Fuel Pressure And Residual Pressure Before High Pressure Pump, Checking; Fuel Pressure And Residual Pressure Before High Pres- Sure Pump, Checking - Audi Q7 2007 Repair Manual

Audi Q7 2007 ➤
Fuel Injection and Ignition - Edition 02.2015
– Press the Injector/Combustion Chamber Seal Tool Set - Cal‐
ibration Sleeve - T10133/8- with a gentle turning movement
(approximately 180°) all the way onto the fuel injector.
– Pull off Injector/Combustion Chamber Seal Tool Set - Calibra‐
tion Sleeve - T10133/8- again using turning motion in opposite
direction.
– Install the components from the repair set on the fuel injector
-1-:
2 - Spacer ring
3 - O-ring
4 - Support ring
5 - Sealing washer
– Coat the new O-ring with clean engine oil before installing it.
This makes it easier to install the fuel injector in the fuel rail.
Note
The combustion chamber seal -6- must not be oiled.
– Insert the fuel injector all the way into the hole in the cylinder
head using the Injector/Combustion Chamber Seal Tool Set -
Assembly Mandrel - T10133/9- ; when doing this, note the
installation position.
• The connection of the fuel injector must engage in the intended
recess in the cylinder head.
Note
The fuel injector must not be difficult to install. If necessary, wait
as the combustion chamber seal continues to pull itself together.
Install in reverse order of removal, note the following:
– Install the intake manifold lower section. Refer to
⇒ "3.11 Intake Manifold Lower Section with Fuel Rail, Remov‐
ing and Installing", page 36
– Install the supercharger. Refer to ⇒ Engine Mechanical; Rep.
Gr. 21 .
3.13 Fuel Pressure and Residual Pressure
before High Pressure Pump, Checking
Special tools and workshop equipment required
♦ Fuel Injection Gauge Kit - VAG1318-
♦ Measuring container, fuel-resistant
42
Rep. Gr.24 - Multiport Fuel Injection
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