Panamera S (970) V8-4.8L (2010)
Vacuum Pump: Testing and Inspection
Checking vacuum pump
Information
The vacuum pump creates the necessary vacuum for the following components and functions:
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The variable intake system on naturally aspirated engines (secondary load).
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Sports flap exhaust system (secondary load).
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The tank leakage test on US vehicles (secondary load).
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Wastegate control on turbo vehicles (secondary load).
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Brake booster (main load - large connection)
Defects in the specified systems can be caused by a defective vacuum pump. To avoid replacing components based on suspected defects and repeat
repairs, the function of the vacuum pump must be checked.
The vacuum pump -1- is fitted at the rear of the right cylinder head on V-engines.
Vacuum pump with connections