Audi A4: Pressures, Checking
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Pressures, Checking
- General Information
- Refrigerant Circuit, Checking Pressure with Service Station
- Checking Pressures for Vehicles with Restrictor and Reservoir (with Internally Regulated Compressor)
- Checking Pressures on Vehicles with Expansion Valve and Receiver/Dryer (with Internally Regulated Compressor)
- Vehicles with Restrictor, Reservoir and A/C Compressor Regulator Valve -N280- (Externally Regulated A/C Compressor), Checking Pressures
- Vehicles with Restrictor, Receiver/Dryer and A/C Compressor Regulator Valve -N280-, Checking Pressures, Externally Regulated Compressor
- Checking Pressures on Vehicles with Electrically Driven A/C Compressor (Vehicles with Hybrid Drive)
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General Information
Vehicles with a High Voltage System (Hybrid Vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Death or serious
bodily injury by electric shock.
- I
Refrigerant Circuit, Checking Pressure with Service Station
General Information
Note
All test conditions marked * are vehicle-specific and are
described in the Repair Manual for the relevant vehicle.
Check cooling performance.
Connections with val
Checking Pressures for Vehicles with Restrictor and Reservoir (with
Internally Regulated Compressor)
General Information
Note
Connect the A/C service station. Refer to
→ Chapter "A/C Service Station, Connecting".
Observe the test requirements. Refer to
→ Chapter "Pressures,
SEE MORE:
Fuel
Types of gasoline
The correct gasoline grade is stated on the inside
of the fuel filler door.
The vehicle is equipped with a catalytic converter
and must only be driven with unleaded gasoline.
Audi recommends using TOP TIER Detergent Gasoline.
For additional information on TOP TIER Detergent
Gasol
Glass Panel, Removing and Installing
Glass Panel, Removing and Installing, Sedan
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog prior to
starting procedure.
Mandatory Replacement Parts
Screw - Glass Panel
The following components must be replaced after removal. R
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