Audi Q5: Antilock Brake System
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ABS Repair Instructions
ABS malfunctions do not affect the brake system and the
booster. Conventional brake system stays operative even without
ABS. A change in braking behavior should be checked. W
Overview - Control Module and Hydraulic Unit
1 - ABS Hydraulic Unit -N55- with ABS Control Module -J104-
Installed location: in the front left engine compartment.
Refer to
→ Chap
Overview - Front Axle Speed Sensor
1 - Speed Sensor
Right Front ABS Wheel Speed Sensor -G45-/Left Front ABS Wheel Speed
Sensor -G47-
Refer to → Chapter "Right/Left Front ABS Whee
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Applies to vehicles: with selective catalytic reduction
Fig. 193 Right rear vehicle side: removing the AdBlue cap
The AdBlue tank opening is located near the diesel
tank opening Add at least 1 gallon (3.8 liters)
of AdBlue. This is the minimum amount required
to ensure the system detects the refill
The reservoir collects the vaporized and gaseous mixture
coming from the evaporator to ensure the compressor only
receives gaseous refrigerant. Gaseous refrigerant is formed from
the vapor.
The refrigerant oil flowing in the circuit is not retained
in the reservoir as it has an oil drilling.
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