Astra L4-1.8L (2009)
2. Remove the roof side rail restraint module.
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Release and disconnect the wiring harness plug.
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Remove the 2 bolts (1).
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Remove the 6 screws (2).
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Bend up the 6 locks (3).
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Bend up the 6 clamps (4).
Note: Remove the fastening clip with suitable pliers.
3. Remove the 6 fastening clips.
4. Modify the 6 fastening clips.
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Cut off flush with the retaining plate at positions 1, 2 and 3.
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Deburr the edges.