Affected Component: UNKNOWN OR OTHER

Date Published
SEP 28, 2021
NHTSA TSB #
10201906
TSB Document
Summary
Some 2020-2021 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.