Golf GTI L4-1781cc 1.8L SOHC (HT) (1985)
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Remove coolant reservoir (A) from bracket (B).
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Position reservoir below level of hose (C).
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Remove harness tie straps at heater hoses.
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Disconnect coil wire (D) for access to heater hose.
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Remove heater hoses.
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Plug heater core pipes to prevent antifreeze spills during heater housing removal.
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Remove air intake boot at throttle body.
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Remove oxygen sensor wire (if equipped).
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Remove A/C suction line clamp (A).
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Disconnect A/C lines at expansion valve (B), cap openings immediately.
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Remove heater housing fasteners (arrows) in engine compartment.
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Remove heater housing assembly.
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