Volkswagen Touran Service Manual: Parking Aid Sensor, Painting

The following parameters must be met when painting to avoid malfunctions in the parking aid sensor (parking aid system):

New Part, Painting

Maximum coat thickness 125 mm; the coat thickness must always be measured after painting

Maximum curing temperature: 1 hour at 90 C (194 F)

Old Part, Painting

Only remove paint (sand) down to the primer

The minimum coat thickness of 5 - 10 mm coating must be maintained

Maximum coat thickness 125 mm; the coat thickness must always be measured after painting

Maximum curing temperature: 1 hour at 90 C (194 F)

Electric Conductivity

Paint or paint spray must not go into the connector; the pin contact must be guaranteed after painting

Cleaning

Dipping in cleaning solution without taping off the connector pin beforehand is prohibited.

Function Test

Connect the Vehicle Diagnostic Tester and check the function. Refer to → Electrical Equipment General Information; Rep. Gr.97.

Paint Structure and Coat Thickness, Repairing

1 -	Primed New Part with Replacement Part Primer Coat: 2 - 10 mm

2 -	Filler: 30 - 40 mm

3 -	Solid Base Coat: 10 - 20 mm

4 -	Metallic/Pearlescent Base Coat: 20 - 25 mm

5 -	Clear Lacquer: 35 - 50 mm

Paint Area

1 -	The paint area on the sensor is the front and side surface of the membrane The side surface is painted a minimum 3 mm to maximum 4 mm from the front side of the membrane toward the rear.

2 -	No paint is permitted in this area.

Attachments Coat the insides of the fenders, doors, covers and lids completely. A spray application wet in wet procedure is sufficient. ...

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