Audi Q7 2007 Repair Manual page 55

– Disconnect the connector -1-.
– Remove the threaded connections -2-.
– Remove the bolts -arrows- and pry the end cover up carefully.
Note
Do not bend the high pressure line to a different angle.
– Remove the high pressure pump with roller tappet.
Installing
Install in reverse order of removal. Note the following:
Tightening Specifications
• Refer to ⇒ "3.14 Overview - High Pressure Pump", page 45
• Refer to
⇒ Fig. ""High Pressure Pump - Tightening Specification and
Sequence"" , page 47
Note
Replace the O-ring.
♦
High pressure line connections must not show any signs of
♦
damage.
Do not bend the high pressure line to a different angle.
♦
If a new high pressure pump is installed, the opening next to
♦
the Fuel Metering Valve - N290- must be sealed with a sealing
plug (shear bolt). Tighten the bolt till it is sealed tight.
– Check the roller tappet -1- for damage and replace it if nec‐
essary.
– Coat the roller tappet with engine oil and insert it with the tab
-arrow A- into the guide -arrow B-.
– Insert the Crankshaft Socket - T40058- guide pins as follows:
• The large diameter -arrow 1- faces the engine.
• The small diameter -arrow 2- faces the adapter.
.
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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.
Fuel Injection and Ignition - Edition 02.2015
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Audi Q7 2007 ➤
51
3. Injection System