A8 Quattro Sedan V8-4.2L (AUX) (2001)
Trunk / Liftgate Lock Cylinder: Overhaul
Lock Cylinder, Disassembling And Assembling
Disassembling
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Insert key into lock cylinder.
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Press follower - 1 - toward lock and pry off circlip.
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Remove follower and then torsion spring.
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Pull coupling piece - 3 - from lock cylinder.
NOTE: When coupling piece is removed rollers - 10 - should fall out.
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Pull lock cylinder out of housing.
Assembling
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Key inserted in lock cylinder
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Hold lock cylinder - 1 - so groove - 2 - faces technician.
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After greasing with G 000 400, slide compression spring - 6 - into lock cylinder.
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After greasing with G 000 400, place roller - 3 - into underside of lock cylinder.
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Install lock cylinder - 1 - vertically from below into housing - 5 -.
NOTES:
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When installing the lock cylinder - 1 - in the housing - 5 -, make sure that both rollers - 3 - do not drop out of the guides during assembly.
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Align slot - 2 - and guide lug - 4 - during assembly.
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Press lock cylinder with key completely into lock cylinder housing against spring pressure.