Dodge Ram 1989–2001 — technical service bulletin
Bulletin 0900401 · NHTSA communication 628237 · issued May 18, 2001
Technical service bulletin
communication type
Engine and Engine Cooling
component
1989–2001
model years
13
vehicle entries
Official summary
Customer may complain of high oil consumption, grey oil smoke coming out of the exhaust or breather tube, or mechanical knocking. *tt
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.