REMOVE ENGINE UNDER COVER NO.2 (w/ Engine Under Cover No.2)
Remove the engine under cover No.2 together with the engine side under cover LH and engine side under cover RH (for Wide Body).
REMOVE OXYGEN SENSOR
Remove oxygen sensor (w/ secondary air injection system).
Disconnect the oxygen sensor connector.
Using SST, remove the oxygen sensor from the exhaust pipe assembly front.
Remove oxygen sensor (w/o secondary air injection system)
Disconnect the oxygen sensor connector.
Using SST, remove the oxygen sensor from the exhaust pipe assembly front.