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RecallGazette

Vehicle problems, recalls & safety intelligence

Chevrolet Silverado 2016–2018technical service bulletin

Bulletin PIP5504A · NHTSA communication 10129072 · issued Jan 17, 2018

Technical service bulletin
communication type
Power Train
component
2016–2018
model years
15
vehicle entries

Official summary

This Preliminary Information communication provides information and definitionsto the technician about vehicles that have fishbite, chuggle, misfire,AFM disturbances or torque converter shudder/vibrationconcerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed and no debris is found in the transmission fluid pan the technicians are instructed to flush the transmission fluid three times. If debris is found in the transmission fluid pan the technicians are instructed to also replace the torque converter.

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.