if you have a MC unit( it has the push pin in the top of the vertical drive shaft, then the bearing preloads by pushing down( thats why that pin is spring loaded). If you have an alpha unit, it usues the forces of the gears trying to push them selves apart and preloads the bearing by pushing the shaft up. Either way, that shaft is going to have a bunch of slop in it just sitting there. Go ahead and repalce the water pump base while you're at it, just use two large screw drivers to pry the base upward. Takle speciual care to use hte correct gasket and oring apon reassembly, just match them up with what you took off, thoses kits have a bunch of parts that you won't need in them, they fit several models. ANd liek Ferm said, watch out for that small o ring between the upper and lower unit, I usually glue the new one in place so it wont go any where
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02-21-2009, 09:45 PM
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