3.2
Removing and installing air filter hous‐
ing
Removing:
– Pull cover -1- off air duct, releasing clips on sides to do so.
– Unclip air duct -2-.
– Remove air filter housing with connecting hose. To do this,
unscrew bolt -A-, pull off connector -B- and detach spring-type
clip -C-.
– Take note of marking -D- when refitting.
Installing:
Install in reverse order of removal, observing the following.
• Specified torques
.
3.3
Checking intake air preheating
Special tools and workshop equipment required
♦ Chilling spray (commercially available)
Note
Only installed on vehicles for cold climate zones.
Checking regulating flap:
– Remove air filter upper section and filter insert
.
– Check position of control flap -1-.
– Spray thermocouple -arrow- with cold spray.
♦ At above +14°C, the regulating flap must have completely
closed the hot air connection.
♦ At below + 0°C, the regulating flap must have completely
opened the hot air connection.
CC 2012 ➤ , Passat 2011 ➤ , Passat Variant 2011 ➤
6-cylinder direct-injection engine (3.6 l engine, 4V) - Edition 06.2019
3. Air filter
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