Audi Q7 2007 - Removing and Installing Pressure Control Valve for Crankcase Breather System

Audi Q7 2007 !
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
Repair Group 17 – Lubrication
6
152
– Unbolt retaining clip -arrows-.
– Spread out rags round oil filter housing to catch escaping
oil.
– Pull out oil filter housing.
Installing
Installation is carried out in the reverse order; note the follow-
ing:
Renew gaskets, seals and O-rings.
– Install intake manifold (top section) ⇒ Rep. Gr. 23.
– Tighten union nuts on high-pressure pipes finger-tight ini-
tially.
– Ensure that high-pressure pipes are not under tension.
– To tighten unions of high-pressure pipes at rail elements,
use torque wrench -V.A.G 1331- with ratchet
-V.A.G 1331/1- and tool insert, AF 19 -V.A.G 1331/5-.
– To tighten unions of high-pressure pipe at high-pressure
pump, use torque wrench -V.A.G 1331- with ratchet
-V.A.G 1331/1- and socket, 17 mm -T40055-.
– Check fuel system for leaks ⇒ Rep. Gr. 23.
Tightening torques
1.9 Removing and installing pressure control
valve for crankcase breather system
Removing
– Drain off coolant ⇒ page 161.
– Remove coolant pipe (rear) ⇒ page 181.
– Remove intake manifold (top section) ⇒ Rep. Gr. 23.
– Remove bottom section of intake manifold (left and right)
⇒ Rep. Gr. 23.
Component Nm
Oil filter housing to mounting plate 9
Oil supply pipe to mounting plate 9
Screw plug to mounting plate 35
High-pressure pipes 25
Note
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