Caution
In case a mechanical damage to the exhaust gas turbocharger
is found, for example, damage to the compressor wheel, it is
not sufficient to only replace the turbocharger. In order to avoid
consequential damage, perform the following tasks:
♦ Clean all oil lines.
♦ Change engine oil and oil filter.
♦ Inspect the air filter housing, the air filter element and the
intake hoses for contaminations.
♦ Inspect the whole charge-air routing and the charge air
cooler for foreign bodies.
If foreign bodies are detected in the charge air system, the
complete charge-air routing must be cleaned and if necessary
the charge air cooler must also be replaced.
♦ The charge-air system must be tight.
♦ Renew self-locking nuts.
♦ Hose connections and hoses of the charge air system must
be free of oil and grease before being installed.
♦ Only use approved clamps for securing the hose connections
⇒ Electronic Catalogue of Original Parts“ETKA” .
♦ Spring-type clip pliers are recommended for installation of
spring-type clips.
♦ Before connecting the oil feed line, fill the exhaust turbocharg‐
er via the connection fitting with engine oil.
♦ After installing the turbocharger, run engine at idling speed for
about 1 minute to ensure that oil is supplied to the turbocharg‐
er.
3.8 General notes on the ignition system
♦ Switch off the ignition before disconnecting and connecting the
battery, as this may damage the engine control unit.
♦ The engine control unit and further components are equipped
with self-diagnosis; inspect ⇒ Vehicle diagnostic tester
♦ A minimum voltage of 11.5 V is required for perfect functioning
of the electrical components.
♦ Certain inspections may cause the control unit to detect and
store a fault. It is therefore necessary to interrogate the event
memory after having completed all inspections and repairs,
and if necessary delete ⇒ Vehicle diagnostic tester.
Safety measures
⇒ “2.6 Safety precautions when working on ignition system”, page
6 .
Setting data, spark plugs ⇒ Maintenance ; Booklet Octavia III .
3.9 General notes on the injection system
Repairing ignition ⇒ “1 Ignition system”, page 281 .
♦ The engine control unit is equipped with self-diagnosis. Before
repairs and also for fault finding, first of all interrogate the event
memory. Also check the vacuum hoses and connections (un‐
metered air).
Octavia III 2013 ➤ , Octavia III 2014 ➤
1.2/63; 77 kW TSI engine - Edition 11.2014
3. Repair instructions 9
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