Chevrolet Astro 1995–1996 — technical service bulletin
Bulletin 676538 · NHTSA communication 51321 · issued Feb 1, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1995–1996
model years
6
vehicle entries
Official summary
Dtc 32 and/or poor driveability conditions (install new memcal and clear all dtcs). *tw
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.