Affected Component: ENGINE AND ENGINE COOLING

Date Published
FEB 12, 2020
NHTSA TSB #
10171949
TSB Document
Summary
SSM 48543 - 2015-2019 Transit - 3.2L Diesel - Overheat Due To Coolant Loss Without An External Coolant Leak Some 2015-2019 Transit vehicles equipped with a 3.2L diesel engine may exhibit an overheat condition due to coolant loss without any external coolant leaks. This may be due to an internally leaking exhaust gas recirculation (EGR) cooler. To correct this condition, install revised EGR cooler CK4Z-9U433-B. Refer to Workshop Manual (WSM), Section 303-08. Use causal part 9U433 and applicable labor operations from Section 09 of the Service Labor Time Standards (SLTS) Manual.