Chevrolet Silverado 2017–2019 — technical service bulletin
Bulletin PIP5487B · NHTSA communication 10143780 · issued Jul 25, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2019
model years
5
vehicle entries
Official summary
This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair. Customer has Warning Lamps and/Or coolant leaks present.
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.