2008 Cadillac CTS Spark Plug

First, you need to install the oil pan drain plug and NEW O-ring seal and lower the vehicle. Then, please install the NEW Oil Filter cartridge, lubricate the oil filter cap threads with clean engine oil, and install the oil filter cap and the oil fill cap. Finally, you should fill the engine with the appropriate oil type and quantity and install the front compartment sight shield as necessary.

First, you need to disconnect the battery, remove the oil filter and the A/C compressor and the power steering drive belt, disconnect the oil pressure sensor electrical connector and remove the power steering pump bolts and position the pump aside. Then, please remove the A/C compressor bolts and reposition the A/C compressor, remove the bolts securing the wire harness bracket to the Oil Filter Adapter. Finally, you should place a drain pan under the vehicle to remove the oil filter adapter bolts and the oil filter adapter.

First, you need to turn the ignition OFF and remove the fuel injector sight shield. Then, please disconnect the heated Oxygen Sensor (HO2S) electrical connector and remove the HO2S electrical connector from the wiring harness bracket. Finally, you should remove the HO2S from the catalytic converter.