Hyundai Elantra 2001–2003 — technical service bulletin
Bulletin 126 · NHTSA communication 636888 · issued Jun 1, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2003
model years
3
vehicle entries
Official summary
Information on adjusting mechanical valves on vehicles equipped with the 2.0l 4-cylinder beta engine. *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.