Toyota 4 Runner 2004 — technical service bulletin
Bulletin 04008 · NHTSA communication 10007089 · issued Apr 26, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004
model years
1
vehicle entries
Official summary
Crankshaft pulley and crankshaft seal replacement. Crankshaft pulley may have been improperly machined and may damage the oil seal causing a small amount of engine oil may seep out. Limited service campaign 40c. *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.