Condition where the HVAC Evaporator Drain Hose has become obstructed with an insect nest

Bulletin number

T-SB-0033-14

Component

Engine and engine cooling: cooling system: hoses/lines/piping/fittings

Summary

Some vehicles in particular geographic areas may exhibit a condition where the HVAC Evaporator Drain Hose has become obstructed with an insect nest. An insect repellent drain hose tip (ARINIX® Tip) is now available to help minimize future occurrences of this environmental condition. For some models, a new drain hose is required to properly fit the ARINIX® Tip. Follow the procedures in this bulletin for proper handling and installation of this optional service part.

Owners of these vehicles have filed 2,988 complaints in the engine category.