Where is the power steering pump located on the engine and is it a big job? on 2000 Cadillac Seville STS

Power Steering Pump going out is it a big job to replace it?

Asked by for the 2000 Cadillac Seville STS
follow supply line from resivoir, pump will be at bottom. 2 or 3 hour job by skilled tech. all day for novice(lol). pump $250.00, labour 3 hrs.(to be safe). rate depends on shop.