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Your cart is empty.Product Description
OEM Number:
- 724807650
- LR047384, LR025601, LR039592
- BB5E2A451BB, BB5E-2A451-BB
- BB5E2A451BC, BB5E-2A451-BC
- BB5E2A451BD, BB5E-2A451-BD
- BB5Z2A451C, BB5Z-2A451-C
- BB5Z2A451B, BB5Z-2A451-B
- BB5Z2A451A, BB5Z-2A451-A
What should I know If I have a bad Brake Vacuum Pump？
Loss of Brake Booster Assistance, Significantly Increased Stopping Distance
Brake pedal becomes extremely stiff, requiring excessive force to engage braking.
Engine Performance Issues
- Rough Idling: Vacuum leaks disrupt intake manifold pressure balance, causing engine shaking or stalling.
- Reduced Power: Turbocharged engines may suffer from inefficient boost control due to insufficient vacuum for wastegate regulation.
- Warning Lights: The ECU triggers dashboard alerts (e.g., brake system warning light or check engine light (CEL)) upon detecting abnormal vacuum pressure.
Failure of Other Vacuum-Dependent Systems
- EGR Valve Malfunction: The exhaust gas recirculation system cannot regulate emissions without vacuum.
- Suspension Issues: Active suspension systems (e.g., air suspension) in luxury vehicles may lose pressure control.
- A/C or Wiper Disruptions: Vacuum-operated components like HVAC flaps or intermittent wiper functions may fail.
Secondary Damage to Brake System Components
- Booster Overload: Prolonged lack of vacuum assistance accelerates wear on the booster diaphragm.
- Master Cylinder Damage: Excessive pedal force risks rupturing the master cylinder seals.
- Drastically Increased Repair Costs: Delayed replacement may require repairing both the booster and master cylinder, doubling or tripling expenses.
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