Golf L4-2.0L DSL Turbo (CJAA) (2010)
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Open pipe clamps - A - and disconnect coolant pipes from heater core.
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Remove heater core from heater.
Installing
Install in reverse order of removal. When doing this, note the following:
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Check seals - A - and - B - installed on heater core, only install a heater core with undamaged seals.
‹› An incorrectly glued seal can roll up into heater when sliding in the heater core.
‹› Cold air may flow past heat exchanger if seal is damaged or not properly fitted.
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With the heater core removed, check heater for soiling (via heater core opening - A -).