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Removing and installing relay and fuse holder in engine compartment electronics box (right-side) — AUDI

Removing and installing relay and fuse holder in engine compartment electronics box (right-side) on Audi: 19 steps.

Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.

19 steps

🧭 Before you start

Fits: Audi R8 (4S, 2015–)

Don't miss

  • Exact assignment of contacts in fuse holder can be found in applicable current flow diagram .

📋 Procedure

  1. Remove cross brace General body repairs, exterior53Longitudinal member / support bracket (rear); Exploded view - longitudinal member / support bracket (rear).
  2. Remove bolts (arrows).
  3. Detach cover (1).
  4. Disconnect battery .
  5. Unplug electrical connectors (2, 3, 4).
AUDI? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Remove nut (arrow) and move wire (1) clear.
  2. Pull grommet (5) off upwards with wiring harness.
  3. Disengage catches (arrows).
  4. Take bracket (2) for relay and fuse holder upwards out of electronics box (3). At the same time, guide out grommet (1) for wiring harness.
  5. Release retaining clip (arrow), press out fuse carrier (2) towards rear and disengage at bracket (1).
  6. Release retaining clip and press off additional fuse holder (2).
  7. Release retaining clips (arrows) to pull relay (1) and control units out of relay carriers.
  8. Release retaining clips (arrows) and press relay carrier (3) towards rear out of retainer (4).
  9. Release retaining clip (1) and press connector (2) out of retainer.
  10. Release captive fastener and pull it off fuse carrier.
  11. Remove fuses from fuse carrier.
  12. Release retaining clips (arrows) and detach cover for fuse carrier.
  13. Detach retaining strip (1) for connectors (arrow) and take connectors out of socket. [Note: Exact assignment of contacts in fuse holder can be found in applicable current flow diagram .]
  14. Connect battery. Steps required .

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TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

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Workshop data on this page last updated 20 Sep 2026.