The 2011 Lincoln MKZ shares the Ford CD3 platform with the Fusion and Milan. The 3.5L V6 (Duratec 35) is generally reliable, but the 6F35 transmission and water pump are weak points. Hybrid models add complexity with CVT and battery concerns.
6F35 Transmission Internal Cooler Failure Leading to Catastrophic Damage
Common · high severity
Typical onset: 80,000-130,000 mi
Symptoms: Pink or strawberry-milkshake appearance in coolant reservoir, Transmission slipping, delayed engagement, or harsh shifts, White smoke from exhaust after coolant contamination, Engine overheating due to transmission fluid in cooling system
Fix: Internal transmission oil cooler ruptures, mixing ATF and coolant. Requires transmission replacement or complete rebuild (12-16 hours), coolant system flush, sometimes engine teardown if coolant entered cylinders. This is a known Ford 6F35 design flaw. Many shops recommend external cooler addition during repair.
Estimated cost: $3,500-6,500
Water Pump Failure with Internal Engine Damage Risk
Common · high severity
Typical onset: 60,000-100,000 mi
Symptoms: Coolant leak from timing cover area, Engine overheating or temperature fluctuations, Whining or grinding noise from front of engine, In severe cases: coolant in oil, milky oil appearance, catastrophic bearing failure
Fix: The Duratec 35 water pump is internally mounted behind timing cover. When it fails, coolant can leak into crankcase, destroying bearings and requiring engine rebuild. Early catch = 6-8 hours for water pump, timing chains, and gaskets. Late catch = complete engine replacement or rebuild (20-35 hours). This is THE killer of these engines.
Estimated cost: $1,800-2,500 preventive / $4,500-8,000 after engine damage
Power Steering Electric Assist (EPAS) Module Failure
Occasional · high severity
Typical onset: 70,000-110,000 mi
Symptoms: Complete loss of power steering assist, "Service AdvanceTrac" and steering warning lights, Steering becomes extremely heavy at low speeds, Intermittent assist that comes and goes
Fix: Electric power steering control module fails, typically requiring replacement of steering column assembly or PSCM module (3-5 hours). This is a NHTSA recall item for some VINs, but many units fail outside recall coverage. Dealer-only programming required after replacement.
Estimated cost: $1,200-2,200
Rear Transmission Mount Collapse
Common · medium severity
Typical onset: 60,000-90,000 mi
Symptoms: Loud clunk when shifting from Park to Drive or Reverse, Excessive vibration during acceleration, Clunking over bumps from transmission area, Visible sagging of transmission when inspected on lift
Fix: Rear transmission mount uses hydraulic design that fails prematurely. Replacement is straightforward (1.5-2 hours) but OEM mount will fail again. Many techs install aftermarket solid or polyurethane mount for longevity, though it transmits slightly more vibration.
Symptoms: NHTSA recall notices sent to registered owners, No symptoms until catastrophic failure during deployment, Metal shrapnel risk during airbag deployment
Fix: Four separate campaigns for passenger and driver airbag inflators. This is a FREE recall repair at any Lincoln dealer, taking 1-2 hours. Critical safety issue — metal fragments can cause serious injury or death. Check VIN at NHTSA.gov before purchase. Parts availability has been problematic, causing delays.
Symptoms: Reduced fuel economy compared to when new, "Service Hybrid System" warning message, Engine running more frequently, less electric-only operation, Battery cooling fan running constantly
Fix: NiMH battery pack degrades over time. Individual cell replacement possible (8-12 hours) but most shops replace entire pack (5-6 hours). Aftermarket refurbished packs available at significant savings vs. dealer pricing. Some owners limp along with degraded performance rather than repair.
Symptoms: Check engine light with P0456 or P0457 (small EVAP leak), Fuel smell after fill-up or when parked, Difficulty fueling, nozzle clicks off repeatedly, Failed emissions testing
Fix: Purge valve on top of fuel tank fails, or vapor canister cracks. Tank must be dropped for access (2.5-4 hours depending on rust). Ford fuel system components on this platform are problematic. Diagnosis can be tricky — smoke test recommended before dropping tank.
Estimated cost: $400-800
Owner tips
Change transmission fluid every 30,000 miles regardless of "lifetime fill" claim — extends 6F35 life significantly
Install external transmission cooler if you tow or drive in hot climates — $200 investment prevents $5,000 failure
Monitor coolant level obsessively — any unexplained loss could be water pump internal leak starting
Address Takata airbag recall immediately before purchase or refuse to buy until completed
On hybrid models, verify battery health with dealer diagnostics before purchase — replacement is expensive
Buy the V6 non-hybrid under 80K miles if water pump and transmission have been serviced with records, otherwise the water pump time bomb and transmission cooler Russian roulette make this a risky proposition for DIY owners.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE · 21V158000
2021-03-10 · EA15001
Ford Motor Company (Ford) is recalling certain 2007-2011 Ranger, 2006-2012 Fusion, Lincoln Zephyr, Lincoln MKZ, 2006-2011 Mercury Milan, 2007-2010 Ford Edge, and Lincoln MKX vehicles. The driver's side air bag inflator may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.
Remedy: Ford will notify owners, and dealers will replace the driver-side airbag inflator or module with an alternate one, free of charge. Owner notification letters were mailed on April 9, 2021 for the passenger side, and November 14, 2022 for the driver side. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S12.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 21E013000
2021-02-16 · EA15001
Ford Motor Company (Ford) is recalling certain air bag inflator and/or module replacement service parts that may have been used as part of a collision repair. The parts include certain driver-side air bag inflators and/or modules, designed to fit 2005-2014 Ford Mustang and Mustang GT500. It also includes certain passenger-side air bag inflators and/or modules designed to fit 2005-2014 Ford Mustang, 2010-2012 Lincoln MKZ, 2010-2012 Ford Fusion, 2010-2011 Mercury Milan, 2007-2011 Ford Ranger, and 2007-2010 Lincoln MKX vehicles. Please see Ford's recall report for the specific part numbers. These parts may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Consequence: In the event of a crash necessitating deployment of the frontal air bag, an inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Ford will notify dealers that purchased the affected parts, and dealers will provide replacement parts to purchasers, free of charge. The recall began March 18, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S05.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 19V001000
2019-01-07 · EA15001
Ford Motor Company (Ford) is recalling certain 2014 Ford Mustang vehicles sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A."
Additionally, Ford is recalling certain 2011 Ford Ranger and Mercury Milan vehicles, 2011-2012 Ford Fusion and Lincoln Zephyr/MKZ vehicles and 2011-2014 Ford Mustang vehicles sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B."
Ford is also recalling certain 2010 Ford Edge and Lincoln MKX vehicles, 2010-2011 Ford Ranger and Mercury Milan vehicles, 2010-2012 Ford Fusion and Lincoln Zephyr/MKZ vehicles, and 2010-2014 Ford Mustang vehicles sold, or ever registered, in the states of AK, CO, CT, ID, IA, ME, MA, MI, MN, MT, NH, NY, ND, OR, RI, SD, UT, VT, WA, WI, and WY or "Zone C."
These vehicles are equipped with air bag inflators assembled as part of the passenger frontal air bag modules, used as original equipment or replacement equipment (such as after a vehicle crash necessitating replacement of the original air bags), that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Owners are advised not to drive their vehicles until the repair has been performed. Ford will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began February 13, 2019. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall 19S01.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 18V775000
2018-11-01
Ford Motor Company (Ford) is recalling certain 2010 Ford Fusion, Mercury Milan and 2010-2012 Lincoln MKZ vehicles that previously received a replacement passenger air bag under recall 16V-384, 17V-024 or 18V-046. In the event of a crash requiring deployment of the passenger air bag, the bracket that secures the air bag inflator to the module housing may deform, allowing the gas that inflates the air bag to leak out.
Consequence: If the air bag does not inflate as intended, there is an increased risk of injury in the event of a crash.
Remedy: Ford will notify owners, and dealers will replace the passenger air bag module, free of charge. The recall began November 21, 2018. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 18S34.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 16V384000
2016-05-31 · EA15001
Ford Motor Company (Ford) is recalling certain model year 2007-2011 Ford Ranger vehicles, 2006-2011 Ford Fusion, Mercury Milan and Lincoln Zephyr/MKZ vehicles, 2007-2010 Ford Edge, Lincoln MKX vehicles, 2005-2006 Ford GT vehicles, and 2005-2011 Ford Mustang vehicles originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A."
Additionally, unless included in "Zone A" above, Ford is recalling certain model year 2007-2008 Ford Ranger, Edge and Lincoln MKX vehicles, 2006-2008 Ford Fusion, Mercury Milan and Lincoln Zephyr/MKZ vehicles, 2005-2006 Ford GT vehicles and 2005-2008 Ford Mustang vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B."
Any vehicle not included in "Zone A", or "Zone B" is not included in the safety recall.
These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.
Consequence: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
Remedy: Owners are advised not to drive their vehicles until the repair has been performed. Ford will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. Ford mailed interim letters informing owners that parts are not yet available on July 15, 2016. Owners will receive a second notice when remedy parts become available. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 19S01.
STEERING:ELECTRIC POWER ASSIST SYSTEM · 15V340000
2015-06-02 · PE14030
Ford Motor Company (Ford) is recalling certain model year 2011-2012 Ford Fusion vehicles without a 3.5L engine and Lincoln MKZ hybrid electric vehicles, 2011 Mercury Milan vehicles, 2011-2012 Ford Taurus, Ford Flex, Lincoln MKS, and Lincoln MKT vehicles equipped with a 3.5L GTDI engine and 2013 Ford Taurus, Ford Flex, Lincoln MKS, and Lincoln MKT vehicles equipped with any available engine. The affected vehicles have electric power steering assist systems that may shut down as a result of a steering motor sensor fault.
Consequence: If the vehicle experiences a loss of power steering assist, extra steering effort will be required at lower speeds, increasing the risk of a vehicle crash.
Remedy: Ford will notify owners, and dealers will check the Power Steering Control Module (PSCM) for Diagnostic Trouble Codes (DTC). If dealers find any loss of steering assist DTCs, the steering gear will be replaced, free of charge. If, no codes are found during the PSCM inspection, the PSCM software will be updated, free of charge. The recall began on July 21, 2015. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 15S18.
EQUIPMENT · 14E028000
2014-05-29 · EA12009
Ford Motor Company (Ford) is recalling certain all weather driver side accessory floor mats sold for use in model year 2006-2011 Ford Fusion and Mercury Milan, 2006 Lincoln Zephyr, and 2007-2011 Lincoln MKZ vehicles manufactured November 9, 2007, through October 31, 2010. The affected floor mats may move and possibly interfere with the accelerator pedal.
Consequence: The floor mat could shift such that it could interfere with the accelerator pedal, preventing its return to an idle position, which could result in unintended vehicle speeds, increasing the risk of a crash.
Remedy: Ford will notify owners, and dealers will install new replacement mats, free of charge. The recall began in July 2014. Owners may contact Ford's customer service at 1-800-392-3673. Ford's number for this recall is 14S07. NOTE: Vehicles built after October 31, 2010, while potentially equipped with the same floor mats, are equipped with a Brake Over Accelerator (BOA) feature that prevents simultaneous accelerator and brake application, allowing the vehicle to be safely stopped by pressing firmly and steadily on the brake pedal.
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