Chevrolet Cavalier 1998 — technical service bulletin
Bulletin 98017 · NHTSA communication 609673 · issued Aug 1, 1998
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998
model years
4
vehicle entries
Official summary
Valve rocker arm cover failed, causing oil cnsumption to increase. Yd
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.