S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Remove the heat exchanger - A - in the direction of the arrow - arrow -.
‹› The upper illustration shows a heat exchanger with connectors as it is installed in production. If the heat exchanger was already exchanged once,
then both coolant pipes are held in the replacement heat exchanger with a bracket - A -. Remove the screw - B - in this heat exchanger. Install a
longer screw - C - (with a M5 thread) all the way to the end as shown in the illustration and with this screw, loosen the bracket - A - from the
connection.
Installing
Installation is carried out in the reverse order, when doing this note the following:
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Depending on the A/C version , cover the heat exchanger with the foam seal provided - A - through - D -.
1
Heat exchanger for a vehicle equipped with a "Basis" A/C system with left- or right-hand drive.
2
Heat exchanger for a vehicle equipped with a "Comfort" A/C system with left-hand drive.
3
Heat exchanger for a vehicle equipped with a "Comfort" A/C system with right-hand drive.
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Check the seals on the heat exchanger; only install a heat exchanger with seals that are not damaged and are secured glued on.
‹› On a vehicle equipped with the "Comfort" A/C system, different temperature settings for the left and right side as well as for the footwells are
possible; the air guides in the A/C for the left and right side are separated from each other by a seal - C - and - D -. Refer to => [ Air Routing in
Air Intake Housing and A/C Unit ] See: Heating and Air Conditioning/Housing Assembly HVAC/Service and Repair/Overhaul/Air Routing in Air
Intake Housing and A/C Unit.
‹› The seal - C - must be mounted on the color marking on the heat exchanger. The seal - D - must be applied to the center of the heat exchanger as
illustrated.