Golf L4-1781cc 1.8L SOHC (RV) (1990)
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Remove heater housing assembly.
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Remove the heater core.
NOTE: Installation is in reverse order of removal and includes the following additional steps:
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Install new seals at:
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A/C inlet/outlet lines at evaporator core, and heater core
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Air intake duct
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Air distribution case
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Other seal locations, as necessary
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Apply silicone sealer (available locally) to mating surface of:
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Fresh air blower housing
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Air intake duct
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Evaporator housing (upper)
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Evacuate and recharge A/C system.
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Replenish coolant to specifications.