Golf GLS L4-2.0L (AEG) (2001)
Air Cleaner Housing: Service and Repair
Air Cleaner
1
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Harness connector
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Blacks, 2-pin
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For Positive Crankshaft Ventilation (PCV) heating element -N79-
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Check heating element voltage supply between terminals 1 and 2 with engine running:
Specified value: at least 11.5 V
2
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Intake hose
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With Positive Crankshaft Ventilation (PCV) heating element -N79- for crankcase breather
3
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Mass Air Flow (MAF) sensor -G70-* with Intake Air Temperature (IAT) sensor -G42-*
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Checking -G70- See: Computers and Control Systems/Air Flow Meter/Sensor/Testing and Inspection
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Checking -G42- See: Computers and Control Systems/Intake Air Temperature Sensor/Testing and Inspection
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Sensor and harness connector terminals are gold plated
4
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Harness connector
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Black, 5-pin
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Sensor and harness connector terminals are gold plated
5
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Seal
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Replace if damaged
6
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Air cleaner upper section
7
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Air duct