Audi A4, S4
+ Introduction
+ Governing bodies and receptions of safe operation
+ Current leaving and service
+ Engine
+ Systems of cooling, heating and air conditioner
- Power supply systems, release and decrease in toxicity of the fulfilled gases
+ Power supply systems of petrol and diesel engines
+ System of injection of fuel of the petrol engine
+ System of injection of fuel of the diesel engine
- Systems of release and decrease in toxicity of the fulfilled gases. Turbokompressor
Removal and installation of system of release. Replacement of the central, additional exhaust silencer, trailer pipe
Correction of laying of system of release / trailer pipe
Systems of decrease in toxicity of release - the general information
Catalytic converter
Removal and installation of the catalytic converter and lambda probes
Turbokompressor - the general information and precautionary measures
Interkuler - the general information
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
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Removal and installation of the catalytic converter and lambda probes Engine of 2.0 l of ALT Lambda probes are located before and after the catalytic converter. For removal a lambda probes to remove the catalytic converter it is not required. Removal
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Uncover the engine in an impellent compartment, address to the Section Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher.
Remove a broad tank of cooling liquid.
Disunite the socket of the index of temperature of cooling liquid. Disconnect a broad tank and take him aside. Hoses of cooling liquid do not disconnect.
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Disconnect the AKF valve (1). Turn out screws (arrows on an accompanying illustration) and take out a hose for air absorption.
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Disconnect a hose for air (1) absorption from a hose (2). Remove a hose from the bottom party of a branch pipe of absorption of air.
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Remove the case of the air filter, address to the Section Removal and installation of the air filter.
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Disunite the socket (2) a lambda probe 2, located after the catalytic converter.
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Disunite the socket (5) a lambda probe 1, located before the catalytic converter. (1) – the detonation sensor, (3) – the sensor of number of turns of the engine, (4) – the sensor of a detonation 2.
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Replacement lambda probes
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Turn out a lambda probes.
Grease a carving a lambda probes with high-temperature G 05212A3 paste. Paste should not get on shlitsa of the case.
Fix a lambda probes the moment 55Нм.
If were replaced only a lambda probes: Join sockets (2) and (5) a lambda probes.
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Further removal of the catalytic converter
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Separate boltovy connection the catalytic converter / a final collector (arrows on an accompanying illustration).
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Operation of lifting and car installation on supports is connected with danger! Therefore before carrying out operation familiarize with Poddomkrachivaniye's Section and towage. |
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Lift and establish the car on supports.
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At cars with lay/additional heating: Turn out bolts (arrows on an accompanying illustration) fastenings of an exhaust pipe of lay/additional heating to the bottom cover of an impellent compartment.
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Remove the bottom cover of an impellent compartment, address to the Section Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher.
Disconnect a cover over the right power shaft.
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Unscrew bolts of fastening and disconnect the catalytic converter from a preliminary pipe (arrow). Take out the catalytic converter upward
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Protect the catalytic converter from blows. |
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