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Service bulletin PI1384A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10082868
Published by NHTSA2016-10-19
Manufacturer's numberPI1384A
Manufacturer's date2016-08-12
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

NHTSA's summary

THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO TEST THE COOLING FAN CIRCUIT FOR RESISTANCE IN ORDER TO PREVENT THE FAN MOTORS FROM LOSING PERFORMANCE ON POLICE VEHICLES.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Cooling fan, Cooling system

Vehicles listed
CHEVROLET IMPALA2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
14588C2023-12-18. Service bulletin. Engine Cooling Fan Motor
PIP5684B2020-08-10. Service bulletin. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
19NA1042019-07-29. Service bulletin. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
PIP5257B2018-08-20. Service bulletin. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped for possible leaking into the cooling system through the radiator. If no issue found replace the engine as well as all rubber coolant hoses.
PIE0385B2018-05-21. Service bulletin. This engineering information bulletin ends the need for information from the field on vehicles that have the concern of a noisy water pump.
15-NA-0532018-05-21. Service bulletin. This technical bulletin provides a procedure for installing fan guards on both driver and passenger seat cooling fans due to the ventilation fans coming into contact with the seat cushion pad causing a noise when in use.
PI12032018-05-21. Service bulletin. This preliminary bulletin provides information of a normal condition of steam coming from the front grill area after the front gets wet and then heats up from the engine components.
PIP55492018-02-21. Service bulletin. This Preliminary information communicates a diagnostic trail to a likely conclusion for lean codes on these vehicles.
PIP4957B2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a Hoot, Gurgle, Howl, or Swoosh noise from the engine cooling system. Technician will need to replace the thermostat housing with the correct part number.
PIP4158E2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have low oil pressure, no oil pressure, and/or engine noise. Technician will need to replace the oil pump, flush the oil cooler lines.