Audi Q3: Air Quality Sensor -G238-, Removing and Installing
Removing
- Remove the plenum chamber cover. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.
- Release the securing tab -4- and turn the housing -1- for the Air Quality Sensor -G238- counter-clockwise -arrow-.
- Remove the housing from the rain water drain channel -2- for the fresh air intake.
- Disconnect the connector -3-.
Note
Do not store a removed Air Quality Sensor -G238- in areas where it can come into contact with solvents, fuels, and certain chemical compositions (fluids or vapors).
Installing
Installation is done is reverse order, observe the following:
Note
- So that no water enters into the A/C unit (heater) via the rain water drain channel -1- when the plenum chamber cover -2- is installed, the plenum chamber cover must not be damaged.
- If the plenum chamber cover is damaged or is installed incorrectly, water can flow into the fresh air intake duct via the rain water drain channel.
- The plenum chamber cover must be completely engaged in the windshield frame -3-. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.
- Install the plenum chamber cover. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.
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Outside Air Temperature Sensor -G17-, Removing and Installing
Note
Complaints may arise regarding the Air Conditioning (A/C)
system regulation if there is a faulty measured value for the
Outside Air Temperature Sensor -G17-. Refer to Vehicle
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Humidity Sensor -G355-, Removing and Installing
Humidity Sensor -G355-, Removing and Installing, Vehicles without
Driver Assistance Systems Front Camera
Note
Only on vehicles with an automatic climate control system
There are diffSEE MORE:
Tire wear and damage
Fig. 155 Tire profile: treadwear indicator
Tire wear
Check the tires regularly for wear.
Inflation pressure that is too low
or high can increase tire wear
considerably.
Driving quickly through curves,
rapid acceleration, and heavy
braking increase tire wear.
Have an authorized Audi dealer
Overview - Drive Axle
Overview - Drive Axle, Drive Axle with 100 mm Inner CV Joint
Note
Grease joint again when replacing protective joint boot.
1 - Outer CV Joint
Replace only as complete unit.
When installing the joint on the profile shaft, the splines on the
profile shaft must be light