Find solutions to your problems with the help of IDNLearn.com's knowledgeable users. Get comprehensive and trustworthy answers to all your questions from our knowledgeable community members.

While testing the vacuum brake booster the engine is operated for two minutes then shut off the brake pedal then applied normally 2 to 3 times the pedal goes down normally each time technician says this indicates the booster is operating normally technician says check is defective and should be replaced