Chevrolet Venture 1997–1999 — technical service bulletin
Bulletin 000138011A · NHTSA communication 634989 · issued Apr 1, 2002
Technical service bulletin
communication type
Visibility
component
1997–1999
model years
10
vehicle entries
Official summary
Subject regarding poor heat with cold outside temperatures at low engine rpm. *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.