Astra L4-1.8L (2009)
Note: The brake caliper must be completely removed from the brake carrier before mounting the brake pads.
6. Remove the brake caliper from the brake support.
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Unscrew the bolt (1).
Hold against the hexagon of the guide pin (2).
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Remove the brake caliper from the brake carrier.
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Suspend the brake caliper from the rear spring with a suitable wire.
7. Remove the brake pads and the guide plates.