Damages resulting from improper repair or failure to follow these work instructions are the dealer’s
responsibility and are not eligible for reimbursement under this action.

•

This procedure must be read in its entirety prior to performing the repair.

•

Due to variations in vehicle equipment and options, the steps/illustrations in this work procedure may not
identically match all affected vehicles.

•

Diagnosis and repair of pre-existing conditions in the vehicle are not covered under this action.

•

When working during extreme temperatures, it is recommended that the vehicle be allowed to acclimate
inside the shop to avoid temperature-related component damage/breakage.

Required Tools

Pry lever
-80-200(or equivalent)

Label Squeegee
(locally sourced)

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2020 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
March 2020

66L4 Page 6 of 14

Repair Instruction
Section A - Check for Previous Repair
TIP
If Campaign Completion label is present, no further work is required.
•

Enter the VIN in Elsa and proceed to the
“Campaign/Action” screen.

TIP
On the date of repair, print this screen and keep a copy
with the repair order.
•

Confirm the Campaign/Action is open .
If the status is closed, no further work is required.

•

Note the Applicable Criteria ID for use
in determining the correct work to be done and
corresponding parts associated.

•

All Safety Recalls MUST be completed before
starting this Campaign.

Proceed to Section B

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2020 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
March 2020

66L4 Page 7 of 14

Section B – Repair Procedure
Visually inspect cowl seam area:
•

Remove cowl cover clips .

•

Pull back heat shield slightly.

Inspect water tape installation:
NOTE
Correct installation shown:
•

Water tape is not covering the holes
.

•

Horizontal tape in installed first (vertical
tape is on top).

•

If water tape is present and installed correctly,
no further work is required, proceed to
Section C.

•

If water tape is present, but installed
incorrectly (any of the holes are
covered), proceed to next step.

•

If water tape is not present, proceed to next
step.

Remove oxygen sensor wiring:
•

Remove wiring from clips .

•

Remove wiring clips and connector holder
from firewall using -80-200-.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2020 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
March 2020

66L4 Page 8 of 14

Remove circle metal clips :
•

Remove clips
clockwise.

•

Do not pry off the clips.

by

unscrewing

counter-

Access cowl and firewall:
•

Carefully fold heat shield down to access
cowl and firewall .

Prepare cowl and firewall:
•

Reinstall clip .
NOTE

Reinstalling clip secures both sections of the
cowl to allow for proper installation of the water tape.
•

Remove original tape (if present).

•

Clean shaded area with a lint free cloth and
isopropyl alcohol.

•

Allow the alcohol to completely evaporate
(approx. 5 minutes) before installing the water
tape.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2020 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
March 2020

66L4 Page 9 of 14

NOTE
The water tape is supplied in a quantity of five per
sheet. Two individual pieces will need to be cut from
the sheet.

Qty.

Part Number

Part Description

2

5NN-803-600

Water Tape

Prepare the first piece of water tape:
•

Tape will be installed horizontally.

•

Peel and fold the backing away as shown.

Install the first piece of water tape horizontally:
•

Ensure the holes are not covered.

•

Start the tape approximately 1 cm from bolt .
NOTE

The 1 cm dimension must be achieved to ensure the
water is diverted correctly.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2020 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
March 2020

66L4 Page 10 of 14

•

Apply bottom edge of tape to firewall
first.

•

Ensure there are no wrinkles or bubbles along
the tape on the firewall.

•

Finish applying the tape upward on the cowl
sections as shown.

•

Ensure there are minimal air bubbles.

Prepare the second piece of water tape:
•

Tape will be installed vertically.

•

Peel and fold the backing away as shown.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2020 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
March 2020

66L4 Page 11 of 14

Apply the second piece of water tape
vertically:
•

Start the tape at the bottom edge of the firewall
.

•

The tape will be centered with the cowl
sections seam.

•

Apply bottom section of tape to
firewall first.

•

Work upwards while forming the tape to the
shape of the cowl sections seam.

•

Secure the edge on the passenger side
next.

•

Ensure there are minimal air bubbles.

•

Finish applying the tape upward on the cowl
sections as shown.

•

Ensure there are minimal air bubbles.

•

Remove clip .

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2020 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
March 2020

66L4 Page 12 of 14

•

Scan the QR code or follow the link to view a
short overview video of the tape installation.
NOTE

The video refers to the 66J8 Service Action. The
procedure for installing the water tape is the same
for this action.

https://vwcup.track360.com/?p=vwiqCertification&id=11725

Reinstall heat shield:
•

Reposition heat shield and install clips
.

Reinstall wiring:
•

Install wiring clips and connector holder
to firewall.

•

Install wiring into clips .

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2020 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
March 2020

66L4 Page 13 of 14

Reinstall clips:
•

Install cowl cover clips .

Proceed to Section C.

Section C – Campaign Completion Label
Install Campaign Completion Label
•

Fill out and affix Campaign Completion
Label, part number CAMP 010 000, next to
the vehicle emission control information
label.

TIP
Ensure Campaign Completion Label does not cover
any existing label(s).

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Volkswagen dealer. 2020 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
March 2020

66L4 Page 14 of 14