Shouldn't take you longer than 2.5 hrs to change the pump, thermostat, and flush the system.

As Terry said, make sure the cone or the metal guide plate that's inside the housing isn't loose. If it is, you've got a bigger problem on your hand.

John

'98 SVT - modded
-15.01@91.8
'95 Suzuki GS500E
-faster than the above
---wanting a Speed Triple or Superhawk badly