The 2011 Traverse with the 3.6L V6 is a spacious family hauler undermined by catastrophic timing chain and transmission cooler failures. When these issues hit, repair costs often exceed the vehicle's value, making high-mileage examples a gamble.
Timing Chain Stretch and Premature Engine Failure
Common · high severity
Typical onset: 80,000-150,000 mi
Symptoms: rattling noise on cold starts lasting 5-15 seconds, check engine light with P0008-P0011 cam position codes, rough idle and reduced power, catastrophic failure: bent valves, scored cylinder walls, metal debris in oil
Fix: Early detection allows timing chain replacement (12-16 hours labor), but most owners ignore the rattle until pistons contact valves. At that point, you're looking at engine rebuild with new pistons, rings, bearings, and often complete cylinder head work or shortblock replacement. Many shops quote full remanufactured engine installation instead.
Estimated cost: $4,500-8,500
Transmission Oil Cooler Line Failure and Internal Damage
Common · high severity
Typical onset: 70,000-130,000 mi
Symptoms: transmission fluid in coolant or vice versa (strawberry milkshake in overflow), transmission slipping or delayed engagement, overheating transmission, metal shavings in fluid
Fix: The cooler lines corrode internally and rupture, allowing cross-contamination between cooling and transmission systems. Requires transmission removal, full flush of both systems, new cooler lines, radiator flush or replacement, and often internal transmission rebuild due to coolant damage to clutches and friction material (18-24 hours total). Some owners catch it early with just lines and flushes (8-10 hours).
Estimated cost: $2,800-5,500
Transmission Range Sensor and Shifting Issues
Occasional · medium severity
Typical onset: 60,000-110,000 mi
Symptoms: intermittent failure to start (no crank, won't recognize Park), harsh or delayed shifts, check engine light with P0708, P0700 codes, dashboard gear indicator incorrect or blank
Fix: The internal mode switch (range sensor) on the 6T75 transmission fails, causing no-start conditions and erratic shifting. Requires transmission pan removal and valve body access to replace sensor (4-6 hours). Often discovered during other transmission work.
Estimated cost: $600-1,200
Engine Mount Failure (Torque Strut and Side Mounts)
Common · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: excessive engine movement visible under hood during acceleration, clunking when shifting from Park to Drive, vibration at idle, especially with AC on, engine contacts other components under hard acceleration
Fix: The hydraulic torque strut mount and side transmission mount deteriorate, causing excessive powertrain movement. Requires upper and lower engine support for safe replacement (3-5 hours for both). DIY-friendly but proper support equipment essential.
Estimated cost: $500-900
Power Steering Hose Leaks and Pump Failure
Occasional · medium severity
Typical onset: 80,000-140,000 mi
Symptoms: power steering fluid puddles under vehicle, whining noise when turning at low speeds, heavy steering effort intermittently or constantly, fluid spraying onto exhaust (burning smell)
Fix: High-pressure hose develops leaks at crimp fittings or pump seals fail. Hose replacement is straightforward (2-3 hours), but pump failure requires more involved work (4-5 hours) and system flush. Leaking fluid often damages serpentine belt and creates fire hazard on hot exhaust.
Estimated cost: $400-1,100
Liftgate Strut and Latch Mechanism Failure
Common · low severity
Typical onset: 50,000-120,000 mi
Symptoms: liftgate drops when opened (weak struts), liftgate won't latch or stay closed, clicking or grinding when power liftgate operates, latch mechanism freezes in winter
Fix: Struts lose pressure and latch assemblies wear internally. Strut replacement is simple (1 hour), but latch mechanism requires interior panel removal and recalibration if power-equipped (2-3 hours). Subject to recall for latch, but many still fail post-campaign.
Estimated cost: $250-700
EVAP System and Purge Valve Failures
Occasional · low severity
Typical onset: 70,000-130,000 mi
Symptoms: check engine light with P0442, P0455, P0449 codes, difficult fuel tank filling (nozzle clicks off repeatedly), fuel smell near rear of vehicle, rough idle after refueling
Fix: Purge valve sticks open/closed or vent valve fails, causing evaporative emission codes and fueling issues. Purge valve replacement is easy (1 hour), but full EVAP diagnosis including smoke test may be needed for elusive leaks (2-3 hours diagnostic time). Vent valve located near fuel tank requires raising vehicle.
Estimated cost: $200-600
Owner tips
Check timing chain condition at every oil change after 70k miles—listen for cold-start rattle and scope cylinder walls if noise present
Inspect transmission cooler lines and coolant overflow religiously; catch cross-contamination before it destroys the transmission
Use full synthetic oil (Dexos1 Gen 2) and change at 5,000 miles maximum to slow timing chain wear
Budget $1,500/year for unexpected repairs after 100k miles—these vehicles rarely make it past 150k without major powertrain work
Avoid unless under 60,000 miles with documented timing chain replacement and verified clean transmission cooler history—otherwise, you're financing someone else's deferred disaster.
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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General Motors, LLC (GM) is recalling certain 2010-2015, 2017 Buick Enclave, 2010-2019 Chevrolet Traverse, and 2011-2016 GMC Acadia vehicles. The side curtain air bags may not be properly attached.
Consequence: Unsecured side curtain air bags may not perform as intended, increasing the risk of injury.
Remedy: GM will notify owners, and dealers will inspect and, if necessary, realign or replace the weld nuts, free of charge. Owner notification letters were mailed on May 24, 2021. Owners may contact Buick customer service at 1-800-521-7300, Chevrolet customer service at 1-800-222-1020, and GMC customer service at 1-800-462-8782. GM's number for this recall is N202321200.
STRUCTURE:BODY:HATCHBACK/LIFTGATE · 15V415000
2015-06-30
General Motors LLC (GM) is recalling certain model year 2008-2012 Buick Enclave vehicles manufactured January 3, 2007, to February 29, 2012, 2009-2012 Chevrolet Traverse vehicles manufactured July 6, 2008, to March 9, 2012, 2007-2012 GMC Acadia vehicles manufactured September 15, 2006, to February 29, 2012, and 2007-2010 Saturn Outlook vehicles manufactured August 17, 2006, to March 18, 2010. The affected vehicles, equipped with the power liftgate option, have gas struts that hold the power liftgate up when open. These struts may prematurely wear and the open liftgate may suddenly fall.
Consequence: If the open liftgate unexpectedly falls, it may strike a person, increasing their risk of injury.
Remedy: GM will notify owners, and dealers will update the software for the power liftgate actuator motor control unit so that the motor will prevent the rapid closing of the lift gate, free of charge. The recall began on November 15, 2016. Owners may contact Buick customer service at 1-800-521-7300, Chevrolet customer service at 1-800-222-1020, GMC customer service at 1-800-462-8782, and Saturn customer service at 1-800-553-6000. GM's number for this recall is 15240.
SEAT BELTS · 14V266000
2014-05-20
General Motors is recalling certain model year 2009-2014 Buick Enclave vehicles manufactured April 14, 2008, through May 14, 2014, Chevrolet Traverse vehicles manufactured June 6, 2008, through May 14, 2014, and GMC Acadia vehicles manufactured April 9, 2008, through May 14, 2014, and 2009-2010 Saturn Outlook vehicles manufactured April 14, 2008, through March 18, 2010. In the affected vehicles, the flexible steel cable that connects the seatbelt to the front outboard seating positions may fatigue and separate over time.
Consequence: If the steel cable becomes fatigued and separates, the seatbelt may not properly restrain the seat occupant increasing the risk of an injury in a crash.
Remedy: General Motors will notify owners, and dealers will inspect and, if necessary, repair and replace the lap pretensioner, free of charge. Parts are not currently available. An interim notice will be mailed to owners in July 2014. A second notice will be mailed to owners once parts become available. The recall for the 2009-2010 model years began on July 11, 2014. The interim letter for the 2011-2014 model years were distributed on July 11, 2014. Owners may contact General Motors at 1-800-222-1020 (Chevrolet), 1-800-521-7300 (Buick), 1-800-462-8782 (GMC), 1-800-553-6000 (Saturn). General Motors recall number for this campaign is 14187.
AIR BAGS:SIDE/WINDOW · 14V118000
2014-03-17
General Motors LLC (GM) is recalling certain model year 2008-2013 Buick Enclave and GMC Acadia and 2009-2013 Chevrolet Traverse and 2008-2010 Saturn Outlook vehicles. In the affected vehicles, increased resistance in the driver and passenger seat mounted side impact air bag (SIAB) wiring harnesses may result in the SIAB and seat belt pretensioners not deploying in the event of a crash.
Consequence: Failure of the side impact air bags and seat belt pretensioners to deploy in a crash increase the risk of injury to the driver and front seat occupant.
Remedy: GM will notify owners, and dealers will replace the affected harness connections with soldered connections, free of charge. The recall began on June 16, 2014. Buick owners may contact the owner center at 1-800-521-7300, Chevrolet owners at 1-866-694-6546, Saturn at 1-800-553-6000, and GMC owners at 1-866-996-9463. GM's number for this recall is 14030. Note: Vehicles repaired as part of Customer Satisfaction Campaign 10085 and special coverage 10335 have already had the subject condition repaired and therefore are not included in the safety recall.
GENERAL MOTORS (GM) IS RECALLING CERTAIN MODEL YEAR 2011-2012 CHEVROLET TRAVERSE, BUICK ENCLAVE, AND GMC ACADIA VEHICLES CURRENTLY REGISTERED IN ALASKA, COLORADO, CONNECTICUT, DELAWARE, IDAHO, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MONTANA, NEBRASKA, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, NORTH DAKOTA, OHIO, PENNSYLVANIA, RHODE ISLAND, SOUTH DAKOTA, UTAH, VERMONT, WEST VIRGINIA, WISCONSIN, WYOMING AND THE DISTRICT OF COLUMBIA. SNOW OR ICE BUILDUP ON THE WINDSHIELD OR ON THE WIPER MAY RESTRICT THE MOVEMENT OF THE WIPER ARM, CAUSING THE WIPER ARM TO LOOSEN AND CAUSE THE WIPER TO BECOME INOPERATIVE.
Consequence: IF THIS OCCURS, DRIVER VISIBILITY COULD BE REDUCED, INCREASING THE RISK OF A CRASH.
Remedy: GM WILL NOTIFY OWNERS, AND DEALERS WILL TIGHTEN THE WIPER ARM NUTS, FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 20, 2012.
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