Heater Core Heat EXCHANGER, Removing And Installing: Installing

Install in reverse order of removal and note the following:

-- Replace the O-rings -3-. Refer to SEALS AND GASKETS .

Fig 1: Inspecting Refrigerant Line Connection

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-- If equipped, check the alignment pins -4- on the refrigerant lines for damage and correct seating.

• There is refrigerant oil in the removed heat exchanger and refrigerant receiver that must be redelivered to the refrigerant circuit if one of the components is replaced. Refer to Refrigerant Circuit Components, Replacing or COMPONENTS, REPLACING .

-- 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.

-- Attach the coolant hoses -B and C- to the heater core connections -E- (pay attention to the marking) and secure it with a clamp -D-.

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-- Remove the Hose Clamps - Up To 25 mm :3094  -A-.

-- Evacuate and fill the refrigerant circuit. Refer to Refrigerant Circuit (Refrigerant R134a Servicing, Refrigerant Circuit, Working with A/C Service Station) or Working with A/C Service Station (1 Of 2) and Working with A/C Service Station (2 Of 2) .

-- 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.

-- Fill and bleed the coolant for the engine coolant circuit. Refer to the appropriate service information .

-- Start the A/C system after charging the refrigerant circuit. Refer to A/C SYSTEM, STARTING AFTER CHARGING REFRIGERANT CIRCUIT .