sensor AUDI A4 1999 B5 / 1.G APB Engine Secondary Air System Workshop Manual

26-38


- Disconnect both connectors -2- from control modules for exhaust gas
temperature.
- Remove control modules from intake manifold and set wires aside.
- Secondary Air Injection (AIR) solenoid valve -N112- is secured to a
bracket below control modules for exhaust gas temperature sensor.
- Disconnect harness connector from valve and slide bracket off studs at
intake manifold with vacuum lines connected.
- Disconnect vacuum lines from Secondary Air Injection (AIR) solenoid
valve, remove valve from bracket.
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