Audi TT 2007 Repair Manual page 39

– Clean the water drain (small hole in the air filter housing lower
section) with compressed air.
– Clean air filter housing (upper and lower parts) of salt residue,
dirt or leaves (clean with vacuum, if necessary).
– Check mass airflow sensor and air guide hose (clean air side)
for salt residue, dirt and leaves.
– Check air duct from lock carrier to air filter housing for dirt and
leaves.
– When installing air filter insert, ensure it is centered in mount
on bottom of air filter.
– Carefully and gently place upper part of air filter on lower part.
Make sure the air filter housing upper section is not sitting
crooked on air filter (pay attention to the air filter sealing lip).
– Make sure the air guide hose is seated firmly on mass airflow
sensor.
Tightening Specifications
Air filter housing upper section
Follow all general information, refer to
⇒ "2.19.1 General Information", page 31
2.19.5 4-Cylinder, 2.0 TFSI
– Loosen bolts -arrows- and raise cover.
– Remove the old air filter.
– Clean the filter housing and insert a new air filter.
– Remove the old air filter.
– Clean the filter housing and insert a new air filter.
Follow all general information, refer to
⇒ "2.19.1 General Information", page 31
2.19.6 5-Cylinder 2.5 TFSI
Removing
Maintenance Procedures - Edition 08.2011
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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
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Audi TT 2007 ➤
2. Maintenance Procedures
35