S4 V8-4.2L (BHF) (2004)
using compressed air and nitrogen. Refrigerant R134a - Servicing
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Insert in bracket - D -.
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Engage bracket - D - with lug - B -.
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Insert and tighten bolts - A - (tightening torque 8 Nm).
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Replace O-rings - D -.
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Turn the accumulator such that the two refrigerant lines - B - and - C - can be inserted without strain in the accumulator. In doing so, pay attention
to correct assignment of connections.
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Use bolt - A - to attach refrigerant line to accumulator (tightening torque 25 Nm). Use oil filter strap for example to secure accumulator to prevent
it turning.
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Tighten bolt - C - (tightening torque 8 Nm).
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Reinstall remaining components removed.
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Discharge and recharge refrigerant circuit. Refrigerant R134a - Servicing.