The oil pan must be removed. From there, you can see how the oil pump and sump screen are mounted. Hope this helps you at least get things rolling.
Inside the engine. You have to take the oil pan off.
Most of the later GM washer pumps are located at the botoom of the washer fluid container. You will need to remove the tank to get access to the pump.
that pump is in the fuel tank
How can you tell if your power steering pump went out? How can you tell if your power steering pump went out?
If you push the fluid button and the wipers move then it is the pump
Mounted on top and inside the fuel tank.
To change the water pump simply remove the bolts from the waterpump, pull it off and replace with new. The power steering pump will need to be loosened and moved aside to remove one bolt. Clean old gasket from engine block and replace with new gasket and replace with new waterpump.
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"How do you replace 1999 BMW 528i washer pump?"
Mounted in the top of the fuel tank.
it may be the fuel pump,
lower the engine from the car