Crankshaft pulley

[soh_ii]

I was wondering if anyone would have any ideas on why my crankshaft pulley sometimes doesn't rotate or move?<br />I hear a squeal coming from either the water circulating pump/power steering, then the engine temp starts to rise.<br />Any help would be great.<br />Thanks<br />OMC 460/7.5

 

[bomar76]

Re: Crankshaft pulley

Impossible.<br />The crank pulley is bolted to the harmonic balancer which is bolted to the crank.<br />If the engine is running it all rotates.<br />Period.<br />No arguing.<br />Now, are you trying to say the pulley on the water circulation pump stops rotating?

 

[soh_ii]

Re: Crankshaft pulley

The belt appears to have slipped on the water pump, and it is not turning as fast as normal.<br />It will go in a very slow revolution then speed up,when this happens the temp gauge will start going back to normal.<br />I quess my eyes were thought that the crankshaft pulley was not turning. The smell of the belt burning I assumed coming from there.

 

[rattana]

Re: Crankshaft pulley

Bob, how tight is your belt? It could slip if it isn't tight enough.

 

[snapperbait]

Re: Crankshaft pulley

One of two things... Your water pump is toast, or the belt is'nt tightend properly...

 

[bomar76]

Re: Crankshaft pulley

As snapperbait said:<br />1. Tighten belt (why not put a new one on while you are screwing with it? I would if it had been slipping that much)<br />2. Not fixed? Install a new MARINE circulation pump.