2000 Chevrolet Blazer Oxygen Sensor

You need to raise and support the vehicle, remove the oil pan drain plug and drain the engine oil into a suitable container. Then you need to remove the Oil Filter from the oil filter adapter or open the access panel in the steering linkage shield, depending on your vehicle type. After that, you need to remove the oil filter from the remote oil filter adapter. Finally, you need to inspect to ensure the engine oil filter gasket is removed.

You need to raise and support the vehicle, and position a suitable container to catch the engine oil. Then you need to position a suitable container to catch the engine oil and remove the oil filter. After that, you need to remove the Oil Filter Adapter and remove the oil filter bypass valve. Finally, you need to clean and inspect the valve bore for damage.

You need to first disconnect the Positive Crankcase Ventilation (PCV) valve hose assembly from the intake manifold. Then you need to disconnect the PCV Valve hose from the valve rocker arm cover. After that, you need to turn and remove the PCV valve cover from the upper intake manifold. Finally, you need to remove and discard the seal(O-ring).