Dodge Ram 3500 2011–2012 — technical service bulletin
Bulletin MDH020321 · NHTSA communication 10057948 · issued Mar 1, 2015
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2012
model years
6
vehicle entries
Official summary
This tsb contains an owner notification letter. See document search button for owners letter. Fiat chrysler 2011-2012 ram truck cab chassis (3500 series), (4500/5500 series). The coolant hose bundles for the def and all hose clamps related must be replaced. *lj
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.