High Pressure Line, Removing And Installing - Audi Q7 2007 Repair Manual

14 - Bolt
❑ Tightening specification -item 1-
15 - Threaded Pin
❑ 9 Nm
16 - Nut
❑ 9 Nm
17 - Protective Plate
❑ For the high pressure line
18 - Roller Tappet
❑ Can be installed in one position only
❑ Coat the O-rings with clean engine oil before installing
19 - O-Ring
❑ Replacing
❑ Coat the O-rings with clean engine oil before installing
High Pressure Pump - Tightening Specification and Sequence
– Tighten bolts in two stages as follows:
Step Bolts
1. -arrows-
2. -arrows-
3.15 High Pressure Line, Removing and In‐
stalling
Special tools and workshop equipment required
♦ Torque Wrench 1331 Insert - Open Jaw - 17mm - VAG1331/6-
Removing
WARNING
There is a risk of injury because the fuel is under very high
pressure.
♦ Reduce the fuel pressure down to residual pressure be‐
fore opening high pressure area of the injection system.
– Reduce the fuel pressure in the high pressure area. Refer to
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
⇒ "1.6 Pressure, Reducing in High Pressure Area", page 5
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
⇒ Item 1 (page 68)
Tightening Specification
Install all the way in by hand.
In steps to 20 Nm
Fuel Injection and Ignition - Edition 02.2015
.
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Audi Q7 2007 ➤
47
3. Injection System