Removing And Installing Mechanical Exhaust Gas Recirculation Valve; Removing And Installing Exhaust Gas Recirculation Cooler - Audi Q7 2007 Workshop Manual

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29 - Gasket
" Renew
30 - Mechanical exhaust gas recirculation valve
" Removing and installing
31 - 9 Nm
3.2 Removing and installing mechanical ex-
haust gas recirculation valve
Removing
–
Remove intake manifold (top section) ⇒ Rep. Gr. 23.
–
Detach vacuum hose at mechanical exhaust gas recircula-
tion valve.
–
Remove bolts -arrows- and take off mechanical exhaust
gas recirculation valve with connecting pipe.
Installing
Installation is carried out in the reverse order; note the follow-
ing:
Note
Renew seals and gaskets.
–
Install intake manifold (top section) ⇒ Rep. Gr. 23.
Tightening torques
Component
Mechanical exhaust gas recirculation valve
to connecting flange
Connecting pipe to mechanical exhaust gas
recirculation valve
3.3 Removing and installing exhaust gas recir-
culation cooler
Removing
–
Drain off coolant ⇒ page
–
Remove coolant pipe (rear)
–
Remove intake manifold (top section) ⇒ Rep. Gr. 23.
–
Remove bottom section of intake manifold (left and right)
⇒ Rep. Gr. 23.
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
⇒ page 221
161.
⇒ page 181.
Nm
22
9
3 Exhaust gas recirculation system
Audi Q7 2007 !
6
221