heater AUDI A8 1998 D2 / 1.G AHA ATQ Engines Valve Gear Service Manual
Page 26 of 62
15-22
- Disconnect vacuum line at throttle body and line between vacuum
booster and intake air elbow (arrows).
- Remove intake air elbow.
- Remove intake manifold.
- Disconnect heated oxygen sensor harness connector at left-side of
heater core and set aside.
- Remove left-rear toothed belt guard (arrows).
- Unbolt coolant hose at rear of cylinder head.
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