# Service bulletin PIT4605D

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: 10245301
- Published by NHTSA: 2023\-11\-20
- Manufacturer's number: PIT4605D
- Manufacturer's date: 2013\-02\-01
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

Cold Air Leak On Passenger Floor.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10245301-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10245301-9999.pdf)

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

## Components

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2007 to 2013 CADILLAC ESCALADE
- 2007 to 2013 CHEVROLET AVALANCHE
- 2007 to 2013 CHEVROLET SILVERADO 1500
- 2007 to 2013 CHEVROLET SUBURBAN
- 2007 to 2013 CHEVROLET TAHOE
- 2007 to 2010 GMC SIERRA 1500
- 2012 to 2013 GMC SIERRA 1500
- 2011 GMC SIERRA 3500
- 2007 to 2013 GMC YUKON DENALI

## Recalls for the same vehicles and component

- [2011074](/recalls/tc/2011074.md), 2011-02-21: Heater And Defroster
- [09V456000](/recalls/nhtsa/09V456000.md), 2009-11-19: EQUIPMENT:APPLIANCE:AIR CONDITIONER

## Other bulletins for the same vehicles and component

- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [PI0754G](/bulletins/11006511.md), 2024-08-17, Service bulletin: VISIBILITY/WIPER. This PI provides information on Rear and Side Tempered Glass Spots \(Quench Marks\) and that they are a normal characteristic.
- [PI0754A](/bulletins/10253632.md), 2024-04-29, Service bulletin: VISIBILITY:GLASS, SIDE/REAR. Rear and Side Tempered Glass Spots.
- [PI0695A](/bulletins/10253610.md), 2024-04-29, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Diagnosis and Repair HVAC Blower Function.
- [PI0648A](/bulletins/10253582.md), 2024-04-29, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Revised HVAC Blower Motor Installation Instructions.
- [PIT5297](/bulletins/10248477.md), 2024-01-08, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Reduced Air Flow From HVAC Vents.
- [PIT5099G](/bulletins/10247780.md), 2023-12-26, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater\-Vent\-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
- [PIT4605D](/bulletins/10247662.md), 2023-12-26, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Cold Air Leak On Passenger Floor.
- [PIT4417H](/bulletins/10247653.md), 2023-12-26, Service bulletin: VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; UNKNOWN OR OTHER. Swapping Outside Rearview Mirrors RPOs DL8 / DL3 / DPN.
- [PIT5198](/bulletins/10247097.md), 2023-12-11, Service bulletin: VISIBILITY; ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES:DOORS:LOCK; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Power Door Locks and/or Windows Inoperative.

JSON: [/v1/bulletins/10245301](/v1/bulletins/10245301)

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