A8 Quattro Sedan V8-4.2L (BGK) (2006)
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After brake piston has been guided onto pressure nut, press it as far as stop into brake caliper.
Note:
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Ensure pressure nut is not damaged.
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Piston resetting tool T10145 can also be used to press brake piston back in.
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Ensure protective cap is guided into brake piston groove when piston is pressed all the way in.
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Insert brake pad retaining springs
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Measure pad strength of both brake pads without backing plates and note smaller value.
Note:
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Round measured value to a whole number. The value must be between 3 and 14. If the value is under 3, use new brake pads.
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Insert brake pads.