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Vacuum booster pump
Vacuum booster pump
As of Model Year 2001 certain petrol engines with automatic gearbox are fitted with an electric vacuum pump to boost the vacuum for the brake servo.
All TDI engines feature a pump for generating the brake servo vacuum.
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◆ TDI engines with distributor-type injection pump have a separate vacuum pump
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◆ TDI engines with unit injector system are fitted with a tandem pump which is also responsible for fuel delivery
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