Help!! Pump Removal(2004 SJ)

SXIPro

JM781 Big Bore
Replacing my pump shoe. Removed intake grate, removed ride plate, removed 4 bolts mounting pump to hull disconnected cooling lines and steering. Tried yanking straight back, tried pulling down away from hull. This thing ain't moving. What did i miss? This pump does come off in one piece right, or do I have to remove the other long bolts and split it in half like I was gonna install an impeller?
 
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