A/C - Condensation on Windshield When Hot or Humid

Group: 87

Number: 04-01

Date: Apr. 28, 2004

Subject:
Windshield, Condensation on Exterior Lower Center During Warm/Humid Weather Conditions

Model(s):
Touareg 2004

Condition

Condensation on exterior lower center of windshield during warm/humid weather conditions. Condensation can be removed using windshield wipers.

Service

Materials required:

^ Foam strip Part No: 7L6 857 345 (all vehicles)





^ Vehicle specific parts (see table shown)

CAUTION!
Part numbers are for reference only. Always check with your Parts Dept. for the latest parts information.

Repair Procedure:

- Connect the VAS 5051/5052 Diagnostic tool.

- Switch ignition ON.

- Select "Vehicle Self Diagnosis"

- Use scroll bar to the right of the screen.





- Scroll down and select vehicle system "08-Air conditioning/heating electronics".

- Determine Climatronic control module part number in vehicle (see VAG 5051/5052 screen upper right).

If new control module is required:

- Install control module (see Repair Manual, Group 87 - Climatronic Control Module -J255- with A/C control head, removing and installing.

For all vehicles, Install foam strip in center vent as follows:





Carefully remove dash center vent grill -1- using wedge tool T10039/1 (see notes below).

- Remove speaker assembly -2- if equipped.

Note:
Grill is attached with clips





DO NOT attempt to lift grill at -white arrows-, this trim piece is not part of the grill.

Grill is fragile, exercise care when removing. A second tool is useful when removing grill.

- Remove protective strip (exposing adhesive) on foam strip Part No: 7L6 857 345.





- Install foam strip with adhesive facing down below speaker and over vent opening (arrows).





- Press foam firmly in place ensuring entire vent opening is covered. (indicated by blacked out area).

- Reinstall speaker if equipped.

- Reinstall center vent grill.

Climatronic control module, coding

- Enter function "07" "Code Control Module"

- Enter Code for Control module on keypad

^ Dual Zone = 00020

^ Four Zone = 00030

- Select "Q" to confirm.

Repair verification:

- Verify proper operation of HVAC system.

- Ensure no Diagnostic Trouble Codes (DTCs) are stored in DTC memory.





When procedure applies to vehicles with-in the New Vehicle Limited Warranty, use the table shown.