Gasoline engines with direct fuel injection (GDI engines) — Installation of the high pressure fuel pump to the engine

This document specifies dimensions required for the installation and integration of the high pressure fuel pump in gasoline (GDI) engines. The location of the fuel connections and the dimensions of the pump outside shape are not defined since they vary according to the manufacturer of the pump and to the particular application.

Moteur à essence à injection directe (moteurs GDI) — Installation de la pompe d'injection de carburant à haute pression sur le moteur

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Status
Published
Publication Date
19-Aug-2018
Current Stage
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ISO 21042:2018 - Gasoline engines with direct fuel injection (GDI engines) -- Installation of the high pressure fuel pump to the engine
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INTERNATIONAL ISO
STANDARD 21042
First edition
2018-09
Gasoline engines with direct
fuel injection (GDI engines) —
Installation of the high pressure fuel
pump to the engine
Moteur à essence à injection directe (moteurs GDI) — Installation de
la pompe d'injection de carburant à haute pression sur le moteur
Reference number
©
ISO 2018
© ISO 2018
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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ii © ISO 2018 – All rights reserved

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Dimensions and tolerances . 1
4.1 General . 1
4.2 High pressure pump interface . 2
4.3 Low pressure connector . 4
4.4 High pressure connector . 4
4.5 Lubrication . 4
Bibliography . 5
Foreword
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This document was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 34,
Propulsion, powertrain, and powertrain fluids.
Any feedback or questions on this document should be directed to the user’s national standards body. A
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iv © ISO 2018 – All rights reserved

Introduction
The motor vehicle industry is increasingly being pressured by the world's regulators to improve
fuel consumption whilst reducing exhaust emissions (particularly CO emissions). The challenge for
automotive engineers is to balance the trade-offs between the t
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