13 54 045 Removing and installing/sealing a throttle assembly (S54): Notes

Remove intake air manifold. Refer to 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD .

Remove fan cowl.

Release nuts, remove idle-speed control valve (1) together with holder from assembly and place to one side.

Fig 1: Removing Idle-Speed Control Valve

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If throttle assembly 1 is to be removed, remove throttle potentiometer. Refer to 13 63 555 Replacing throttle potentiometer (S54)  .

If throttle assembly 6 is to be removed, remove pulse generator of inlet camshaft. Refer to 12 14 523 REPLACING PULSE GENERATOR ON INLET CAMSHAFT .

Remove fuel injector rail. This operation is described in the section "Removing and installing/replacing a fuel injector". Refer to 13 64 501 Removing and installing/replacing a fuel injector (S54)  . Remove auxiliary air line.

Removal: 

Removal of a throttle assembly is described separately from its installation.

Unclip pull rod (1) for throttle actuator on throttle side (long pull rod).

Fig 2: Unclipping Long Pull Rod

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Unclip pull rods (1) on all throttle assemblies.

Fig 3: Unclipping Pull Rods On Throttle Assemblies

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Release screw connection of actuating lever on long pull rod.

Always grip screw (2) and turn nut (1) in so doing.

Fig 4: Releasing Screw Connection Of Actuating Lever On Long Pull Rod

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Release screw connection of actuating lever with actuating shaft on all throttle assemblies.

Always grip screw (2) and turn nut (1) in so doing.

Fig 5: Releasing Screw Connection On All Throttle Assemblies

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Detach lock washer (1) from actuating shaft.

Fig 6: Detaching Lock Washer From Actuating Shaft

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Withdraw actuating shaft (1) in direction of arrow from throttle assemblies.

Fig 7: Withdrawing Actuating Shaft

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Support actuating lever (2) when withdrawing actuating shaft (1).

Fig 8: Supporting Actuating Lever

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Release screw connection of corresponding throttle assembly.

Remove throttle assembly.

Fig 9: Removing Throttle Assembly

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