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Removing and installing reducing agent tank (platform van and chassis) — AUDI

Removing and installing reducing agent tank (platform van and chassis) on Audi: 13 steps, engines BJJ, BJK, BJL, BJM.

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

13 steps 8 engine codes

🧭 Before you start

Fits: platform codes 2EA, 2ED, 2EH, 2EX, 2EB, 2EE, 2EK, 2FC, 2FF, 2FL, 2FZ, 2FG, 2FM

Don't miss

  • Make sure that all components are attached to reducing agent tank and that no lines are squashed.

🔧 Engine codes this applies to

📐 16 workshop diagrams for BJJ

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

Removing and installing reducing agent tank (platform van and chassis) — BJJ · diagram 1
Removing and installing reducing agent tank (platform van and chassis) — BJJ · diagram 2
Removing and installing reducing agent tank (platform van and chassis) — BJJ · diagram 3
Removing and installing reducing agent tank (platform van and chassis) — BJJ · diagram 4
Removing and installing reducing agent tank (platform van and chassis) — BJJ · diagram 5
Removing and installing reducing agent tank (platform van and chassis) — BJJ · diagram 6
Removing and installing reducing agent tank (platform van and chassis) — BJJ · diagram 7
Removing and installing reducing agent tank (platform van and chassis) — BJJ · diagram 8
+ 8 more diagrams

📋 Procedure

  1. ⚠ The reducing agent can irritate skin, eyes and respiratory organs.After skin contact with this agent, wash immediately with plenty of water.If necessary seek advice from a doctor. — Emptying tank for reducing agent .
  2. Remove cover .
  3. ⚠ Immediately seal all openings and connections using suitable plugs to stop ingress of dirt. The smallest particle of dirt can cause extensive damage to the system.Protect separated electrical connections against wetting from reducing agent by suitable means, e.g. plastic bag and cable ties. Electrical connections may be damaged due to the high penetration ability along with subsequent crystallisation of the reducing agent. — To pull off delivery line (1), first push delivery line onto delivery module (2) as far as stop.
  4. Then press securing clips of delivery line (arrow) together and pull delivery line off delivery module.
  5. Separate electrical connector (4) of delivery line.
BJJ? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Pull connector (3) off delivery module (2).
  2. Remove tensioning straps .
  3. Pull reducing agent tank of body a little.
  4. Pull connector off evaluation unit for reducing agent level G698.
  5. Unclip control unit for reducing-agent heater J891 on tank for reducing agent.
  6. Remove reducing agent tank. [Note: Make sure that all components are attached to reducing agent tank and that no lines are squashed.]
  7. Install tensioning straps .
  8. Fill tank for reducing agent 10.2.
Workshop diagrams

Ask TorqFix about your Audi BJJ — it answers with the exact sequence for that engine and the workshop drawing for each step. First question is free after a 20-second sign-up, no card.

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Who makes these pages, and how

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.

Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com

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Workshop data on this page last updated 20 Sep 2026.