Removing and Installing Complete Independent Heater

64 12 021 - Removing and installing complete independent heater





Special tools required:
- 13 3 010 13 3 010 Hose Clip





Necessary preliminary tasks:
- Remove left front wheel Removing or Installing Front or Rear Wheel.
- Remove wheel arch lining at front left.
- Remove left underbody paneling Removing and Installing/Replacing Left or Right Underbody Panelling.





Note:
Disconnect water hoses on independent heater.





Warning!
Danger of scalding!
Only perform the following tasks on an engine that has cooled down.
Follow instructions for working on cooling system Instructions for Working on Cooling System.





Note:
Disconnect fuel line on independent heater with special tool 13 3 010 13 3 010 Hose Clip.





Recycling:
Fuel escapes when fuel line is detached. Have a suitable collecting container ready.
Catch and dispose of escaping fuel.
Observe country-specific waste-disposal regulations.





Disconnect plug connections (1) and (2).

Caution!
To avoid damaging the independent heater, it is absolutely essential to adhere to the following contacting sequence for the plug connections:
1. Plug connection (1)
2. Plug connection (2)

Release hose clamps (3).





Disconnect fuel line (1).
Disconnect water hoses (2).
Release screws (3).
Detach independent heater (4) in direction of arrow from fixture (5).

Installation:
Make sure exhaust system (6) is correctly seated.
Top up coolant and vent cooling system.





Installation:
If necessary, replace rubber grommets (1) and grommets (2).