# Service bulletin 16NA218

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: 10137403
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: 16NA218
- Manufacturer's date: 2018\-03\-19
- NHTSA component: POWER TRAIN; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING

## NHTSA's summary

Brake Hydrdroboost Leaking Power Steering Fluid, this may be due to overheating \(thermal set of the hydro boost seals\) from lack of/insufficient cooling by the loop cooler.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137403-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137403-0001.pdf)

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

## Components

Steering, Transmission and driveline, Power steering

## Vehicles listed

- 2012 to 2016 CHEVROLET EXPRESS
- 2012 to 2016 GMC SAVANA

## Other bulletins for the same vehicles and component

- [120232002A](/bulletins/10245766.md), 2023-12-04, Service bulletin: POWER TRAIN; BACK OVER PREVENTION; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS; STEERING:HYDRAULIC POWER ASSIST:PUMP; SERVICE BRAKES. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Pressure Hose During Extreme Low Temperature Operation \(Replace Power Steering Fluid\)
- [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.
- [PI0534B](/bulletins/10134644.md), 2018-04-23, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:PUMP. This preliminary information bulletin provides a procedure to eliminate a whine noise that varies with engine speeds.
- [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.
- [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/10137403](/v1/bulletins/10137403)

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