Beetle L4-1.9L DSL Turbo (ALH) (1998)
Diesel Intake Air Shut-Off Valve: Service and Repair
Intake Manifold Change-over Valve, Servicing
The intake manifold change-over flap is closed for approx. 3 seconds when engine stops and then opens again which reduces the stop jolt.
1
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Intake manifold
2
-
10 Nm (7ft lb)
3
-
O-ring
-
Always replace
4
-
Connecting flange
-
with EGR valve and change-over flap
5
-
10 Nm (7ft lb)
6
-
Gasket
-
Always replace
7
-
Connecting - line
-
to exhaust manifold
8
-
25 Nm (18 ft lb)
9
-
Vacuum control element
10
-
Intake Manifold Flap Change-over valve -N239-
11
-
Vacuum supply
-
from vacuum pump