18 40 020
Only perform these tasks on an engine that has cooled down.
Necessary preliminary tasks:
Remove exhaust system.
Remove right control sensor
Remove right monitor sensor
Remove right engine support arm
For purposes of clarity, illustration shows and description refers to the removed engine.
Remove exhaust manifold downwards.
Seal beads faces the exhaust manifold.
Coat threads with copper paste.
Tightening torque, 18 40 1AZ.