How often should sterndrive impeller be serviced?
every two years
Keep your sterndrive running cool by servicing its water pump impeller. Most engine makers recommend changing impellers every two years — sooner if operated in sandy or silty water.
How long do boat impellers last?
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.
How long does it take to replace impeller?
The Raw Water Pump Changing an impeller is not a daunting task and it’s one that every boater should consider adding to their arsenal of DIY maintenance. Changing an impeller, on many engines, usually takes less than 20 minutes even if you are fairly slow.
How do I know if my boat impeller is bad?
Signs of a bad boat impeller are either boat engine overheats when you try to accelerate, loss in impeller vanes flexibility, physical wear & tear like cracks in impeller vane roots, melted or worn of vanes. Even if you see less or no water coming out of tell-tale, it might be due to a bad impeller.
Is the impeller the water pump?
The heart of the cooling system of your vehicle is the water pump, and as a key part among its components to carry out its function, there is the impeller.
Why do impellers fail?
Abrasive sandlike material can cause the impeller to wear out faster. Impellers can also wear out by becoming stiff and brittle due to the motor sitting unused for several seasons or being exposed to heat. Water lubricates the impeller, and if it’s run dry, the impeller can be ruined in a few seconds.
What are the symptoms of a bad impeller?
The symptoms of a bad impeller are your temp will be good at idle but when your increase your speed the temps start to increase.