S4 V8-4.2L (BHF) (2004)
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Release locks -arrows- and pull auxiliary relay carrier in electronics box upward and off.
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Pull engine wiring harness together with grommet out of recess in electronics box.
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Remove nuts -arrows- and lift out electronics box -1-.
Note:
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During the following steps make sure that brake fluid does not escape into plenum chamber or onto transmission below. If it does, clean
affected area thoroughly.
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When working in footwell, cover carpet with cloths to protect it from brake fluid spillage.
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Disconnect supply hose -A- to brake fluid reservoir with special tool 3094, detach from master cylinder and seal with plug.
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On bulkhead remove grommet above connecting tube for supply hose.
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Pry out securing clip -C- with screwdriver and then pull tube -B- out slightly.