Philips AventComfort Manual breast pump

My Philips Avent breast pump has too much suction

My Philips Avent breast pump is leaking

My pump does a squeaking noise when moving the handle. Why is that?

Using the Avent breast pump, I express little/no milk

It hurts when using the Philips Avent breast pump.

My Philips Avent electric breast pump's suction is too low