Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Date Published
APR 12, 2021
NHTSA TSB #
10191175
TSB Document
Summary
Some 2020 Transit vehicles may experience a pop/sizzle/crack noise from the exhaust. This may be due to water dripping on the exhaust from the evaporator drain tube. To correct the condition, follow the Service Procedure to extend the the length of the evaporator drain tube.