Installing Heat Exchanger

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Information

Both foam seals position the evaporator under a slight pre-load in the housing. To ensure the correct pre-load, any damaged foam seal must be replaced.

Insert heat exchanger into housing -arrow A- .

Fig 1: Installing Heat Exchanger
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fold up upper housing section -arrow B- and screw down with the fastening screws -2- . → Tightening torque: 1 ft lbs.
Push the coolant hoses onto the heat exchanger -arrows A- and attach with the spring-band clamps -B- .

Fig 2: Connecting Coolant Hoses
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Install both servo motors for air flow. → Installing Servo Motor
Tilt in the auxiliary air-conditioning unit on the top side -arrows- and screw down with the fastening screws -1- . Tightening torque: 6 ft lbs.

Fig 3: Tilting And Screwing Down Auxiliary Air-Conditioning Unit Inwards
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Push the air duct into the auxiliary air-conditioning unit -arrow- until the air duct is felt to engage.

Fig 4: Sliding Air Duct Into Auxiliary Air-Conditioning Unit
Courtesy of PORSCHE CARS NORTH AMERICA, INC.