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How to change lambda sensor on AUDI A5 Coupe (8T3) – replacement guide
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Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
AUDI A5 Coupe (8T3) 1.8 TFSI, AUDI A5 Coupe (8T3) S5 quattro, AUDI A5 Coupe (8T3) 2.0 TFSI, AUDI A5 Coupe (8T3) 2.0 TFSI, AUDI A5 Coupe (8T3) 2.0 TFSI quattro, AUDI A5 Coupe (8T3) 1.8 TFSI, AUDI A5 Coupe (8T3) 1.8 TFSI … View more
The steps may slightly vary depending on the car design.
AUDI A5 Coupe (8T3) 1.8 TFSI, AUDI A5 Coupe (8T3) S5 quattro, AUDI A5 Coupe (8T3) 2.0 TFSI, AUDI A5 Coupe (8T3) 2.0 TFSI, AUDI A5 Coupe (8T3) 2.0 TFSI quattro, AUDI A5 Coupe (8T3) 1.8 TFSI, AUDI A5 Coupe (8T3) 1.8 TFSI … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Lambda Sensor for A5 Coupe (8T3) and other AUDI models
Lambda sensor
Alternative products
Lambda sensor
Electronic spray
High-temperature ceramic grease
Torque wrench
Drive socket # 10
22-mm oxygen sensor socket
Ratchet wrench
Thread tap
Fender cover
Replacement: lambda sensor – AUDI A5 (8T3). AUTODOC experts recommend:
- After replacing the oxygen sensor, clear the trouble code from the electronic control unit and let the ECU adapt itself to the new sensor.
- Before getting down to work, start the engine and let it warm up to operating temperature.
- Please note: all work on the car – AUDI A5 (8T3) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Open the bonnet.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3Lift the car using a jack or place it over an inspection pit.Step 4
Unscrew the fasteners of the oxygen sensor housing cover. Use a drive socket #10. Use a ratchet wrench. - Step 5
Remove the oxygen sensor housing cover. - Step 6
Detach the oxygen sensor connector. - Step 7
Unscrew the oxygen sensor fastener. Use a 22-mm oxygen sensor socket. Use a ratchet wrench. - Step 8
Remove the oxygen sensor. - Step 9
Cut the thread for the new oxygen sensor. Use a thread tap. Use a ratchet wrench. - Step 10Treat the oxygen sensor. Use high-temperature ceramic grease.Step 11
Install the new oxygen sensor. - Step 12
Tighten the oxygen sensor fastener. Use a 22-mm oxygen sensor socket. Use a torque wrench. Tighten it to 37 Nm torque.
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