Throttle Valve Control Modules

Throttle Valve Control Modules

Removing

- Install the protective body covers. Refer to => [ Protective Body Covers, Installing ] Procedures.

- Remove the engine cover - arrows -. Do not jerk or pull to one side.





Right Throttle Valve Control Module (J338)

- Loosen the hose clamps - arrows - and remove the air guide hose.





- Move the air guide hose, with the crankcase housing ventilation hose - 1 - still connected, to the side.

Left Throttle Valve Control Module 2 (J544)

- Loosen the hose clamps - arrows - and remove the air guide hose.





- Move the brake booster air guide hose with the vacuum hose still attached - 1 - to the side.

Continued for Both Sides:

- Disconnect the connector - 1 -.





- Remove the bolts - arrows - and the throttle valve control module.

Installing

• Tightening specifications, refer to => [ Intake Manifold, Upper Section Assembly Overview ] Intake Manifold, Upper Section Assembly Overview and => [ Intake Manifold Upper Section
Tightening Specification and Sequence ] Intake Manifold, Upper Section Assembly Overview.

Installation is in reverse order of removal, note the following:

• Replace the seals

• The hose connections as well as the air guide pipes and hoses must be free of oil and grease before installing.

• Secure all hose connections with hose clamps appropriate for the model.

• In order to be able to mount the air guide hoses on their connectors, spray the screws on the previously used clamps with a rust remover.

- After replacing, perform an adaptation in guided fault finding vehicle diagnosis, testing, and information system (VAS 5051B).