Assembly Overview - water drain hoses

Assembly overview - water drain hoses (2 and 4 door vehicles)

1. - Sliding / tilting sunroof
2. - Water drainage pipe

Note

• When renewing the water drain hose, the replacement part is cut to length at the drain grommet which is not needed.
• For the positions of stickers and protective films please refer to old part.

3. - Drainage opening
   • Integrated in the frame of the sliding/tilting sunroof
4. - Water drainage valve

Drain hoses: cleaning

Cleaning water drain hoses (2 and 4 door vehicles)

Special tools and workshop equipment required

• Cleaning and insertion aid - VAS 6620-

clean

• Remove the screws -arrow - and push the rear wheel housing away to reach the inside end of the drainage pipe.

• Insert the flexible end of the probe Cleaning and assembly aid - VAS 6620- through the opening of the drain pipe -arrow-. The probe should reach the panoramic window.
• Again pull the probe out and slide-in, and alternating pouring water on the sliding/tilting sunroof.
• The water should run out at the lower end of the drain pipe.

Note If the panoramic window was removed, the drainage pipes can also be cleaned from above, from the water catchers of the sliding/ tilting sunroof.

• Attach screws -arrows-.
• Repeat the procedure with a different drain tube.
• Use the tightening torque of the screws.

Cleaning water drain hoses (ST Model)

Special tools and workshop equipment required

• Cleaning and insertion aid - VAS 6620-

Front water drain hoses

The front drainage hoses -1- run in the A pillars and terminate in the plenum chamber at the ends of the bulkhead cross member.

clean

• Cleaning is done from panorama sliding roof cut-out.

Rear water drain hoses

The rear water drain hoses -1- are routed through the C-pillars and end in the rear wheel housings.

clean

• Remove the screws -arrow - and push the rear wheel housing away to reach the inside end of the drainage pipe.

• Insert the flexible end of the probe Cleaning and assembly aid - VAS 6620- through the opening of the drain pipe -arrow-. The probe should reach the panoramic window.
• Again pull the probe out and slide-in, and alternating pouring water on the sliding/tilting sunroof.
• The water should run out at the lower end of the drain pipe.

Note If the panoramic window was removed, the drainage pipes can also be cleaned from above, from the water catchers of the sliding/ tilting sunroof.

• Attach screws -arrows-.
• Repeat the procedure with a different drain tube.
• Use the tightening torque of the screws.

Removing and installing water drain hoses

Removing and installing water drain hoses (2 and 4 door models)

1. - Water drainage pipe

Note

• When renewing the water drain hose, the replacement part is cut to length at the drain grommet which is not needed.
• For the positions of stickers and protective films please refer to old part.

Removing

• Removing roof trim
• Partially remove luggage compartment side panel trim
• Hang out the pipe -1- from the drainage opening -3-.
• Remove the pipe from the fastening clips
• Detach the discharge valve -5- from the bodywork -6- and remove the pipe -1-.

2. - C-pillar
3. - Drainage opening
   • Integrated in the frame of the sliding/tilting sunroof
4. - Fastener
   • 7 + 7 each
   • Engaged in body.
   • Bring the marking -arrow a- on the drainage pipe-1- into line with the clip shown (upper area of the rear fixed window).
5. - Water drainage valve

Note Insert the drain valve into the seat in the body with the aid of a soapy solution.

• Bring the marking -arrow b- of the drain valve -1- into line with the top edge of the drain valve -5-.

6. - Bodywork