Table of contents: All ↓ Installation ↓
Remove the front and rear engine casing. Release the hose line "1" to the activated carbon canister. Remove the vacuum hose "2" from the air duct hose branch. Remove the air duct hose by loosening the clamp "3" and unlocking the locks "arrows".
"Pos. 4" do not take into account. Disconnect vacuum hose "2".
Ignore the "arrow". Disconnect the following electrical connectors:
- 1. Electromagnetic valve 1 of the absorber with activated carbon "N80"
- 2. Secondary air supply control valve "N112" (installed only for ULEV 2 emission standards)
- 3. Intake air temperature sensor "C42" / intake manifold pressure sensor "G71"
- 4. Coolant shut-off valve for Climatronic "N422" (installed only in cars without parking heater)
- 5. Secondary air supply control valve 2 "N320" (installed only for ULEV 2 emission standards)
- 6. Throttle module "J338"
Release the electromagnetic valve 1 of the activated carbon canister "N80" from the bracket and put it aside together with the connected hose. Disconnect the electrical connectors on the front part of the intake manifold.
- 1. Intake manifold sequential changeover valve "N156"
- 2. Variable geometry intake manifold position sensor - Overtake the vacuum hose "arrow".
USA-version vehicles: Remove the vacuum hose "arrow" leading to the diagnostic drain pump.
All
Release the vacuum hose "arrow". Disconnect the electrical wiring. Unscrew the bolt "3". Press the lock "2" up and remove the crankcase ventilation hose from the intake manifold.
Unscrew the "arrow" bolts and remove the upper part of the intake manifold.
Plug the cylinder head intake channels with a clean rag.
Installation
Reinstall in reverse order, taking into account the tightening torque. Replace gaskets and O-rings. When reinstalling, install all cable ties where they were originally installed. Use clamps of the appropriate series to secure all hose connections.
[The original material is located on the website: audimanual]