The 2014 Express is a body-on-frame workhorse van that's mechanically similar to the GMT900 platform trucks. The 4.8L/6.0L gas engines are generally durable, but transmission cooling issues and AFM (Active Fuel Management) component failures dominate the major repair list, especially on high-mileage commercial units.
Transmission Oil Cooler Line Failure and Cooler Contamination
Common · high severity
Typical onset: 80,000-150,000 mi
Symptoms: Transmission fluid in coolant or coolant in transmission (strawberry milkshake fluid), Transmission slipping or delayed engagement after contamination, Overheating transmission temp gauge readings, Coolant loss with no external leaks
Fix: Replace transmission oil cooler and lines, flush cooling system and transmission multiple times, often requires transmission rebuild if contamination went undetected. 8-12 hours labor for cooler/lines only, 18-24 hours if transmission needs rebuild.
Symptoms: Ticking or tapping noise from engine, especially on cold start, Check engine light with P0300-P0308 misfire codes or P0521 oil pressure, Lifter collapse causing valve train noise, Metal shavings in oil, loss of oil pressure
Fix: Replace AFM lifters, camshaft, and often valve springs and pushrods. Many techs recommend AFM delete kit during repair. Requires cab removal or pulling engine on some configurations. 16-22 hours labor.
Estimated cost: $3,500-5,500
Intake Manifold Gasket Leak - 4.3L V6 and 6.0L V8
Common · medium severity
Typical onset: 90,000-140,000 mi
Symptoms: Coolant leak at front or rear of intake manifold, White smoke from exhaust on startup, Rough idle or misfire when coolant enters cylinders, Coolant loss without visible external leaks
Fix: Replace intake manifold gaskets (composite gaskets fail). On 6.0L, upper and lower manifold gaskets both prone to failure. 4-6 hours labor depending on engine and accessories.
Estimated cost: $600-1,200
Fuel Pump Failure - Gas Engines
Occasional · high severity
Typical onset: 120,000-180,000 mi
Symptoms: No start or extended cranking before start, Stalling under load or at highway speeds, Fuel pump whine or buzzing from tank, Loss of power under acceleration
Fix: Drop fuel tank to replace pump assembly (31-gallon midship tank location on most). Tank often difficult due to rust and road grime on straps. 3-5 hours labor.
Estimated cost: $800-1,400
Transfer Case Encoder Motor Failure - AWD Models
Occasional · medium severity
Typical onset: 70,000-120,000 mi
Symptoms: Service 4WD light illuminated, Unable to shift into or out of 4WD, Grinding or clicking from transfer case area when attempting shift, Codes C0327, C0328 for encoder motor circuit
Fix: Replace transfer case encoder motor (shift motor). External component, relatively easy access. 1.5-2.5 hours labor.
Estimated cost: $400-700
Exhaust Manifold Bolt Breakage and Leak
Occasional · low severity
Typical onset: 100,000-160,000 mi
Symptoms: Loud ticking or exhaust leak noise on cold start, Exhaust smell in cabin or near engine bay, Visible soot or carbon buildup around manifold, Broken or missing manifold bolts visible during inspection
Fix: Remove broken manifold bolts (often requires drilling/extraction), replace with upgraded bolts and manifold gaskets. Rear bolts notorious for breaking. 4-7 hours labor depending on bolt extraction difficulty.
Estimated cost: $600-1,400
Rear Door Latch and Power Window Regulator Failure
Common · low severity
Symptoms: Rear doors won't latch or require slamming multiple times, Power windows fall into door or operate slowly, Window off track or jammed halfway, Door ajar light stays on with doors closed
Fix: Replace door latch assemblies or window regulators. Commercial use accelerates wear. Latch replacement 1-1.5 hours per door, regulator 2-3 hours per door.
Disable AFM with a tuner or Range device on 6.0L engines before lifter failure occurs—cheap insurance against $4k+ engine work
Service transmission every 50k miles with full synthetic fluid, especially on commercial/fleet use
Inspect transmission cooler lines annually for seepage at 80k+ miles—catching crossover contamination early saves the transmission
Use quality oil and change every 5k miles maximum on AFM engines; oil consumption and lifter failure directly linked to oil maintenance
Buy a low-mileage example with documented maintenance or budget $3k-5k for inevitable AFM/transmission issues on 6.0L high-mileage units—solid platform otherwise, but these two failures are expensive and common.
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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VISIBILITY:POWER WINDOW DEVICES AND CONTROLS · 18V295000
2018-05-03
General Motors LLC (GM) is recalling certain 2014-2017 Chevrolet Express and GMC Savana vehicles equipped with power windows. Liquid may leak into the driver's power window switch and cause corrosion, resulting in high electrical resistance.
Consequence: High electrical resistance can increase the risk of a fire.
Remedy: GM will notify owners, and dealers will replace the driver side window switch, free of charge. The recall began August 10, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 18155.
EQUIPMENT · 18V267000
2018-04-26
General Motors LLC (GM) is recalling certain 2009-2014 Chevrolet Silverado HD and GMC Sierra HD, 2009 GMC Topkick 5000, 6000, 7000 and 8000 Series and Isuzu F Series, and 2009-2018 Chevrolet Express, and GMC Savana vehicles, equipped with certain Plastic-Handle Fire Extinguishers or Push Button 'Pindicator' Fire Extinguishers. These extinguishers may become clogged, preventing the extinguisher from discharging as expected or requiring excessive force to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf
Consequence: In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.
Remedy: GM will notify owners, instructing them to contact Kidde to get a replacement fire extinguisher, free of charge. The recall began June 11, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020, GMC customer service at 1-800-462-8782, and Isuzu customer service at 1-866-441-9638. GM's number for this recall is 18146.
TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS · 16V184000
2016-04-01
General Motors LLC (GM) is recalling certain model year 2014-2016 Chevrolet Express and GMC Savana incomplete vehicles equipped with a 159 inch wheel base manufactured August 2, 2013, to January 30, 2016. The affected vehicles were shipped to final stage manufacturers without a tire pressure monitoring system (TPMS). As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 138, "Tire Pressure Monitoring Systems."
Consequence: Without a TPMS, the driver would not be alerted if one or more tires became under inflated. Driving with under inflated tires increases the risk of a crash.
Remedy: GM will notify owners, and dealers will install the hardware and software necessary to equip the vehicles with a TPMS, free of charge. The recall began on May 25, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 15819.
EQUIPMENT:OTHER:LABELS · 13V544000
2015-10-30
General Motors (GM) is recalling certain model year 2013-2014 Chevrolet Silverado HD, Chevrolet Express, and GMC Sierra HD vehicles, and model year 2013 GMC Savana compressed natural gas (CNG) vehicles that fail to comply with Federal Motor Vehicle Safety Standard No. 303 "Fuel System Integrity of Compressed Natural Gas Vehicles." In the affected vehicles, the text of the CNG fuel-only label is smaller than the required size, and as a result, may be less noticeable.
Consequence: Text that does not conform to the required labeling size could inhibit fuel tank inspection practices and safe refueling, increasing the risk of a fire.
Remedy: GM will notify owners and will send them a replacement label, free of charge. The recall began December 3, 2015. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 13365.
ELECTRICAL SYSTEM · 14V614000
2014-10-01
General Motors LLC (GM) is recalling certain model year 2013-2014 Cadillac CTS, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL, and 2014 Buick Enclave, Chevrolet Express, Impala, Silverado HD, Traverse, GMC Acadia, Savana, and Sierra HD vehicles. In the affected vehicles, the chassis electronic module may be internally contaminated, resulting in an electrical short.
Consequence: If the module experiences an electrical short, the vehicle could stall, increasing the risk of a crash.
Remedy: GM will notify owners, and dealers will replace the chassis electronic module, free of charge. The recall began on December 26, 2014. Owners may contact GM customer service at 1-800-521-7300 (Buick), 1-800-458-006 (Cadillac), 1-800-222-1020 (Chevrolet), and 1-800-462-8782 (GMC). GMs number for this recall is 14515.
FUEL SYSTEM, OTHER · 14V500000
2014-08-13
General Motors LLC (GM) is recalling certain model year 2011-2014 Chevrolet Express compressed natural gas (CNG)vehicles manufactured September 10, 2010, to April 28, 2014, and GMC Savana CNG vehicles manufactured May 23, 2011, to April 21, 2014. The affected vehicles may leak natural gas from the CNG high pressure regulator.
Consequence: A natural gas leak in the presence of an ignition source increases the risk of a fire or explosion.
Remedy: GM will notify owners, and dealers will replace the high pressure regulator, free of charge. The recall began February 13, 2013. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 14321.
AIR BAGS:FRONTAL · 14V117000
2014-03-17
General Motors LLC (GM) is recalling certain model year 2009-2014 Chevrolet Express and GMC Savana vans manufactured January 27, 2009, through March 7, 2014 with a gross vehicle weight rating of 10,000 pounds and less and equipped with front passenger air bags. In the affected vehicles, during a frontal impact below the air bag deployment threshold, if an unbelted front passenger's head hits the instrument panel above where the passenger air bag is located, the panel may not sufficiently absorb the impact. As such, these vehicles fail to meet the requirements of Federal Motor Vehicle Safety Standard number 201, "Occupant Protection in Interior Impact."
Consequence: In the event of a crash below the air bag deployment threshold, an unbelted front passenger seat occupant has an increased risk of injury.
Remedy: GM will notify owners, and dealers will modify the passenger instrument panel free of charge. Notices to the owners of the heavy duty vans were mailed on April 28, 2014. The recall began on May 19, 2014. Chevrolet owners may call 1-800-630-2438. GMC owners may call 1-866-996-9463. GM's number for this recall is 14082.
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