Removing and installing intake manifold (bottom section, left-side) - vehicles with engine codes BUG and BUN — AUDI

🧭 Before you start

Fits: Audi Q7 (4L, 2005–2015)

• Opens: coolant
• Renewed: gaskets

Don't miss

• 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. — Drain off coolant 19.
• Block off intake ports in cylinder head with a clean rag.
• Fit banjo bolt for coolant bleeder line with a new seal and screw in 2 … 3 turns, before installing left-side intake manifold (bottom section).

🔧 Engine codes this applies to

📋 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. — Drain off coolant 19.
2. Remove engine cover panel .
3. Unscrew union nuts (1 ... 4) and detach high-pressure pipes.
4. Remove intake manifold (top section) .
5. Remove mechanical exhaust gas recirculation valve 26.

6. Unscrew retaining pin (2) for engine cover panel at intake manifold (bottom section).
7. Unclip change-over valve for exhaust gas recirculation cooler N345(1) from bracket.
8. Remove bracket for change-over valve for exhaust gas recirculation cooler N345.
9. Remove banjo bolt for coolant bleeder line using jointed wrench as illustrated.
10. Unplug electrical connector (1) at intake manifold flap 2 motor V275.
11. Remove bolts (arrows).
12. Push coolant bleeder line to one side and take out bottom section of intake manifold (left-side) together with intake manifold flap motor. [Note: Block off intake ports in cylinder head with a clean rag.] [Note: Renew gaskets and seals.]
13. Fit banjo bolt for coolant bleeder line with a new seal and screw in 2 … 3 turns, before installing left-side intake manifold (bottom section).
14. Install mechanical exhaust gas recirculation valve 26.
15. Install intake manifold (top section) .
16. Installing high-pressure pipes
17. Fill cooling system 19.
18. Check fuel system for leaks .

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