Chevrolet S10 1997–1998 — technical service bulletin
Bulletin 861108 · NHTSA communication 615094 · issued Jul 1, 1998
Technical service bulletin
communication type
Visibility
component
1997–1998
model years
2
vehicle entries
Official summary
Subject regarding heater coolant reservoir leaking. *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.