Removing and installing intake manifold (bottom section, left-side) — AUDI

🧭 Before you start

Fits: Audi A5 (8T, 2007–2016), Audi A5 Cabriolet (8F), Audi A4 B8 (8K, 2007–2015)

• Renewed: seals

Don't miss

• Disregard item (2).
• Proceed carefully when pressing connecting rod off ball stud (risk of breaking).
• Block off intake ports in cylinder head with a clean rag.
• Before installing intake manifold (bottom section), screw in banjo bolt for coolant bleeder pipe 2 to 3 turns with new seals (only for vehicles with engine codes CAPA, CAMA, CAMB).

🔧 Engine codes this applies to

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. ⚠ Always read rules for cleanliness and instructions for working on fuel system .Follow these instructions and rules for cleanliness before starting work and while working on the fuel system. — Unscrew bolts (arrows) and remove retaining clips.
2. Unscrew union nuts (1 ... 4) and detach high-pressure pipes.
3. Unscrew union nuts (1) and (3).
4. Move high-pressure pipes clear and detach. [Note: Disregard item (2).]
5. Remove intake manifold (top section) .

6. Carefully press connecting rod (2) off intake manifold flap 2 motor V275 in direction of (arrow) (observe note). [Note: Proceed carefully when pressing connecting rod off ball stud (risk of breaking).]
7. Unplug electrical connector (1).
8. Unscrew bolts (3) and detach intake manifold flap motor V275(item 4).
9. Unplug electrical connectors for glow plugs on cylinders 4, 5 and 6.
10. Take exhaust gas recirculation cooler change-over valve N345(item 1) out of bracket.
11. Use jointed wrench to unscrew banjo bolt (arrow) securing coolant bleeder line.
12. Remove bolt (4).
13. Release clamp (arrow) and detach exhaust gas recirculation pipe (1).
14. Remove bolts (arrows).
15. Press coolant bleeder line to one side and detach bottom section of intake manifold (left-side) to the front. [Note: Block off intake ports in cylinder head with a clean rag.] [Note: Renew seals and gaskets.]
16. Before installing intake manifold (bottom section), screw in banjo bolt for coolant bleeder pipe 2 to 3 turns with new seals (only for vehicles with engine codes CAPA, CAMA, CAMB).
17. Tighten banjo bolt for coolant bleeder line to 15.5 Nm. — 15.5 Nm (11 lb-ft)
18. Install intake manifold (top section) .
19. Install high-pressure pipes .

Other AUDI procedures

• Checking fuel gauge sender G - A5 from model year 2012 onwards, A4 from model year 2013 onwards (vehicles with front-wheel drive)
• Checking fuel delivery rate of fuel system pressurisation pump G6 (in fuel tank) - A5 up to model year 2011, A4 up to model year 2012 (vehicles with front-wheel drive)
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• Removing engine – Audi A8 D3 · 41 torque figures
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• Removing and installing intake manifold (bottom section, right-side) - vehicles with engine codes CASA and CASB