Jetta GLS L4-1.9L DSL Turbo (ALH) (2001)
Intake Air Control Valve: Service and Repair
INTAKE MANIFOLD FLAP, SERVICING
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. See: Testing and Inspection
1
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Intake manifold
2
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10 Nm (7 ft lb)
3
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O-ring
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Always replace
4
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Connecting flange
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With exhaust gas recirculation valve and intake manifold flap
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Check the change-over mechanism for the intake manifold flap for ease of movement and function
5
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10 Nm (7 ft lb)
6
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Gasket
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Always replace
7
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Connecting line
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To cooler for exhaust gas recirculation.
8
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25 Nm (18 ft lb)
9
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Vacuum control element
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Checking See: Testing and Inspection
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Do not damage operating rod when installing
10
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Change-over Valve for Intake Manifold Flap (N239)*
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Check the changeover of the intake manifold flap. See: Testing and Inspection
11
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Vacuum hose