# Service bulletin PIP\-4822

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: 10036364
- Published by NHTSA: 2011\-03\-14
- Manufacturer's number: PIP\-4822
- Manufacturer's date: 2010\-08\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM

## NHTSA's summary

CHEVROLET/GMC: POSSIBLE ENGINE OVERHEAT OR LOSS OF COOLANT. NORMAL SI DIAGNOSTICS WILL LEAD TO INSPECTING THE WATER PUMP FOR PROPER OPERATION. WHEN WATER PUMP IS REMOVED, BE SURE TO INSPECT THE IMPELLER. \*PE

## 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 system

## Vehicles listed

- 2008 to 2010 CHEVROLET EXPRESS
- 2008 to 2010 CHEVROLET SILVERADO
- 2010 GMC SANANA
- 2008 to 2010 GMC SAVANA
- 2008 to 2010 GMC SIERRA

## 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.
- [PIP4482C](/bulletins/10113915.md), 2017-08-15, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. 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.
- [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.
- [PIP5152](/bulletins/10063008.md), 2016-04-26, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
- [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
- [08\-04\-19\-004](/bulletins/10026624.md), 2008-11-20, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. GMC: CORRECT FRONT AXLE VENT HOSE ROUTING. THE FRONT AXLE VENT HOSE IS MOUNTED IN THE LEFT SIDE OF THE ENGINE COMPARTMENT, AND MAY NOT BE CORRECTLY ROUTED. \*PE UPDATED ON 5/1/2012. \*KB
- [08\-01\-38\-002](/bulletins/10025224.md), 2008-07-19, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. BLOWER MOTOR INOPERATIVE \(REPLACE BLOWER MOTOR\) FOR EXTENDED AND CREW CAB MODELS ONLY. \*PE

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