Removing Water Pump Impeller

[brettagostini]

I'm trying to break down my lower unit.

The impeller, which according to my manual should just slide up off the drive shaft, won't budge.

I've given it a little shot of WD-40, but still no dice. Any tips on how to get the impeller off the drive shaft (short of cutting it off and buying a new one!)

Thanks in advance!!

 

[Gary H NC]

Re: Removing Water Pump Impeller

You need to buy a new one anyway....so smack it,pry it or whatever it takes without damaging the drive shaft or case..

 

[brettagostini]

Re: Removing Water Pump Impeller

Not arguing with you... I certainly have no knowledge base to stand on!

But, I'm just wondering... If I were able to get the impeller off the shaft in tact, why would it need to be replaced? It looks as if it is in fine shape.

 

[F_R]

Re: Removing Water Pump Impeller

Because they deteriate with age. Blades break off. The rubber comes unbonded from the metal hub. When it happens, it is too late, bye-bye engine. Impellers are cheaper than powerheads.

 

[EJ3]

Re: Removing Water Pump Impeller

Look at the bright side, impeller kits aren't expensive, you already have the lower unit off and a new impeller will make for a worry free season next year!

 

[brettagostini]

Re: Removing Water Pump Impeller

Thanks guys. That makes sense.

Now I just need to get the d@mn thing off!! )

 

[Silvertip]

Re: Removing Water Pump Impeller

A Dremel tool with a cut-off wheel works great for this. Cut most of the way through then split it with a cold chisel.

 

[samo_ott]

Re: Removing Water Pump Impeller

Silvertip has the best idea. You can shred the impeller, but dont damage the drive shaft, they're a lot harder to come by... And changing your impeller every other year is just considered good regular maintenance.