Design
Senior Member
- Joined
- Sep 28, 2015
- Threads
- 28
- Messages
- 3,329
- Reaction score
- 2,903
- Location
- Southern California
- Vehicle(s)
- 09 MS3, 17 ABM Si Sedan
The best way to test is to turn the car off and pump the brakes 3-4 times. If the pedal becomes firm, and remains firm, your condition is normal and can be attributed to the operation of the booster. If you're really worried about it, ask that an experienced mechanic take it for a quick test drive during your next oil change. GL.
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