Chevrolet Camaro 1998 — technical service bulletin
Bulletin 98022 · NHTSA communication 601897 · issued Jun 10, 1998
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998
model years
3
vehicle entries
Official summary
Vehicles equipped with 5.7l engines may have an exhaust gas leak between the spark plug(s) and the cylinder head because of improper machining of the cylinder head. *tt
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.