2891634 - 3330D24 vacuum pipe for brake servo - r+r

Removing ( Refitting )  - 3330D20  one-way valve for brake servo - r+r1. Disconnect the vacuum pipe from the vacuum unit.2. Disconnect the vacuum pipe for the EGR sytem from the T-connector with the E.G.R. solenoid valve pipe.3. Remove the vacuum pipe.
Refitting ( Removing ) Connect the vacuum pipe for the EGR sytem to the T-connector.Connect the vacuum pipe to the vacuum unit. - 3330D20  one-way valve for brake servo - r+r