Q7 Quattro V8-4.2L (BAR) (2008)
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Press retaining spring down - arrow - and press tension strut - 1 - in until stop.
Make sure side flat surfaces of tension strut are properly seated in brake caliper housing in order to prevent tension strut from twisting.
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Tighten bolt.
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Connect connectors - 1 - of brake pad wear indicator in bracket of wheel bearing housing.
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Secure wire of brake pad wear indicator with dust cap - 2 - to bleeder valve.