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Removing and installing intake manifold flap motor V157 > < Repairing injection pump

Golf Mk4

Repairing intake manifold flap
Repairing intake manifold flap
Engine codes AGR, AHF, ALH, ASV
The intake manifold flap is closed for approx. 3 seconds when stopping engine and then opens again. This reduces the stop jolt.
Check intake manifold flap change-over → Chapter
   
1 - Intake pipe
2 - 10 Nm
3 - O-ring
q   Renew
4 - Intake connecting pipe
q   With exhaust gas recirculation valve -N18- and intake manifold flap.
5 - 10 Nm
6 - Gasket
q   Renew
7 - Connecting pipe
q   To exhaust manifold
8 - 25 Nm
9 - Vacuum actuator
10 - Variable intake manifold flap change-over valve -N239-
q   Checking → Chapter.
11 - Vacuum supply
q   From vacuum pump

   

Removing and installing intake manifold flap motor V157 > < Repairing injection pump