Chevrolet Spark 2014–2018 — technical service bulletin
Bulletin PIP5581 · NHTSA communication 10143786 · issued Jul 31, 2018
Technical service bulletin
communication type
Power Train
component
2014–2018
model years
5
vehicle entries
Official summary
This Preliminary information communicates to the dealer technician thatdegradation of the CVT fluid may alter the friction characteristics and lead to shudder concerns during a high range to low range downshift. The information advises the dealer on how to replace the CVT fluid ifdegradation is found.
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.