Volkswagen Phaeton 2003, Руководство по ремонту

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1.1 Assembly overview - exhaust manifold
with starter catalytic converters and at‐
tachments
Note
♦
Disconnect batteries before removing front exhaust pipes with
catalytic converter. First disconnect drive battery on right in
luggage compartment. Then disconnect second battery on left
in luggage compartment ⇒ Electrical system; Rep. gr. 27 ;
Disconnecting and reconnecting batteries .
♦
When installing exhaust pipes, ensure that the flange connec‐
tion after the catalytic converter seals tightly. Leaks in this area
cause pulsation in exhaust. This allows ambient air to reach
the Lambda probe after the catalytic converter, thereby dis‐
turbing Lambda regulation.
♦
Renew self-locking nuts.
1 - Cylinder head
2 - Gasket
❑ Renew
3 - M8 - 25 Nm, M10 - 40 Nm
4 - Exhaust manifold
5 - Gasket
❑ Renew
6 - Lambda probe - G39- 50
Nm
❑ Installed in exhaust gas
stream of cylinders 1, 2
and 3
❑ Grease only the threads
with “G 052 112 A3”;
“G 052 112 A3” must not
get into the slots on the
probe body.
❑ Remove and install with
Lambda probe open
ring spanner set -
3337- .
7 - Lambda probe 2 - G108- 50
Nm
❑ Installed in exhaust gas
stream of cylinders 4, 5
and 6
❑ Grease only the threads
with “G 052 112 A3”;
“G 052 112 A3” must not
get into the slots on the
probe body.
❑ Remove and install with
Lambda probe open
ring spanner set -
3337- .
8 - Starter catalytic converter
❑ Installed in exhaust gas stream of cylinders 4, 5 and 6
Phaeton 2003 ➤
6-cylinder injection engine - Edition 02.2014
170
Rep. gr.26 - Exhaust system