Exhaust Manifold: Service and Repair
Exhaust Manifold and Attachments Overview
1 Gasket
• Always replace.
2 Nut
• 23 Nm
• Always replace.
3 Exhaust Manifold
• Coat the stud bolts on the cylinder head with hot bolt paste (G 052 118 A3).
• Remove upward.
4 Clip
5 Heat Shield
6 Bolt
• 10 Nm
7 Heated Oxygen Sensor (G39)
• 55 Nm
• Use the ring spanner 7-piece set (3337) for removal and installation.
• The threads of new oxygen sensors are coated with assembly paste.
• When reusing an old oxygen sensor, only use hot bolt paste (G 052 112 A3) to grease the threads; do not let the paste get onto the slits of the oxygen sensor body.
• If the sealing ring is leaking cut it off and replace it.
• Color of the harness connector: Black.