How much does it cost to replace impeller?
The impeller should run around $30/40 and take about 25 minutes or so. The hardest thing is getting the speedo tube back in place. Just apply greese on the bolts and impeller shaft and jog the propshaft and it should go smoothly. The last one I had put in my 50 hp Merc 4 stroke was about $125 installed.
How to replace your MerCruiser water pump impeller?
You should remove the hoses from the thermostat housing to the supply pump outlet as well as the pump inlet hose and backflush all the way out of the sterndrive to ensure there are not any restrictions. Step #5: Make sure that there are no leaks on the inlet side of the water pump that would allow the pump to draw air and therefore cavitate.
How often should I Change my outboard water pump impeller?
boats.com Senior Editor, Lenny Rudow, walks us through the steps on how to change your outboard engine water pump impeller. It’s good outboard maintenance practice to check your water pump impeller every season, and replace it every two to three seasons.
How do you install an impeller on a water pump?
Put a dab of grease on the woodruff key to prevent it from falling out of its channel in the driveshaft. Step 10. Install the impeller over the driveshaft and onto the woodruff key. Watch the clip below to see the impeller installation segment of our Mercury 200XL Verado water pump and impeller repair video.
How do you replace a water pump on a boat?
Step 1. Remove the four 10mm bolts securing the water pump housing, then remove the housing by sliding it up and off the driveshaft. Step 2. Remove the impeller and the woodruff key securing it against the driveshaft. NOTE: The impeller may come off with the water pump housing or may remain on the driveshaft.
You should remove the hoses from the thermostat housing to the supply pump outlet as well as the pump inlet hose and backflush all the way out of the sterndrive to ensure there are not any restrictions. Step #5: Make sure that there are no leaks on the inlet side of the water pump that would allow the pump to draw air and therefore cavitate.
When to replace water pump housing and impeller?
NOTE: The housing has a longer lifespan than the impeller, so it’s more likely that the impeller will need replacing but the housing won’t. However, any mechanical part will eventually become worn, so if you see any wear inside the housing, it’s time to replace it.
Where can I get a water impeller repair kit?
OEM impeller repair kits from Mercury/Quicksilver ensure you’re getting the best for your engine and saves you time and money. Refer to your service and/or owners manual for more information.
Step 1. Remove the four 10mm bolts securing the water pump housing, then remove the housing by sliding it up and off the driveshaft. Step 2. Remove the impeller and the woodruff key securing it against the driveshaft. NOTE: The impeller may come off with the water pump housing or may remain on the driveshaft.