Here are some highlight from the replacement of the Oil Pressure Sensor (Sending Unit) on my 2007 Chevy Suburban. (P0521 OBDII code) This process should be similar for other GM vehicles with the same 5.3L engine.
► DISCLAIMER
I am not a professional mechanic! This video is for entertainment purposes only and is not intended to take the place of advice from a professional mechanic.
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►Sensor:
https://www.oreillyauto.com/shop/b/engine-sensors—emissions/engine-switches/oil-pressure-sensor-switch/320d93409c91/v/a/18976/automotive-suv-2007-chevrolet-suburban-1500
►Socket:
https://www.oreillyauto.com/detail/c/lisle/lisle-1-1-16-inch-oil-pressure-switch-socket-3-8-inch-drive/lis0/13250
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#suburban #chevy #P0521