How to change impeller on mercruiser

Full impeller and housing replacement. Push the pump body down the driveshaft and over the impeller turning the driveshaft clockwise as you do so.

The rubber impeller inside the pump housing suffers.

How to change impeller on mercruiser. Replace the Sea Water Pump Impeller Watch How To Video Impellers should be replaced every other year. It is important to realize that even with a new impeller just a small amount of scoring to the pump body can effect the output flow of the pump significantly. How to replace the impeller on a Mercruiser Alpha One sterndrive My Boat DIY - YouTube.

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.

I just received an e-mail from Mercruiser Customer Service regarding instructions on how to change out an impeller on my Mercruiser Tow Sports. Basicly due to the low location of the seawater pump it is very difficult to access the backing plate bolts down low with several hoses and fuel line in the way. The raw water impeller on my 74L mercruisers are not difficult to replace.

Ensure that all the heat exchangers are reverse-flushed to get all the fragments out. I use white lithium grease on the replacement impeller to aid installation and initial start-up lubrication. I put under the impeller a large socket and let it rest on the vise under the impeller.

Now continue to twist the impeller and hit the 24s gently with a hammer. The 24s will slip downward in the vise the socket will hold up the impeller and you will continue to twist and press the impeller into the housing. Remove the impeller from the pump replacement kit and slide the impeller down the driveshaft and over the impeller key.

The impeller blades should curl to the left – counterclockwise – when viewed from above. Push the pump body down the driveshaft and over the impeller turning the driveshaft clockwise as you do so. Bravo 1 impeller replace remove that.

Locate the 2 mounting bolts on the mounting bracket to the right of the pully loosen this allows the pump to move toward the crank pully to remove the belt. Remove the bolts and the pump body is free to drop down to remove the hoses. Mercruiser outdrive water pump replacement.

Slide the small hole gasket the pump faceplate and the large hole gasket in that order down the driveshaft and into place atop the drive unit. The rubber impeller inside the pump housing suffers. Mercury recommends changing impeller every 3 years.

Consequently 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 pumps end cover screws and take off the cover and gasket. Once you have the shaft cleaned remove the rubber seal that sits on top of the water pump. Next loosen all the nuts and the one bolt that holds the water pump to the Outdrive.

Gently remove the top part of the water pump making sure the impeller stays inside the pump. Next remove the metal plate with the gaskets. What do you guys expect to pay for parts and labor for a Mercruiser 57Alpha One impeller change.

2005 Sunsation Dominator 32 - twin. 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. Drainingrefilling the gear oil isnt necessary.

Only thing Im wondering about is this bit. Mark the position of the trim tab. Remove the Allen screw that holds the trim tab in place and.

Mercruiser Impeller replacement on a Alpha one Generation 1. Full impeller and housing replacement. How to replace your alpha one lower end impeller water pump.

How to replace install your alpha one impeller on your mercruiser. Gen 1 gen 2. Lower end oil change video.

Changing an impeller on many engines usually takes less than 20 minutes even if you are fairly slow. The most complicated aspect of the task is physical access to the pump. Raw water impellers are a wear item unfortunately they do not always abide by a.

Replacement is relatively simple. For raw water pump applications first close the water intake thru hull valve. Then remove the pumps end cover screws and take off the cover and gasket.

Take the old impeller out by gripping the hub of the impeller. Before you do the surgery to replace the impeller the check-hole of your motor may simply be plugged. Ive had to use a toothpick to clear debris from our Honda15 many times.

I change the impeller on our motor every three years and keep the old one as a spare.