ar0920p1990rx

Remove/install the tumble flap and resonance flap switchover valve at the intake manifold

Type ar · topic 09.20 · version 0101 · 2008-09-12

Applies to: ENGINE 272.966 in MODEL 230.456 ENGINE 273.965 in MODEL 230.471

Where it sits

Function group 1 Engine › 09 Air intake, turbocharging › 09.20 Intake manifold, intake manifold preheater — Series 230 (models 456, 471)

EinPAS 15 Engine › 15.30 Air intake/charging › 15.30.32 Line/hose/valve — Series 230 (models 456, 471)

Also applies to engines/gearboxes: 272 966, 273 965

AR09.20-P-1990RX

Remove/install the tumble flap and resonance flap switchover valve at the intake manifold

28.8.08

ENGINE 272.966 in MODEL 230.456

ENGINE 273.965 in MODEL 230.471

Remove/install the tumble flap and resonance flap switchover valve at the intake
	manifold

P09.20-2195-06

1 Pneumatic line

2 Pneumatic line

3 Lock washer

4 Lock washer

5 Intake manifold

X205 Tumble flap/variable intake manifold switchover valves connector

Y22/6 Variable intake manifold switchover valve

Y22/9 Intake manifold tumble flap switchover valve

Remove/install

1

Turn key in ignition lock to position "0"

On vehicles with code (889), Keyless-Go: Press Keyless-Go start/stop button repeatedly until ignition is switched off.

Remove the Keyless Go transmitter card or transmitter key from the vehicle and store beyond the reach of the transmitter (min.

2 m).

2

Remove air filter housing

AR09.10-P-1150RX

3

Remove intake manifold (5)

AR09.20-P-1961RX

Variable intake manifold switchover valve (Y22/6)

4

Detach pneumatic lines (1) from variable intake manifold switchover valve (Y22/6)

5

Remove the lock washer (3)

Installation: Replace lock washer (3).

6

Disconnect the electrical connector (X205) at the variable intake manifold switchover valve (Y22/6)

7

Remove variable intake manifold switchover valve (Y22/6) from intake manifold (5)

Intake manifold tumble flap switchover valve (Y22/9)

8

Detach the pneumatic lines (2) from the intake manifold tumble flap switchover valve (Y22/9)

9

Remove lock washer (4)

Installation: Replace lock washer (4).

10

Remove electrical connector (X205) at the intake manifold tumble flap switchover valve (Y22/9)

11

Detach intake manifold tumble flap switchover valve (Y22/9) from intake manifold (5)

12

Install in the reverse order

Checking

Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

13

Carry out an engine test run and check intake tract and fuel system for leaks

Referenced documents