D 2009 Electrical system W 13-06-01 Removing and installing the heating plugs Commercial available tools 6 Removing the heating plugs z Disconnect cables from heating plugs. 1 2 z Unscrew nut (1). z Remove connecting rail (2). z Unscrew heating plugs (3). 3 z Visually inspect the components. © 41140-0 Installing the heating plugs z Screw in heating plugs (3). 1 15 Nm z Install connecting rail (2). 2 2,5 Nm Ensure that the installation location is free from faults. Ensure that the connection is perfect. z Tighten nut (1). 3 z Connect cables to heating plugs. © 41141-0 © 02/2006 6027-001 1/2