Removing Air Box For Throttle Housing (Intake Pipe Upstream Of Throttle Valve)

Loosen screw-type clamp on the throttle housing. Disconnect cable plug of mass air flow meter. -arrows-

Fig 1: Locating Throttle Housing Screw-Type Clamp
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Turn both fastening bolts on the air cleaner housing from the initial mark to the removal mark -arrows- .

Fig 2: Turning Air Cleaner Housing Fastening Bolts
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Pull out both fastening bolts with pointed-nose pliers. Pull intake pipe out of air cleaner housing by joggling it -arrows- .

Fig 3: Pulling Intake Pipe Out Of Air Cleaner Housing
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Carefully raise intake pipe and pull off cable for mass air flow meter on the intake pipe underneath the intake pipe.

Fig 4: Identifying Intake Pipe Cable
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove intake pipe.