Check for Methane Leaks or Loss of Vacuum
Note: Some frosting and sweating is normal around the plumbing fittings in the shrouded end of the tank.
MAINTENANCE AND LUBRICATION
Primary LNG Tank Vent Piping
Chassis-Mounted Charge Air Cooling (CMCAC)
Vehicles equipped with CMCAC require the following preventive maintenance:
Daily — Remove all insects, leaves and other foreign debris from the frontal area by using a firm bristle brush and soapy water.
* Whichever occurs first.
Source: MaintainX (Community Member)