# Service bulletin PIP4482C

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.

- Type: Service bulletin
- NHTSA id: 10113915
- Published by NHTSA: 2017\-08\-15
- Manufacturer's number: PIP4482C
- Manufacturer's date: 2016\-03\-07
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

## NHTSA's summary

This Preliminary Information communication advises the technician of two types of DEX\-COOL 50/50 Premix are available through General Motors Service Parts Operations, one with bitterant and one without. Bitterant is a chemical that is added to products to make them smell or taste extremely bitter and is required in some states, such as California, Oregon, New Mexico, Colorado, and Vermont.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10113915-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10113915-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Cooling system

## Vehicles listed

- 2009 to 2011 CADILLAC ESCALADE
- 2009 to 2011 CADILLAC ESCALADE ESV
- 2009 to 2011 CADILLAC ESCALADE EXT
- 2008 to 2011 CHEVROLET SILVERADO 1500
- 2008 to 2011 CHEVROLET SILVERADO 2500
- 2008 to 2011 CHEVROLET TAHOE
- 2008 to 2011 GMC SIERRA 2500
- 2008 to 2011 GMC SIERRA DENALI
- 2008 to 2011 GMC YUKON
- 2008 to 2011 GMC YUKON DENALI
- 2008 to 2011 GMC YUKON DENALI XL
- 2008 to 2011 GMC YUKON XL

## Recalls for the same vehicles and component

- [16V868000](/recalls/nhtsa/16V868000.md), 2016-12-02: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

## Other bulletins for the same vehicles and component

- [18NA103](/bulletins/10183153.md), 2020-11-30, Service bulletin: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This service bulletin provides information to correct a customer concern of an in\-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp \(MIL\) is illuminated.
- [PIP5684B](/bulletins/10178370.md), 2020-08-10, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This Preliminary information communicates the use of air leak diagnostic test tool CH\-52250 in addition to the information found in the service manual.
- [PI1164A](/bulletins/10150630.md), 2018-12-10, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary bulletin provides information on how to check for ice and/or snow build up and to install a radiator cover to correct the customers concern of reduced engine power and service engine message on.
- [17\-NA\-035](/bulletins/10137638.md), 2018-05-21, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. This technical bulletin provides a procedure to replace the engine cooling fan to correct conditions of the engine cooling fan being inoperative due to moisture within the connector of the fan module.
- [17\-NA\-035](/bulletins/10113999.md), 2017-08-15, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. This technical bulletin provides a procedure to replace the engine cooling fan to correct conditions of the engine cooling fan being inoperative due to moisture within the connector of the fan module.
- [PIP5108](/bulletins/10112966.md), 2017-08-15, Service bulletin: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an audible engine whine noise at 1500\-1800 revolutions per minute. Technician will need to check the coolant level, remove serpentine belt to verify noise goes away, rotate the thermostat 90 degrees and retest, then replace thermostat and retest. Technician will replace the water pump if replacing the thermostat does not repair the audible engine whine noise.
- [PIP4158E](/bulletins/10112958.md), 2017-08-15, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING. 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.
- [PIE0368](/bulletins/10094789.md), 2017-03-13, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. THIS ENGINEERING INFORMATIONAL BULLETIN IS REQUESTING INFORMATION FROM THE FIELD WITH THE CONDITONS OF VEHICLE OVERHEATING, NOISE ORIGINATING FROM THE ENGINE COOLANT FANS OR POOR ENGINE COOLANT FAN PERFORMANCE.
- [PI0699](/bulletins/10043893.md), 2012-05-01, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. GM: GAUGE FLUCTUATION, VARIOUS DTCS, AND THE WIRING HARNESS MAY BE CHAFING/RUBBING ON A/C LINE. \*JS UPDATED 5/22/12. \*JS UPDATED 2/5/16. \*PE
- [PIP\-4895](/bulletins/10038606.md), 2011-06-24, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. GM: THERE MAY BE COMPLAINTS THAT THE LOW COOLANT LIGHT IS ON, LOSS OF COOLANT, OR EXCESSIVE PRESSURE. THERE ARE NO EXTERNAL LEAKS. \*RM

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