100-hour maintenance schedule does not include an inspection of the water pump and impeller, but insists you change the impeller at 300 ...

Impellers-how often to change?

2021-2-1 · 2989 with 7.4 Mercruiser, B2. Boat is always stored on the trailer and I put on about 50-100 hrs/year. I change the impellers and housing every 3 years. During winter layup, I turn-over the engine every month the move the blades in the housing. The used impellers look great, but I …

How often do you change your Impeller?

 · How often do you change your Impeller? Welcome to TheMalibuCrew! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account .

How Often Should You Change Water Pump Impeller ...

2021-7-20 · How Often Should You Change Water Pump Impeller? Author : Efrain E. Silva. Ah yes. We come to a fun part I like to blow off steam here in writing about : water pump impellers, once more, but touching on the topic I mentioned briefly in 1 or 2 of my other blogs which you ought to check out when time allows —- that of how often to change the water pump impeller.

Changing A Raw Water Pump Impeller

Removing The Screws. As I mentioned this job is very, very easy. If you can change oil or an air filter or clean a blender after making frozen chick drinks you can certainly change an impeller.. Step 1: Loosen the screws and remove them. If they are frozen or rusted …

What type of maintenance does Mercruiser recommend …

 · Grease that Gimbal bearing with at least 10 pumps on the grease pump.. often Factory sez replace water pump impeller every year. I say 3 years and keep spared on board with wrenches needed to swap. I''ve had them last 8 years. Lube with dish washing soap if you do a long term lay up. Pour soap into hoses that connect from pump outlet.

496HO Impeller Replacement | Performance Boats Forum

 · 6,991 Posts. #10 · Apr 15, 2009. Outdrive1 said: The 496 has the worst design for an impeller housing, it''s the hardest to change. The newer ones with the stupid fuel cooler/filter assembly with the cartridge filter are even worse because it''s almost impossible to …

How often should you change outboard impeller?

How often should the impeller on a boat be replaced ...

Frequently Asked Questions | Mercury Marine

Answer: The Mercury Precision MerCathode system provides automatic protection against galvanic corrosion. It is a solid-state device that operates off a boat''s 12-volt battery and provides protection by impressing a reverse blocking current that stops the destructive flow of galvanic currents.

Impeller change on Mercruiser

 · Impeller change on Mercruiser Welcome to TheMalibuCrew! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account .

How often should you replace the raw water impeller ...

 · I have heard in the past, that a neoprene impeller if soaked in hot water for a few months will lose the vane set, but have no proof that it works. I would guess that that would not work with nitrile. The difference in the Jabsco part numbers, Neoprene is xxxx-0001b and nitrile is xxxx-0003b...

How often should you replace the raw water impeller? | …

 · I have heard in the past, that a neoprene impeller if soaked in hot water for a few months will lose the vane set, but have no proof that it works. I would guess that that would not work with nitrile. The difference in the Jabsco part numbers, Neoprene is xxxx-0001b and nitrile is xxxx-0003b. Good luck Jon

Replacing 4.3L Alpha One Water Pump Impeller?

 · Has anybody here ever tried this: How to Replace an Impeller on a MerCruiser Alpha One. Seems pretty darn straight-forward. Doing it that way: Draining/refilling the gear oil isn''t necessary. 2. Mark the position of the trim tab. Remove the Allen screw that …

How to Replace Your MerCruiser Water Pump Impeller ...

On Mercruiser Alpha models this could be an imporperly sealed pump housing in the sterndrive that draws air once the boat is up and running on plane. On Bravo models this could be a non-sealing pump housing or loose connections on the inelt water hose. Link to Impellers and Impeller pumps store category. Link to Impeller Kits Chart

How often to change impeller? | SailNet Community

 · I have a Yanmar 4JH2E. I had been under the impression that changing the raw pump impeller was just part of normal annual maintenance. I was told by a mechanic that the impeller is rated for 1,500 hours and does not need to be replaced annually. Could the 1,500 hour interval be correct or …

Mercruiser Bravo Three Maintenance Intervals

 · I could change an impeller for the cost of the impeller ($35) plus 3 beers. $265 is probably about right. Changing the impeller is a P-I-T-A. The pump has to come out . . . that takes about 1 hour. Then the impeller has to be changed . . . 1/2 hour. Then the pump has to go back in. So, 2-1/2 hours +/-.

how often do you change your impeller? | Boating Forum ...

 · Re: how often do you change your impeller? I''ve changed mine 3 times in 30yrs, I didn''t know your supposed to change them every year until I joined this forum, I guess I got lucky, always in fresh water and seldom in any mud or sand, I think that makes a big difference, the old impellers have always looked good besides a little curvature of the wipers.

How to Change Your Impeller (Mercury Engine)

 · The following article is how to change an impeller on a 2001 Tigé 2300 V with a MerCruiser 350 Mag engine. Other Tigé V-drive models may be similar. If you have a Direct Drive model you may pick up some useful tips, but the procedure for removing the pump will not apply. **** Disclaimer: The following instructions are

How often do you have impeller changed on water pump ...

 · I will be changing my water pump regularly from now on. perchjerker. 09-19-2006, 06:03 AM. you are wrong. it doesnt matter if its a strong runner and starts up everytime. Once that impeller goes all that will change. Every 2-3 years change it. staylor. 09-19-2006, 07:09 AM.

Impellers-how often to change?

2021-2-6 · Disconnect the fuel valve connector, sorry I don''t know the correct name for it. With it disconnected you can engage the starter to turn the engine without it starting. Spray wd40 liberally into the pump housing around the impeller and in the center. Bump …

How often should the impeller on a boat be replaced ...

How often should the impeller on a boat be replaced? It is recommended that a boat impeller be replaced every two to three years or 300 hours, whichever comes first. However, it is suggested to also visually inspect your impeller at the beginning of each season for any signs of wear or damage.