The 2007 Yukon XL 2500 with the 6.0L Vortec is a workhorse GMT800 platform that's generally reliable for towing and heavy duty use, but suffers from catastrophic engine failure due to Active Fuel Management (AFM) system defects and transmission cooler line failures that can destroy the transmission.
AFM Lifter Collapse and Catastrophic Engine Failure
Common · high severity
Typical onset: 80,000-150,000 mi
Symptoms: Ticking or tapping noise from engine, especially on cold start, Check engine light with P0300-series misfire codes or P0521 oil pressure, Loss of power under load, Metal shavings in oil, rapid oil consumption
Fix: AFM (Displacement on Demand) lifters collapse, wiping cam lobes and sending metal through the engine. Requires complete engine teardown: AFM lifter replacement, camshaft, all lifters, pushrods, sometimes rockers. In severe cases needs full shortblock with pistons, rings, bearings. 18-25 hours labor for shortblock R&R plus machine work.
Estimated cost: $4,500-8,500
Transmission Oil Cooler Line Failure
Common · high severity
Typical onset: 100,000-180,000 mi
Symptoms: Pink milkshake in coolant overflow tank (trans fluid in coolant), Transmission slipping or shuddering after coolant contamination, Low coolant level with no external leaks, Transmission overheating warnings
Fix: Factory crimped cooler lines inside radiator fail, allowing coolant and ATF to mix. Requires radiator replacement, cooler line set, full transmission flush or rebuild if contamination occurred. If caught early: 4-5 hours for radiator/lines/flush. If trans is damaged: add 12-16 hours for 4L80E rebuild.
Estimated cost: $800-1,200 (caught early), $3,200-4,800 (with trans rebuild)
Crankshaft Position Sensor Failure
Occasional · high severity
Typical onset: 90,000-140,000 mi
Symptoms: No-start condition, cranks but won't fire, Intermittent stalling while driving, Check engine light with P0336 or P0335 codes, Tachometer drops to zero before stalling
Fix: Sensor located behind starter on bellhousing, exposed to heat. Requires starter removal for access. 1.5-2 hours labor.
Estimated cost: $250-400
Fuel Pump and Fuel Filter Assembly Failure
Occasional · medium severity
Typical onset: 120,000-180,000 mi
Symptoms: Hard starting, extended cranking, Sputtering or hesitation under acceleration, Stalling when fuel level below 1/4 tank, Loss of power uphill or under load
Fix: In-tank pump assembly includes integral filter that cannot be serviced separately. Requires dropping 42-gallon tank. 2.5-3 hours labor.
Estimated cost: $650-950
Transmission Mount Failure
Common · low severity
Typical onset: 80,000-130,000 mi
Symptoms: Clunk when shifting from park to drive or reverse, Vibration at idle in gear, Excessive driveline movement visible during acceleration, Harsh engagement into gear
Fix: Rubber mount deteriorates, especially on tow-duty trucks. Replace mount and crossmember bushings. 1-1.5 hours labor.
Estimated cost: $220-380
EVAP Vent Valve Solenoid Failure
Occasional · low severity
Typical onset: 70,000-120,000 mi
Symptoms: Check engine light with P0449 or P0446 codes, Fuel tank pressure issues (hard to fill, vacuum hiss when opening cap), Failed emissions testing
Fix: Vent valve solenoid mounted on top of fuel tank fails due to corrosion or debris. Requires tank drop or working through frame access. 2-2.5 hours labor.
Estimated cost: $350-550
Owner tips
Disable AFM with a Range Technology AFM disabler or tune to prevent lifter failure—best $150 you'll spend
Check coolant and transmission fluid religiously for cross-contamination; catch the radiator issue before it kills the trans
Use quality 5W-30 oil and change every 5,000 miles max if AFM is still active
Install auxiliary transmission cooler if towing regularly—keeps 4L80E happy and extends life
Buy one only if AFM has already been deleted or lifters recently replaced; otherwise budget $5k-8k for inevitable engine work, but the chassis and 4L80E transmission are nearly bulletproof if you dodge the cooler line grenade.
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:PASSENGER SIDE:INFLATOR MODULE · 21V050000
2021-02-05 · EA15001
General Motors, LLC (GM) is recalling certain 2007-2011 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, Yukon XL, and 2009-2011 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500 and Sierra 3500 vehicles originally 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, GM is recalling certain 2007-2008 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, Yukon XL vehicles originally 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."
These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators 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: GM will notify owners, and dealers will replace the front passenger air bag inflator with an alternate one, free of charge. Interim letters notifying owners of the safety risk were mailed on February 22, 2021. Second notification letters will be mailed once the remedy is available. Owner notification letters were mailed on March 1, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; and GMC customer service at 1-800-462-8782. GM's number for this recall is N212328760.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 21V052000
2021-02-05 · EA15001
General Motors, LLC (GM) is recalling certain 2009 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 1500, Sierra 2500, Sierra 3500, Yukon, and Yukon XL vehicles originally 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."
Additionally, GM is recalling certain 2007-2008 Cadillac Escalade, Escalade ESV, and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C."
These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators 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: GM will notify owners, and dealers will replace the front passenger air bag inflator with an alternate one, free of charge. Interim letters notifying owners of the safety risk were mailed on February 23, 2021. Second notification letters will be mailed once the remedy is available. Owner notification letters were mailed on September 20, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020, Cadillac customer service at 1-800-458-8006, and GMC customer service at 1-800-462-8782. GM's number for this recall is N212328780.
ELECTRICAL SYSTEM · 10V240000
2010-06-04
GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL; SATURN OUTLOOK; AND MODEL YEAR 2009 CHEVROLET TRAVERSE VEHICLES EQUIPPED WITH A HEATED WASHER FLUID SYSTEM (HWFS). A RECALL WAS IMPLEMENTED IN 2008 TO ADD A FUSE TO THE CONTROL CIRCUIT HARNESS TO ADDRESS THE POTENTIAL CONSEQUENCES OF A PRINTED CIRCUIT BOARD (PCB) ELECTRICAL SHORT. HOWEVER, THERE HAVE BEEN NEW REPORTS OF THERMAL INCIDENTS ON HWFS MODULES AFTER THIS IMPROVEMENT WAS INSTALLED. THESE INCIDENTS RESULTED FROM A NEW FAILURE MODE ATTRIBUTED TO THE DEVICE'S THERMAL PROTECTION FEATURE. THE SIGNIFICANCE VARIES FROM MINOR DISTORTION TO CONSIDERABLE MELTING OF THE PLASTIC AROUND THE HWFS FLUID CHAMBER.
Consequence: IT IS POSSIBLE FOR THE HEATED WASHER MODULE TO IGNITE AND A FIRE MAY OCCUR.
Remedy: DEALERS WILL PERMANENTLY DISABLE AND REMOVE THE HEATED WASHER FLUID MODULE. AN UPDATED PAGE FOR THE OWNER MANUAL WILL BE PROVIDED AND INSERTED IN THE OWNER MANUAL TO DOCUMENT THAT THE FEATURE HAS BEEN PERMANENTLY DISABLED AND REMOVED FROM THE VEHICLE. THE SAFETY RECALL BEGAN ON JUNE 11, 2010. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, SATURN AT 1-800-972-8876, GMC AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493 OR AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.
ELECTRICAL SYSTEM · 08V441000
2008-08-28 · EA08010
GM IS RECALLING 857,735 MY 2006-2008 BUICK LUCERNE; CADILLAC DTS; HUMMER H2; MY 2007-2008 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL, SATURN OUTLOOK; AND MY 2008 BUICK ENCLAVE VEHICLES EQUIPPED WITH A HEATED WIPER WASHER FLUID SYSTEM. A SHORT CIRCUIT ON THE PRINTED CIRCUIT BOARD FOR THE WASHER FLUID HEATER MAY OVERHEAT THE CONTROL-CIRCUIT GROUND WIRE.
Consequence: THIS MAY CAUSE OTHER ELECTRICAL FEATURES TO MALFUNCTION, CREATE AN ODOR, OR CAUSE SMOKE INCREASING THE RISK OF A FIRE.
Remedy: DEALERS WILL INSTALL A WIRE HARNESS WITH AN IN-LINE FUSE FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 12, 2008. OWNERS MAY CONTACT BUICK AT 1-866-608-8080; CADILLAC AT 1-800-982-2339 OR HTTP://WWW.CADILLAC.COM; CHEVROLET AT 1-800-630-2438; SATURN AT 1-800-972-8876 OR HTTP://WWW.SATURN.COM, GMC AT 1-866-996-9436; OR HUMMER AT 1-800-732-5493; OR THROUGH THEIR WEBSITE AT <A HREF=HTTP://WWW.GMOWNERCENTER.COM>HTTP://WWW.GMOWNERCENTER.COM</A> .
Performance
Horsepower
352hp
Torque
382lb-ft
0–60 mph
8.7sec
Quarter mile
16.6sec
Top speed
105mph
Capability & size
Towing capacity
9,600lb
Payload
1,693lb
Curb weight
6,000lb
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2007 GMC Yukon XL 2500 6.0L V8 Vortec and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.