Air Cleaner Housing: Service and Repair

Air Filter, Disassembling And Assembling (Vehicles With Engine Code BDF)







1 Connection hose
- Black
- For crankcase ventilation
- Check for secure fitting
- To disengage, squeeze together at front
- From ventilation housing at cylinder head cover
2 O-ring
- Replace if damaged
3 Positive Crankcase Ventilation (PCV) Heating Element -N79-
- For crankcase ventilation
4 Connector
- black, 2-pin
- For Positive Crankcase Ventilation (PCV) Heating Element -N79-
- Check voltage supply for PCV heating element between terminals 1 and 2 with ignition switched on
- Specified value: at least 11.5 V
5 Connection hose
- Black
- Check for secure fitting
- For air cleaning fuel injectors
- from connection sleeve at cylinder head
6 Mass Air Flow (MAF) Sensor -G70-* with Intake Air Temperature (IAT) Sensor -G42-*
- Terminals of sensor and connector are gold-plated
- Mass Air Flow (MAF) sensor, checking
- Check Intake Air Temperature (IAT) sensor
7 Connector
- black, 5-pin
- Terminals of sensor and connector are gold-plated
8 Air filter, upper portion
9 6 Nm
10 10 Nm
11 Intake air connection
- For cold air intake
12 Air filter, lower portion
13 Intake air connection
- For warm air intake
14 Regulator flap
15 Filter element
16 Intake hose
- Check for secure fitting
- secure with spring type clamp
- To throttle valve control module
17 Vacuum line
- From fork of intake manifold/Evaporative Emission (EVAP) Canister Purge Regulator Valve
- To disengage, squeeze together at front.