Audi Q7 2007 Workshop Manual

Audi Q7 2007 !
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
1 Removing and installing parts of cooling system
173
6
1.8 Removing and installing coolant pipe
(front)
Special tools and workshop equipment required
♦ Hose clip pliers -V.A.G 1921-
Removing
– Drain off coolant ⇒ page 161.
– Remove intake manifold (top section) ⇒ Rep. Gr. 23.
– Remove toothed belt for high-pressure pump ⇒ page 48.
– Remove high-pressure pump ⇒ Rep. Gr. 23.
– Disconnect coolant hose -arrow-.
– Unscrew bolt -1- and pull coolant pipe (top) out of cylinder
block.
Installing
Installation is carried out in the reverse order; note the follow-
ing:
♦ Renew O-ring.
♦ Secure all hose connections with the correct type of hose
clips (same as original equipment) ⇒ Parts catalogue.
– Before installing, clean and smoothen sealing surface for
O-ring.
– Lubricate new O-ring with “G12+” and slide onto coolant
pipe.
– Install high-pressure pump ⇒ Rep. Gr. 23.
– Install toothed belt for high-pressure pump ⇒ page 48.
– Install intake manifold (top section) ⇒ Rep. Gr. 23.
– Fill cooling system ⇒ page 162.
Tightening torque
Component Nm
Front coolant pipe to oil cooler 9
Note
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Audi Q7 2007 Specifications

General

Brand	Audi
Model	Q7 2007
Category	Automobile
Language	English