How often should you change water pump impeller?
Generally speaking a 5 year interval likely works well for most folks. TomP. Mercury recommends changing the impeller every 300 hours…its in the owners manual. It’s an easy enough job to do yourself if you have some mechanical skills.
How do I know if my impeller is bad?
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.
How long does it take to change an impeller?
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. The most complicated aspect of the task is physical access to the pump.
How hard is it to replace impeller?
How long will an impeller last?
When you look at the shelf life of the typical impeller, it is typically listed as 10-15 years. i.e. how long the impeller will last if it has been manufactured and sits out its life on the shelf. So, the life in your motor will be less than that.
What happens when impeller goes bad?
If your impeller fails, the pump can’t pump cool water to the engine causing your engine to overheat. If you catch that your impeller is failing early on, you might avoid major problems. However, if you’re not fortunate enough to catch a bad impeller, the results can be catastrophic to your engine.
How often do you change your impeller?
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 operating hours or three years, whichever comes first.
Do I need to replace my impeller?
In most cases you will never need to replace the water pump assembly, just the impeller. Sometimes the rubber impeller becomes un-bonded to the metal hub making for an inoperative pump. Inspection : Check if there is any wear or deformities on the impeller, if so then replace it. Also check for deterioration/scoring of the stainless steel base plate along and the housing cup that the impeller sits in for wear or grooves, you may consider replacing both the plate AND cup, OR the complete
How often should the impeller be replaced?
It’s generally recommended that the impeller and related cooling system components be replaced every 100 hours, which for the average New England boater translates to 2 seasons of use.
How often should you change the impeller in your outboard?
Impellers should be changed, at a minimum, every 3 years. This is my common sense approach. Manufacturers recommend different times for different outboards and I’ve even heard of recommendations to change them as often as once per year.