Mechanical Vacuum Pump

Mechanical Vacuum Pump

Removing

- Remove the air guide cover - 1 -, disengage the clips sideways to do so.






- Unclip the intake air duct - 2 -.

- Remove the air filter housing and connecting pipe, while doing this remove the bolt - A -, disconnect the connector - B - and remove the spring clip - C -. When reinstalling, observe the mark - D -.






- Disconnect the vacuum hose - A -.






- Remove the vacuum pump bolts - arrows -.

- Carefully remove the vacuum pump from the cylinder head.

• If the seal (- item 7 - in the => [ Mechanical Vacuum Pump Overview ] Mechanical Vacuum Pump Overview) remains stuck the vacuum pump, reinsert the driveshaft back into the vacuum pump and try removing again. New vacuum pumps are supplied with the seal. Never install 2 seals.

Installing

- Ensure the seal is seated correctly in the vacuum pump.

- Turn the vacuum pump rotor so the flattened sides of the driveshaft fit into the rotor.

- Slide the vacuum pump evenly into the hole on the cover until seated.

If the vacuum pump is pulled out again, the location of the seal must be checked again.

- Tighten the vacuum pump bolts - arrows - and reconnect the vacuum hose - A -.






For the correct tightening specifications, refer to => [ Mechanical Vacuum Pump Overview ] Mechanical Vacuum Pump Overview.

Installed Position, Temporary Seal





The seal - A - must:

• be inserted in vacuum pump with the large opening toward the top

• seat flush with the chamfer in the rotor

Characteristics of the Vacuum Pump Seal





A Temporary seal, note the installed position when removing and installing.
B Permanent seal, installed position must not be observed.