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Having brake problems with my Hyundai Matrix doesn't stop

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sufficient at low speeds...
having brake problems with my Hyundai Matrix doesn't stop sufficient at low speeds . Have replaced wheel cylinders and all brakes . Mechanical altered the timing which helped strangely but still a problem any ideas ?
Submitted: 2 years ago.Category: Hyundai
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Answered in 20 minutes by:
8/27/2015
Hyundai Mechanic: Cardoctor71, Master Certified Technician replied 2 years ago
Cardoctor71
Cardoctor71, Master Certified Technician
Category: Hyundai
Satisfied Customers: 675
Experience: ASE Master Certified Technician with 35 years experience
Verified

If slow speed brake operation is the problem and altering the timing helped I would think the engine for some reason has insufficient vacuum or the vacuum hose going to the brake booster has a hole it in or is plugged.

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Hyundai Mechanic: Cardoctor71, Master Certified Technician replied 2 years ago

Please rate my service a 3 or above if for some reason you can not, please ask me additional questions, i will continue to answer your questions even after you have given your rating until you are satisfied with my answers.

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Cardoctor71
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