Volkswagen Passat B5+ heater radiator replacement

Photo report on how to replace the heater radiator at Volkswagen Passat B5+ with AWT engine.

If you decide to replace the heater radiator without any professional help, though this procedure is not very difficult, take on this task if you are confident of your further actions, because even though you need not many tools (several screwdrivers), you will have to disassemble the half of the car interior, so it is possible not to assemble everything again…

I recommend to change the heater radiator to an expensive and high-quality one so that not to repair it again in a couple of years. And also make sure to replace the sealing foam of the air distribution system.

What heater radiator should be installed at VW Passat B5+?

Original number is 8D1819030B.

Equivalents:

  • NISSENS 70224.
  • AVA AI6097.
  • BEHR-HELLA 8FH 351 311-421.
1

First, remove the dash panel end covers. Right-side view.

2

The dash panel end covers on the left.

3

Remove the driver's airbag and steering wheel.

4

Next, remove the lower shelf from the driver's side.

5

After that remove the understeering switch cover.

6

Unscrew 4 bolts and lower the assembled steering column.

7

Steering column.

8

The next step is to remove the dashboard.

9

Then disassemble the center console: pull out the buttons, unscrew the climate control unit.

10

The «internals» of the center console.

11

Next, unscrew 2 self-tapping screws, take out the center console body and the car stereo.

12

Having removed the center console body and car stereo, remove the glove box.

13

Next, take out the dash panel from the car interior.

14

Disconnect the passenger’s airbag (yellow plug).

15

Remove the central duct.

16

Next, remove ECU from under the hood and disconnect all the connectors under it.

17

Remove the metal dash panel amplifier.

18

Next, unscrew the air conditioner tubes and pour the refrigerant (under the hood).

19

Pull out the heater radiator body and pull the radiator up.

20

Next, install a new heater radiator and assemble everything in reverse order. The only difficulty is to lay out the wiring harnesses in the reverse order.

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