The 2007 Sierra 1500 with the 5.3L V8 is a capable workhorse, but the GMT900 platform suffers from active fuel management (AFM) failures, transmission cooler line corrosion, and occasional catastrophic engine failures tied to oil consumption and piston/ring issues.
Active Fuel Management (AFM) Lifter Failure
Common · high severity
Typical onset: 80,000-150,000 mi
Symptoms: Ticking/tapping noise from engine, especially on cold start, Check engine light with P0300-P0308 misfire codes, Rough idle and loss of power, Metal shavings in oil
Fix: AFM lifters collapse due to oil starvation; requires intake manifold removal, lifter replacement, and often camshaft replacement if lobes are damaged. 12-16 labor hours. Many shops recommend full AFM delete kit with non-AFM camshaft to prevent recurrence.
Estimated cost: $2,500-5,000
Excessive Oil Consumption and Piston Ring Failure
Occasional · high severity
Typical onset: 100,000-180,000 mi
Symptoms: Burning more than 1 quart per 1,000 miles, Blue smoke from exhaust on acceleration, Fouled spark plugs, Loss of compression
Fix: Piston rings fail or carbon-pack due to AFM cycling and PCV issues. Requires complete engine teardown, honing, new rings, and often pistons. 20-30 labor hours. Some cases need full short block or rebuild with new pistons, bearings, and machine work.
Estimated cost: $4,000-7,500
Transmission Oil Cooler Line Corrosion and Leaks
Common · medium severity
Typical onset: 90,000-140,000 mi
Symptoms: Transmission fluid puddles under vehicle, usually driver side, Low transmission fluid warning or slipping, Rust visible on steel cooler lines near radiator
Fix: Factory steel cooler lines rust through where they mount to the radiator. Replace both lines (not just the leaking one). 2-3 labor hours. Aftermarket stainless or rubber lines available.
Estimated cost: $400-700
4L60E/4L65E Transmission 3-4 Clutch Pack Failure
Occasional · high severity
Typical onset: 120,000-180,000 mi
Symptoms: Slipping or flaring between 3rd and 4th gear, No 4th gear or overdrive, Transmission slips under load, Burnt transmission fluid smell
Fix: 3-4 clutch pack wears out, especially if fluid not changed regularly. Requires transmission removal, teardown, clutch pack replacement, and often torque converter. 8-12 labor hours for rebuild.
Estimated cost: $1,800-3,200
Instrument Cluster Stepper Motor Failure
Common · low severity
Typical onset: 60,000-120,000 mi
Symptoms: Speedometer, fuel gauge, or other gauges stop working or bounce erratically, Gauges sweep to max on startup then drop to zero, Intermittent gauge operation
Fix: Stepper motors behind the gauge needles fail. Cluster must be removed and sent out for stepper motor replacement or DIY solder job. 1.5-2 labor hours for R&R; repair/rebuild runs separately.
Estimated cost: $250-500
Intake Manifold Gasket Leaks (Coolant)
Occasional · medium severity
Typical onset: 100,000-160,000 mi
Symptoms: Coolant loss with no visible external leak, White smoke from exhaust on cold start, Rough idle or misfire, Coolant in oil (milky dipstick in severe cases)
Fix: Intake manifold gaskets degrade and allow coolant into cylinders or valleys. Requires manifold removal, gasket set, and sometimes new manifold if warped. 6-8 labor hours.
Estimated cost: $800-1,400
Front Differential Actuator Failure (4WD models)
Occasional · medium severity
Typical onset: 70,000-130,000 mi
Symptoms: Service 4WD light illuminated, 4WD will not engage, Grinding or clunking noise from front axle when trying to engage 4WD
Fix: Electric actuator on front differential fails; internal gears strip or motor burns out. Replace actuator. 1.5-2 labor hours.
Estimated cost: $400-700
Owner tips
Disable AFM with a Range Technology device or tune, or run premium fuel and change oil every 3,000-4,000 miles to reduce lifter failure risk.
Service transmission fluid every 50,000 miles — the 4L60E doesn't tolerate neglect.
Inspect transmission cooler lines annually for rust; replace preemptively if surface rust visible.
Monitor oil consumption closely; if burning more than 1 quart per 2,000 miles, budget for engine work.
Use AC Delco or Dexos-approved oil; cheap oil accelerates AFM problems.
Solid truck if AFM hasn't grenaded yet and transmission is healthy, but budget $3,000-5,000 for eventual AFM/engine work; pass if it's already ticking or burning oil.
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.
Fitment notes: Side post terminals standard on GM trucks
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Control Modules — 2007 GMC Sierra 1500
Every control module on the 2007 GMC Sierra 1500 — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Body Control Module (BCM)3.0 hr R&Rdealer / factory tool +1.2 hr▸ programming details
📍 Behind instrument cluster, center of dash above steering column
📍 4L60E/4L80E: inside cabin, driver side behind kick panel. 6L80E: integrated with valve body inside transmission (TEHCM). Allison 1000: external on driver side of transmission case
🔧 Tech 2 with TIS2000/SPS
⚠️ 6L80E uses TEHCM (Transmission Electro-Hydraulic Control Module) requiring transmission pan removal; adaptive relearn required
📍 Integrated within BCM and ignition lock cylinder sensor
🔧 Tech 2 with TIS2000/SPS
⚠️ Passlock III system; 10-minute relearn procedure or Tech 2 required after BCM/PCM replacement; remote start models have additional security
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
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.
WHEELS:HUB · 07E106000
2007-12-17
CERTAIN FEDERAL-MOGUL REPLACEMENT WHEEL HUB ASSEMBLIES WITH THE BRAND NAMES: NATIONAL, CARQUEST P/NOS. 515020, 515021, 515025, 515053, 515054, 515059, AND 515060, SHIPPED BETWEEN JANUARY 23, 2006, AND DECEMBER 20, 2007, SOLD FOR LIGHT DUTY AND MEDIUM DUTY TRUCKS. THE INBOARD RETENTION NUT USED TO MAINTAIN HUB BEARING ASSEMBLY CAN LOOSEN RESULTING IN AN ABS LIGHT INDICATION, NOISE, AND/OR WHEEL SEPARATION.
Consequence: WHEEL SEPARATION CAN RESULT IN A VEHICLE CRASH.
Remedy: FEDERAL-MOGUL WILL NOTIFY CUSTOMERS AND WILL REPLACE THE HUB ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON FEBRUARY 7, 2008. OWNERS CAN CONTACT FEDERAL-MOGUL TOLL-FREE AT 877-489-6659.
Vehicle Info — 2007 GMC Sierra 1500
Performance
Horsepower
315hp
Torque
338lb-ft
Wiper blades
GMT900 platform began mid-2007 as 2007.5 model. Early 2007 uses GMT800 specs (22/22). New body style may use different sizes.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2007 GMC Sierra 1500 5.3L V8 and can vary by trim.
🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years.