View Full Version : Any hydro pump repair guys?
02-25-2012, 08:22 PM
Both exmark lazer z pumps are leaking from mid seal. I will purchase seal kits, but since I will have both pumps dissembled what parts do you recommend to buy to rebuild the pumps. Each pump cost $450 each new :dizzy:. Mower has 3200 hrs.
02-25-2012, 08:43 PM
Buy the seal kits....you won't know which, if any other parts you may need till you get them apart...worn parts usually show themselves once the pump is taken apart.
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02-26-2012, 01:14 PM
if any metal wear from experince id go with new and flush whell motor well just saying been their done that 3200 hrs they have alot of hrs
02-26-2012, 09:02 PM
What model pump do you have on that mower? First hands down all the bearing.
02-26-2012, 10:09 PM
If leaks are the only issue, buy the seal kit and milk some more time out of them. Be sure to add the correct oil (mobil one 15-50). The exmarks and toros hydro systems are self purging but I always bleed the lines when installing new or rebuilt pumps anyways. Then I always crank the engine (once the hydro belt is in place) with the ignition leads off the plugs for 10 seconds ( to turn the pumps but not start the engine), replace the leads, start the engine and idle for 5 minutes. Then I slowly creep forward then reverse a few times until it feels fully responsive.
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