Heater

Heater

Special tools, testers and auxiliary items required

• Drip Tray For Workshop Hoist (VAS 6208)

• Hose Clamps up to 40 mm (VAS 3093)

• Compressed air gun, commercially available

Removing

• To improve accessibility, additional components must be removed, for example, the engine cover (depending on engine version).

- Remove the instrument panel.

- Remove the rear channels from the right and left footwells. Refer to => [ Rear Channel, Footwell ] Rear Channel, Footwell.

- Place (VAS 6208) under the engine.






- Mark the coolant hoses - 1 -.

Contact with hot engine coolant can cause severe scalding.

Coolant temperature can be above 100 °C with a warm engine. The coolant system is under pressure.

If necessary, reduce pressure and temperature before repairs.

- Clamp the coolant hoses - 1 - using the (VAS 3093) and remove the coolant hoses from the heat exchanger.

- Cover the carpet inside the passenger compartment with waterproof foil and water absorbing paper.

- Clear out any coolant still in the heat exchanger using a compressed air gun.

• When removing the bolts, make note of the lengths and allocation.






1 Screw

• 3.5 ± 0.5 Nm

2 Screws

• 4 Nm

• Quantity: 2

3 Cable Bracket

4 Heater

Removing

- Disconnect the connectors from the heater.

• All cable ties opened or cut during removal must be reinstalled at the same locations during installation.

- Remove the bolts - 9 - and - 5 -.

- Remove the supports - 7 - and - 8 -.

- Remove the bolts - 10 - and - 12 - and bracket - 11 -.

- Remove the bolts - 1 - and - 2 - from the cable bracket - 3 -.

• It is necessary to pull the heater slightly off the bulkhead on the driver side in order to have access to the bolt - 1 -.

• When removing heat unit, make sure the two coolant pipes of the heater core do not get caught and bent or damaged on plenum chamber or noise insulation pan.

• Pay attention to the wiring harness. The individual wire connections could get damaged when pulling on harness.

- Remove the heater.

Installing

Installation is carried out in the reverse order while noting the following:

• A second technician is necessary to install the heater.

- When inserting heater, have the second technician guide the coolant pipes to heater core through the seal (from engine compartment)=> [ Seal Heater/Engine Compartment ].

- Add coolant.

5 Bracket

6 Subframe

7 Right Support

8 Left Support

9 Screws

• 9 ± 1.3 Nm

10 Screws

• 9 ± 1.3 Nm

• Quantity: 2

11 Bracket

12 Screws

• 9 ± 1.3 Nm

• Quantity: 2

Seal Heater/Engine Compartment





• Make sure the seal - A - is installed correctly.

Installing

Install in reverse order of removal.