SERVICE INFORMATION Replacement 5-speed rear wheel drive Automatic Transmission (A/T) assemblies and replacement control valves (valve bodies) now come with blank Transmission Control Modules (TCMs). Blank TCMs come without software and must be programmed (not reprogrammed) and then configured after they are installed. When ordering a replacement A/T or control valve, use the Nissan electronic parts information systems to obtain the correct software program part number See this bulletin for further detail.
full bulletin at NHTSA ↗2007 Nissan Titan powertrain problems
moderate 60 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
When does it fail?
Of the 60 powertrain complaints filed for the 2007 Nissan Titan, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
How fast does it fail?
Cumulative share of the 15 mileage-bearing powertrain complaints filed against the 2007 Nissan Titan by each odometer reading. Median failure: 60,000 mi.
Curve based on owner-reported odometer mileage at the time of complaint. Reflects when owners filed, not when symptoms first appeared. Maintenance habits and driving conditions shift the curve.
Powertrain accounts for 43% of every owner complaint on file for this vehicle — the dominant problem area across 8 categories tracked.
Owners have filed 60 powertrain complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
SERVICE INFORMATION When diagnosing possible power steering gear (rack and pinion steering rack, or steering rack) leak issues, it may appear the steering rack is leaking when actually, it?s not. Use this service bulletin to help make a more accurate diagnosis of the steering rack. See this bulletin for further detail.
full bulletin at NHTSA ↗SERVICE INFORMATION If a customer describes lack of power or poor acceleration, perform the following checks before attempting any repair: * Check for stored DTCs. * Check if the driver is resting their left foot on the brake pedal while accelerating. Advise the customer not to rest their foot on the brake while accelerating. * Use CONSULT-III plus in Engine Data Monitor to check operation of the brake lamp circuit signal. Monitor the brake switch during the incident; it should be "OFF". Please see this bulletn for further details.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2007 Nissan Titan has a well-documented history of rear axle and differential failures that Nissan has not addressed with a recall. The most frequent complaint is premature rear axle shaft seal failure. Both driver and passenger side seals leak differential fluid onto the rear brakes and wheels, often repeatedly. Owners report first seal failures at 29,500 miles and continued failures at 60,000–105,000+ miles, sometimes recurring every 35,000–40,000 miles. Even after seal or axle replacement, the problem recurs within months. Nissan covers the first occurrence under powertrain warranty but denies coverage once warranty expires, citing a technical bulletin that exists but offers no permanent fix.
More severe than seal leakage are complete differential failures. Owners report the differential locking up suddenly during normal highway driving, merging, or towing, with little warning beyond a pop or clunk. One owner lost the rear end while towing an 18-foot boat in an intersection; another while merging onto a freeway. At least one saw the internal carrier pin break, allowing the spider gear shaft to slide inside the housing and jam the gears. Broken ring gear teeth are common findings.
Separate from these issues, a transmission internal cooler failure allows antifreeze to enter and destroy the transmission around 5,000 miles after service. Nissan runs a campaign for other truck models with this problem but excludes Titan and Armada owners despite confirmed occurrences.
Owners widely reference internet forums where the issue appears prevalent and cite the lack of recall as a safety failure.
Same Nissan Titan powertrain reports on nearby years: 2005 · 2006 · 2008
Failure modes owners describe
Rear axle shaft seals — premature leakage
Both driver and passenger side rear axle shaft seals fail repeatedly, allowing differential fluid to leak onto rear brakes and wheels. Owners report multiple seal replacements within 20,000–40,000-mile intervals. The seal failures occur across a wide mileage range (as early as 29,500 miles, continuing through 105,000+ miles) with no single clear cause cited by dealers.
When: Failures documented between 29,500 and 105,000+ miles; some recur every 35,000–40,000 miles after previous repair
Symptoms owners cite: Fluid leak on rear wheel and brake area; Wheel rim and brakes soaked with differential fluid or grease; Burning smell from brakes when fluid reaches rotors; Reduced braking ability or longer stopping distance; Brake component damage from prolonged exposure to fluid
Repairs/costs cited: Seal replacement alone often fails within months; some owners replaced entire axle shaft assemblies at cost exceeding $1,000. One dealer confirmed TSB exists; another reported customer paid ~$2,000 out of warranty.
Recalls/TSBs owners mention: Nissan covers initial failures under powertrain warranty but denies coverage once warranty expires. A technical bulletin exists for 2004–2007 Titans. Nissan refused recall despite corporate investigation on at least one case.
Rear differential bearing and seal assembly — recurring failure
Axle bearing and seal assemblies fail prematurely, triggering slip and brake warning lights. Owners report the same failure occurring two or three times on the same vehicle, each time requiring replacement of the entire bearing and seal assembly.
When: First repairs at ~34,600–35,000 miles; second repairs at ~58,000–79,000 miles; third failures at ~75,000–115,000 miles
Symptoms owners cite: Slip light and brake light illuminated continuously; Oil leak from rear axle; Repeated warning light activation after repair
Repairs/costs cited: Full bearing and seal assembly replacement recommended after second occurrence; later failures require full rear differential replacement (~$3,000–$5,000).
Recalls/TSBs owners mention: Covered under warranty for first two occurrences; Nissan refused warranty coverage and full replacement once out of warranty despite recurring design defect. Corporate investigation resulted in no assistance.
Rear differential ventilation failure — overheating and internal corrosion
Poor ventilation design in the rear differential housing allows moisture to accumulate inside, causing overheating during repeated thermal cycles. This degradation weakens bearings, seals, and internal gears over time. One owner installed an aftermarket breather tube but seals continued leaking within months.
When: Becomes evident over time; contributes to seal failures and bearing degradation reported at 34,000–115,000 miles
Symptoms owners cite: Moisture and corrosion buildup inside differential housing; Seal and bearing premature wear; Continued leaking even after seal replacement or breather installation
Repairs/costs cited: One owner installed aftermarket breather tube; seal failure recurred within months. No manufacturer-provided design correction mentioned.
Rear differential internal gear failure — carrier pin shear and lock-up risk
The differential open carrier spider gear shaft pin and small bolt (8 mm) break, causing the pin to slide back and forth inside the differential housing. This can jam gears instantly or gradually fracture them, risking sudden lock-up at highway speeds. Internal gear teeth fracture as a result.
When: Occurs unexpectedly with no warning; one reported at approximately 85-mile daily commute before noticed condition developed
Symptoms owners cite: Faint clunking or popping noise from rear end; Fluid leak on wheels and underneath truck; Grinding or intermittent thumping from rear; Ring gear and pinion gear damage; Cross-shaft bent or broken
Repairs/costs cited: Requires complete new axle and differential assembly or full carrier and bearing/seal replacement (~$3,000–$5,000). Nissan dealer could not source parts; reported as obsolete.
Rear differential catastrophic mechanical failure — lock-up during operation
The rear differential locks up completely during normal driving or towing, preventing wheel rotation and creating severe safety risk. Failures occur with minimal warning or with only brief preliminary noise. One owner lost rear end while towing an 18-foot boat in an intersection; another while merging onto freeway. Internal gear damage and broken teeth are typical findings.
When: Occurs at various mileages: one at 42,828 miles, another at ~60,000 miles during 4WD operation on snow, others during normal highway driving or merging
Symptoms owners cite: Loud thump, pop, or bang from rear end; Clunking or thunking sound that increases or decreases with speed; Sudden loss of power to drive wheels; Grinding noise when differential seizes; Broken ring gear teeth visible after draining fluid
Repairs/costs cited: Complete rear axle assembly replacement required. Tires often ruined from lock-up. Repair costs $3,000–$5,000+. Some denied under goodwill by dealer.
Recalls/TSBs owners mention: At least one warranty replacement confirmed at 42,828 miles. One denied on goodwill basis. No systematic recall mentioned.
Front differential failure and axle detachment (4WD models)
Front differential fails under normal operating conditions. On at least one vehicle, the front axle became unclipped from the transfer case without any reported abuse or impact, causing loss of 4WD and rear wheel spin on uphill snowy road.
When: Reported in 2004–2007 model range
Symptoms owners cite: Loss of 4WD during operation; Rear wheel spin when 4WD should be engaged; Axle detachment from transfer case
Repairs/costs cited: Axle removal and reinstallation or reassembly required.
Recalls/TSBs owners mention: Manufacturer refused to cover; described by owner as factory defect.
Transmission internal cooler failure — antifreeze contamination
The internal transmission-to-radiator cooler fails, allowing antifreeze to enter the transmission and destroy internal components. This occurs shortly after transmission service. Fluid evidence includes burned smell, mixing of antifreeze and transmission fluid. Nissan service managers report this as a known issue for Frontier, Xterra, and Pathfinder; less common but present in Titans and Armadas, with no official campaign for Titan/Armada owners.
When: ~5,000 miles or less after transmission service; documented on vehicle with only 65,000 miles total
Symptoms owners cite: Transmission hesitation and stalling; Transmission fluid and antifreeze leaking under truck; Burned smell from transmission fluid; Loss of transmission function
Repairs/costs cited: Complete remanufactured transmission required (~$5,100). One independent shop (AMMCO) offered 36-month unlimited-mileage warranty on parts and labor; Nissan offered 12-month/12,000-mile warranty. External aftermarket transmission cooler also installed.
Recalls/TSBs owners mention: Nissan has a campaign for Frontier, Xterra, Pathfinder with this issue but not for Titan/Armada owners, despite shop manager confirming multiple Titan occurrences. Dealer quoted $5,100 for transmission replacement and radiator, with 12-month/12,000-mile warranty.
Driveline noise and vibration — clunking and slop in drivetrain
Excessive clunking or clicking noise heard during takeoff, gear changes, or over bumps. Vibration at highway speeds. Excessive play or slop in the driveline noted by owners and dealers. Early occurrences even reported at 1,700 miles after purchase. Entire rear axle assembly or driveshaft replacement often required.
When: Reported early as 3,500 miles and as early as 1,700 miles after purchase; recurring through vehicle lifespan
Symptoms owners cite: Loud clicking or clunking noise on takeoff in drive or reverse; Clunking over bumps or potholes; Driveline vibration at highway speeds; Excessive slop or play in drivetrain; Noise repeats after repair
Repairs/costs cited: Complete rear axle assembly replacement or entire rear axle and driveshaft replacement. Some covered under warranty at early mileages.
Recalls/TSBs owners mention: Initial inspection sometimes missed problem (one dealer said nothing was wrong with rear before later diagnosis). Warranty coverage confirmed for early failures.
Synthesized from 60 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 15 most recent
Yet another titan with leaking rear seals. If it leaks enough the brakes get covered in diff fluid and the rear end blow up. *tr
I noticed a popping in the rear end everytime I changed gears. I took it to my dealer and they ordered me a new rear end, and replaced it. *tr
Power train went needed to be replaced. Only 27,000 miles on car. Seals needed to be replaced after new power trained installed. *tr
Vehicle bought brand new and after 3500 miles continual clicking noise from drivetrain, took to dealer and had for 2 weeks and got it back and started doing it again within a day. Took back in and dealer said it was the rear differential and replaced entire rear axle at 9230 miles. *tr
The rear axle seals on my 2007 Nissan titan continue to leak gear oil. I have replaced the seals three times including purchasing and replacing the entire axle shaft, seal and spacer assembly on the third time. These were 2 axle shaft assemblies which cost me over $1000. I have also installed a breather tube on the rear axle and insured it is allowing air to get in and vent the rear axle. It's…
Rear differential axle seals are bad and leaking rear differential fluid on emergency and rear brake pads. *tr
One rear axle already leaked and we had to repair it. Now the other rear seal is leaking and we have to replace it. Also the shocks are bad. *tr
Prematurely failing inner rear axle seals causing gear oil from diff to get into rear brake calipers and rotor causing increased braking distance. Been replaced once on left and twice on right. *tr
Rear axle seal leaked on drivers side at 66,000 miles. Gear oil all over brakes which is a major safety concern. No modifications - truck is full stock. Nissan dealer database reveals this issue happened also at 29,000 miles and entire rfd was replaced under warranty for previous owner. Now happens again at 66,000 miles. I am told there is a tsb for this issue, but since vehicle is out of…
Nissan titan '07 power train:axle assembly:axle shaft:seal. *tr
Common questions
How serious is the powertrain problem on the 2007 Nissan Titan?
It's a documented issue but not catastrophic. 60 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Across the 55 complaints that reported odometer mileage, most powertrain failures cluster between 36,543 and 85,000 miles, with the median around 61,050. A quarter of owners report trouble before 36,543; a quarter make it past 85,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.