Intake manifold flap, servicing
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Volkswagen Jetta, 2001 Volkswagen Golf, 2000 Volkswagen Jetta, 2000 Volkswagen Golf, and 1999 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
The intake manifold flap is closed for approx. 3 seconds when stopping engine and then opens again. This reduces the stop jolt.
Checking Change-over valve for intake manifold flap → Intake manifold flap change-over valve, checking
NOTE:
- Components marked with an asterisk (*) are checked via the On Board Diagnostic (OBD) program → Diagnostic Trouble Code (DTC) memory, checking and erasing
1 - Intake manifold
2 - 10 Nm
3 - O-ring
- Always replace
4 - Connecting flange
- With exhaust gas recirculation valve and intake manifold flap
- Check the change-over mechanism for the intake manifold flap for ease of movement and function
5 - 10 Nm
6 - Gasket
- Always replace
7 - Connecting line
- To cooler for exhaust gas recirculation: → 26 - EXHAUST SYSTEM, EMISSION CONTROLS
8 - 25 Nm
9 - Vacuum control element
- Checking → Intake manifold flap change-over valve, checking , Check the change-over of the intake manifold flap
- Do not damage operating rod when installing
10 - Change-over Valve for Intake Manifold Flap N239 *
- Check change-over of intake manifold flap → Intake manifold flap change-over valve, checking
11 - Vacuum hose
- Connection diagram for vacuum hoses: → 26 - EXHAUST SYSTEM, EMISSION CONTROLS