Astra L4-1.8L (2009)
1. Install the heater hoses to the heater core.
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Slide the 2 locks on the quick-release fittings in the arrow direction up to the stop.
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Plastic rings (green) are covered.
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Install the 2 quick-release fittings on the heater core (1) connections up to the stop.
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Note the markings applied. Slide the 2 locks (3) on the quick-release fittings in the arrow direction up to the stop.
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Plastic rings (green) must be visible.
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Inspect the correct seat of quick-release fittings and visibility of the plastic rings, arrows.
