64 12 160 Removing and installing or replacing complete independent heater with bracket

Special tools required: 

• 13 3 010

Recycling:

Fuel escapes when fuel lines are detached. Have a suitable collecting vessel ready.

Catch and dispose of escaping fuel.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks:

• Remove left UNDERBODY PANELLING

Disconnect plug connection (1).

Release hose clamp (2) and detach fuel line.

Release screw (3).

Tightening torque 64 12 2AZ .

Fig 1: Identifying Plug Connection, Hose Clamp And Screw

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Disconnect coolant hoses (1) with special tool 13 3 010 .

Release hose clamps (2) and detach coolant hoses (1).

Release nuts (4) and unclamp associated hoses from holder (5).

Remove heater (3) and set down on a suitable surface.

Fig 2: Identifying Coolant Hoses, Hose Clamps, Heater, Nut And Holder

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Release hose clamp (1) and remove complete heater (2) with bracket.

Fig 3: Identifying Hose Clamp And Heater

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Replacement:

Modify SILENCER .

Release hose clamp (1) and detach coolant hose.

Release screw (2).

Tightening torque 64 12 3AZ .

Disconnect plug connection (3) and remove auxiliary water pump (4).

Installation note: 

Check coolant hoses for damage and replace if necessary.

Fig 4: Identifying Hose Clamp, Plug Connection And Screw

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Release screws (1) and remove heater from bracket (2).

Tightening torque 64 12 4AZ .

Fig 5: Identifying Bracket And Screw

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Replacement:

Until 09/2012, replace for diesel engines duplicate type label (1).

Fig 6: Identifying Diesel Engines Duplicate Type Label

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After installation:

• VENT COOLING SYSTEM