Air Injection Pump: Service and Repair

WM 266519 Removing and installing secondary-air pump

Technical values





Removing

Removing secondary-air pump

1. Release electric plug connection -a- and pull it off -A-.





Disconnecting connector for secondary-air pump

2. Loosen screw-type clamp -1- on secondary-air pump and pull off the hose.





Removing secondary-air pump

3. Unscrew fastening screws -2- on the secondary-air pump bracket.

Installing

Installing secondary-air pump

1. The secondary-air pump is installed in reverse order to removal.
2. Replace and tighten fastening screws on secondary-air pump. => Initial tightening: 4 Nm (3 ftlb.) and => Torque angle: 90°