A6 Quattro Sedan V6-3.2L (BKH) (2005)
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CAUTION!
The heater pump valve unit (left of E-box) becomes very hot during operation - Risk of burning!
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Carefully pry off retaining clip - 2 - with a screwdriver - arrows 1 and 2 - and remove ECM from E-box.
CAUTION!
To avoid damage (burning) of wire connections and harness connectors, insulation and control modules, the following work steps must be
adhered to exactly! Observe operating instructions for heat gun.
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Set adjustment on heat gun as shown in illustration, with temperature potentiometer - 2 - set to maximum heat and two-stage air flow switch - 3 -
set to level "3".
