S4 V8-4.2L (BHF) (2004)
![background image](/audi/s4/v8-4.2l_(bhf)/Page-1268002.png)
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Disconnect electrical harness connector - 1 - at Throttle Valve Control Module -J338-.
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Disconnect crankcase ventilation hose - 3 - at intake pipe.
Note: Disregard item - 2 -.
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Remove electrical harness connectors - 1 -, - 2 -, - 5 - and - 6 - toward front from brackets on intake pipe.
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Disconnect electrical harness connectors - 3 - and - 4 -.
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Pull off vacuum hose - arrow - at T-connector.
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Disconnect connector strips - 1 - and - 5 - at fuel injectors.
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For vehicles with fuel return line, disconnect vacuum line - 4 - on fuel pressure regulator.
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Remove retaining bolts - 2 - and - 3 - for fuel rail pipe.
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Remove fuel rail pipe together with fuel injectors from intake manifold uniformly upward.