| Originally posted by andrewgrhogg@Feb 18 2005, 11:16 PM |
OK - i spent a little more time poking around inthe engine and timing how long the
Does anyone have any idea what this thing is and why it is making this noise? And is it normal or is it broken?
It's called Secondary Air Pump. Typically, that motor is activated approximately 2 minutes after the start up. Then, it stops automatically. You will see a vavle connected via hose. Due to age, the valve starts to go bad and lets moisture in to the pump. As the moisture damages the motor... the noise you are hearing is that of motor slowly going bad. The noise will gradually get worse. Eventually, you'll have to replace the Secondary Air Pump, the valve, and it's gasket.