Procedure For Cleaning The Hood

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Maintain a minimum distance of 300 mm between the power washer spray jet and the hood. Do not direct the high-pressure blast directly onto the seals.
Before using the Wash Shampoo, clean highly soiled areas using the power washer (starting at the cowl panel frame and moving towards the hood compartment lid)

Fig 1: Cleaning Hood Covering Using Power Washer (997 Cabriolet)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Mixing the Wash Shampoo from the Cabriolet T Equipment Care Case : 1/2 large cap (measuring cap) -A- to 2 liters of water (i.e. 1 1/2 caps to 5 liters)

Fig 2: Identifying Hood Care Product
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Use a brush with strong, non-scratch bristles. Rub the water/shampoo mixture into the hood fabric in circular movements while pressing slightly on the brush until a film of foam forms.

Fig 3: Cleaning Hood Covering Using Brush - (997 Cabriolet)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Maintain a minimum distance of 300 mm between the power washer spray jet and the hood. Do not direct the high-pressure blast directly onto the seals.
Do not let the Wash Shampoo dry in. Rinse the foam thoroughly off the hood, starting at the cowl panel frame and moving towards the hood compartment lid.

Fig 4: Cleaning Hood Covering (997 Cabriolet)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.