# Service bulletin PIT\-4597

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: 10024545
- Published by NHTSA: 2008\-04\-24
- Manufacturer's number: PIT\-4597
- Manufacturer's date: 2011\-05\-01
- Replaces: PIT\-4597D
- NHTSA component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

## NHTSA's summary

\(HYBRID\) ADDITIONAL INFORMATION ON BLEEDING THE BRAKES. WITH RPO HP2. \*NJ UPDATED 6/27/11. \*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

Brakes, Brake hoses and lines

## Vehicles listed

- 2009 to 2011 CHEVROLET SILVERADO
- 2009 CHEVROLET SILVERADO HYBRID
- 2008 CHEVROLET TAHOE
- 2009 to 2011 GMC SIERRA
- 2009 GMC SIERRA HYBRID
- 2008 GMC YUKON

## Other bulletins for the same vehicles and component

- [PI\-0532](/bulletins/10041432.md), 2011-10-03, Service bulletin: PARKING BRAKE:DRIVELINE:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS; SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS; WHEELS; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS. CADILLAC/CHEVROLET/GMC: DUE TO BUILD UP OF SNOW, MUD OR ICE, THE RIGHT FRONT WHEELHOUSE LINER MAY BE CONTACTING OR IS TOO CLOSE TO BRAKE PIPE. \*PE

JSON: [/v1/bulletins/10024545](/v1/bulletins/10024545)

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