Rick's Free Auto Repair Advice

Posts Tagged: Brake Booster Pump

Electric Brake Booster Pump — Why they’re used

Learn why carmakers use an electric brake booster pump An automotive brake booster uses vacuum to multiply the brake pedal force applied by the driver, providing the higher hydraulic pressure needed for effective braking. Traditionally, this vacuum was supplied by an engine-driven vacuum pump. However, with the much smaller engines in late model vehicles and the use of turbochargers there’s simply less manifold vacuum available to power a brake booster. So carmakers have had to add an electric brake booster pump on smaller engines, engines with turbochargers and even EV … Read More

Bad Brake Booster Vacuum Pump Symptoms

Learn the most common symptoms of a bad brake booster vacuum pump Carmakers use a brake booster electric vacuum pump to supply vacuum to operate the brake booster on vehicles with small displacement engines or engines equipped with a turbocharger. A bad electric brake booster vacuum pump can fail in predictable ways. Here’s a list of the most common booster vacuum pump symptoms A stiff brake pedal is the most common symptom One of the first symptoms of a potential problem with the brake booster vacuum pump is a stiff … Read More


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