2014 Infiniti Q50: Master cylinder and pump seal failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2014 Q50 report: master cylinder and pump seal failure. CarComplaints.com lists 1 owner complaints, average mileage 29,000 miles.
NHTSA has 17 owner complaints for the 2014 Q50 in this area. Examples:
- NHTSA complaint ODI #11729283 (filed 04/05/2026): “On april 2nd i took my vehicle into the dealer for recall servicing. after leaving the dealer i had my vehicle inspected the next day by a third party repair shop and my brake caliper was missing the main bolt that connects to the brake pad. brake pads were al…”
- NHTSA complaint ODI #11566220 (filed 01/18/2024): “Traction control did not function when needed. i had my breaks and rotors replaced two days prior to the accident, which may have had an impact on the performance of the vehicle. insurance representatives did look over the vehicle, as it is now in their posse…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: replace master cylinder (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Moderate
Pads and rotors are a common DIY job with hand tools and a jack; ABS/hydraulic faults need a scan tool. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $2,000 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .