Heat Pump Valve Unit, Removing And Installing: Installing
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Install in reverse order of removal and note the following:
- There can be refrigerant oil in the removed valve unit that must be redelivered to the refrigerant circuit (with the new component). Refer to Refrigerant Circuit Components, Replacing or COMPONENTS, REPLACING .
- Coat the O-ring seals -6- lightly with refrigerant oil before installing. Refer to SEALS AND GASKETS .
- Install the refrigerant lines -5- without tension.
-- Check the routing of the refrigerant lines after attaching. They must be inserted into the provided brackets and must not come in contact with other components.
-- Evacuate and fill the refrigerant circuit. Refer to Refrigerant Circuit or Working with A/C Service Station .
-- Initiate the basic setting of the A/C system through the Thermal Management Control Module -J1024- and activate the power-controlled valves using one of the routines stored there. "Charge/flush the refrigerant circuit stop routine" using the Vehicle Diagnostic Tester.
-- Start the A/C system after charging the refrigerant circuit. Refer to A/C SYSTEM, STARTING AFTER CHARGING REFRIGERANT CIRCUIT .