Special tools required:
Necessary preliminary tasks:
Seal off water hoses at fuel pump with special tool 13 3 010
Fig. 54: Identifying Special Tool (13 3 010) On Water Hoses
Recycling
Fuel escapes when fuel lines are detached. Have a suitable collecting container ready.
Catch and dispose of escaping fuel.
Observe country-specific waste-disposal regulations.
Disconnect plug connection (1).
Release hose clamps (2) and detach fuel hoses.
NOTE: Secure fuel pump (4) against falling out.
Disengage rubber retainers (3).
Installation:
Observe direction of flow of fuel pump (4).
Fig. 55: Identifying Plug Connection And Hose Clamps With Rubber Retainers
REPLACING FRONT ELECTRIC AUXILIARY HEATER
Necessary preliminary tasks:
NOTE: For purposes of clarity, the following graphics show the heater/air conditioner removed.
Disconnect plug connection (1).
Fig. 56: Identifying Plug Connection
Release screws (1).
Lay servomotor (2) to one side.
Fig. 57: Identifying Servomotor With Screws
Release screws (1).
Fig. 58: Identifying Screws
Release screws (2) and remove housing side section (2).
Fig. 59: Identifying Auxiliary Heater Housing
Disconnect plug connection (1).
Release screw (2).
Pull out electric auxiliary heater (3) and detach associated ground cable (4).
Installation:
Make sure ground cable (4) is securely seated.
Fig. 60: Identifying Plug Connection And Electric Auxiliary Heater