S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Using a screwdriver, bend the retaining tabs - 1 - of the radial adjustment aside - arrow - and pull the support ring - 2 - from the fuel injector.
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Remove O-ring from fuel injector.
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Guide the Puller (T10133/2A) in the groove on the fuel injector.
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Then position the Trim Removal Wedge (T10133/16) and remove the fuel injector by loosening the bolt - 1 -.
‹› When setting the puller in place, the radial adjustment can be destroyed, because the retaining tabs break.
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Carefully remove the old Teflon seal - arrow - with the appropriate tool (for example with cut the seal open with a razor and spread seal open with
a small screwdriver and pull it forward and off.) When doing this, make sure not to damage the groove and circumferential rib in the groove base.