Exhaust System: Service and Repair

Lubrication To Prevent Seizing
Threaded joints subjected to wide temperature fluctuations have a tendency to seize, making removal more difficult.

Typical threaded joints of this type are:
Oxygen sensor
Retaining nuts for the exhaust manifold and turbocharger

Recommended lubricants: MOLYCOTE 1000 30 20 971 of NEVER SEIZE.