GMW GMW16821 PDF

Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose. The purpose of this test is to evaluate the performance of the Washer Reservoir with debris. This procedure is a Subsystem level test.

Foreword. This document is intended to test performance requirements of a Wiper Washer Reservoir under environmental conditions. This document is the GM Worldwide Washer System Testing Standard for Washer Reservoir Debris. Its purpose is to establish a common test methodology for washer systems to ensure that a high quality world class system is consistently developed and produced. This is a living document and any suggestions or revisions will be reviewed and/or updated annually by the Windshield Wiper Global Subsystem Leadership Team (GSSLT).

The washer system is used to store and apply a washing agent to the target area on the outside of the windscreen and back lite of vehicles. If used correctly, no washing agent shall escape and no hoses shall become detached from the screen washer.

The washer reservoir also referred to for convenience as the reservoir, is the part of the washer system which is used to store the washer fluid.

Applicability. This procedure is applicable for all car, multipurpose passenger vehicle (MPV), and truck models produced by GM.

The following reservoirs are used:

• Reservoir for windshield washer systems

• Reservoir for headlamp washer systems

• Reservoir for windshield and backlight systems

• Reservoir for backlight systems

• Reservoir for windshield washer systems and headlamp washer systems

The following pumps are used:

• Devices with one pressure outlet (Mono pump)

• Devices with two pressure outlets (Dual pump)