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:
Refresh Charging with Battery Charger -VAS5903-
WARNING
Risk of injury. Follow all warning messages and
safety precautions. Refer to
→ Chapter "Warnings and Safety Precautions".
WARNING
Do not check or charge a Battery -A- when the visual
indicator has "no color or is
bright yellow". Jump starting must not be used!
Th
Seals
Component Location Overview - Gaskets
1 - Flywheel
Removing an installing. Refer to
→ Chapter "Flywheel, Removing and Installing".
2 - Left Flange Shaft Seal
Replacing. Refer to
→ Chapter "Left Seal, Replacing".
3 - Front Differential
4 -&nbs
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