Removing And Installing Coolant Pipe (Right-Side); Removing And Installing Coolant Pipe (Rear) - Audi A8 2003 Workshop Manual

8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
Tightening torques
Component
Coolant pipe to engine
Bracket for charge air cooler to body
Air pipe to engine cross member
Hose clips (9 mm wide)
Hose clips (13 mm wide)
1.9 Removing and installing coolant pipe
(right-side)
Removing
– Remove alternator ⇒ Electrical system; Rep. gr. 27
– Remove bolts -1-, -2- and -3-.
– Loosen hose clip -arrow- and pull coolant pipe (right-side) out
of cylinder block.
Installing
Installation is carried out in the reverse order; note the following:
Note
Renew O-rings.
♦
Secure all hose connections with the correct type of hose clips
♦
(same as original equipment) ⇒ Electronic parts catalogue .
– Clean and smoothen sealing surface for O-ring as required
before installing.
– Lubricate new O-ring with coolant and slide onto coolant pipe.
– Install alternator ⇒ Electrical system; Rep. gr. 27
Tightening torques
Component
Coolant pipe to engine
Hose clips (9 mm wide)
Hose clips (13 mm wide)
1.10 Removing and installing coolant pipe
(rear)
Removing
– Drain off coolant ⇒ page 215
– Lower subframe for repair and assembly work
– Remove starter catalytic converter (left-side)
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.
⇒ page 52
⇒ page 295
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9
9
9
3
5.5
Nm
9
3
5.5
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1. Removing and installing parts of cooling system
Audi A8 2003 ➤
237