# Service bulletin 4087

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: 10021014
- Published by NHTSA: 2007\-02\-22
- Manufacturer's number: 4087
- NHTSA component: STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID

## NHTSA's summary

POWER STEERING PUMP LEAK/ INCORRECT MOUNTING BOLT. \*KB

## 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

Steering, Power steering

## Vehicles listed

- 2006 CHEVROLET SILVERADO
- 2007 CHEVROLET SILVERADO 1500
- 2007 CHEVROLET SILVERADO 2500
- 2007 CHEVROLET SILVERADO 3500
- 2006 GMC SIERRA
- 2007 GMC SIERRA 1500
- 2007 GMC SIERRA 2500
- 2007 GMC SIERRA 3500

## Recalls for the same vehicles and component

- [05V455000](/recalls/nhtsa/05V455000.md), 2005-10-05: STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

## Other bulletins for the same vehicles and component

- [120232001A](/bulletins/10245765.md), 2023-12-04, Service bulletin: FUEL SYSTEM, GASOLINE; STEERING; POWER TRAIN; STEERING:HYDRAULIC POWER ASSIST SYSTEM; POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS. Hydraulic Power Steering Leak at Hose Connection to Steering Rack
- [05\-02\-32\-008F](/bulletins/10140434.md), 2018-06-11, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:PUMP. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
- [13\-02\-32\-001B](/bulletins/10138679.md), 2018-05-29, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
- [13\-02\-32\-001C](/bulletins/10138670.md), 2018-05-29, Service bulletin: STEERING; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
- [05\-02\-32\-008F](/bulletins/10138589.md), 2018-05-29, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS; STEERING. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
- [12\-02\-32\-002A](/bulletins/10134625.md), 2018-04-23, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING. This technical bulletin provides a revision for 12\-02\-32\-002 to add the 2013\-2014 model years, add noise as a possible condition and add a Note in the Instructions section.
- [13\-02\-32\-001A](/bulletins/10134624.md), 2018-04-23, Service bulletin: STEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. This technical bulletin provides a revision for 13\-02\-32\-001 to update the models information.
- [PIT4208D](/bulletins/10112544.md), 2017-08-15, Service bulletin: SERVICE BRAKES, HYDRAULIC:POWER ASSIST; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. This Preliminary Information communication provides information to the technician about vehicles that may have a power steering pump whine noise. Technician will need to flush and refill the power steering system with Lucas Power Steering Fluid with Conditioners. Technician will replace the power steering pump with the latest design if the fluid is not available.
- [PI0639C](/bulletins/10112287.md), 2017-08-15, Service bulletin: STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM. This preliminary informational bulletin provides a procedure to apply dielectric grease and a piece of adhesive shim stock to the steering angle sensor connector to correct a condition of service stabilitak message displayed in DIC and DTC C0455 or C0710
- [13\-02\-32\-001D](/bulletins/10112278.md), 2017-08-15, Service bulletin: STEERING:HYDRAULIC POWER ASSIST SYSTEM. This technical bulletin provides a procedure to flush and bleed the power steering system to correct a condition of power steering noise or fluid leak from power steering pump, gear or high pressure hose during extreme low temperature conditions.

JSON: [/v1/bulletins/10021014](/v1/bulletins/10021014)

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