The 2013 Frontier is generally durable, but the 4.0L VQ40DE engine suffers from a catastrophic timing chain/coolant leak defect (SMOD on earlier years evolved into this), and transmission cooler failures remain a concern. The 2.5L four-cylinder is more reliable but underpowered for truck duties.
VQ40DE Timing Chain Guide Failure Leading to Coolant Intrusion
Common · high severity
Typical onset: 80,000-150,000 mi
Symptoms: Rattling on cold start that disappears after warm-up (early stage), Milky oil or coolant loss without external leaks, Check engine light with timing correlation codes, Catastrophic engine failure if chain jumps timing
Fix: Timing chain guides wear prematurely, allowing chain slap that can crack the timing cover internally where coolant passages run. Repair requires front engine disassembly, new guides, tensioners, chains, and often timing cover replacement. If coolant mixed with oil, expect full teardown for bearing inspection. 18-25 labor hours for complete job with cover replacement.
Estimated cost: $3,500-6,500
Transmission Oil Cooler Line Corrosion and Leaks
Common · medium severity
Typical onset: 70,000-120,000 mi
Symptoms: ATF puddles under front of truck, driver's side, Transmission running hot or slipping after fluid loss, Visible rust perforation on steel cooler lines near radiator
Fix: Steel cooler lines rust through where they route near the frame rail and are exposed to road salt. Nissan issued revised lines but many trucks still have originals. Replacement involves dropping lines, flushing cooler, refilling ATF. 2-3 labor hours plus fluid.
Estimated cost: $400-700
Radiator End-Tank Cracking (Plastic Tanks)
Occasional · high severity
Typical onset: 90,000-140,000 mi
Symptoms: Coolant seeping from radiator side tanks where plastic meets aluminum, Overheating under load or in traffic, Rapid coolant loss, steam from hood
Fix: OE radiators use plastic end tanks crimped to aluminum core; age and heat cycles crack the tanks. Aftermarket all-aluminum units are the fix. Includes coolant flush and burping. 2-3 labor hours.
Estimated cost: $450-800
Rear Differential Pinion Seal Leak
Occasional · low severity
Typical onset: 60,000-100,000 mi
Symptoms: Gear oil dripping from pinion flange area, Whining noise from rear end if fluid runs too low
Fix: Pinion seal hardens and leaks with age. Requires driveshaft removal, pinion nut torque setup, new seal and crush sleeve if done correctly. 2-2.5 labor hours plus gear oil.
Estimated cost: $350-550
Front Suspension Lower Control Arm Bushing Wear
Common · low severity
Typical onset: 80,000-130,000 mi
Symptoms: Clunking over bumps from front end, Wandering steering or alignment won't hold, Visible torn rubber bushings on lower control arms
Fix: Lower control arm bushings (especially rear position) wear out and cause alignment issues. Most shops replace entire arms rather than pressing bushings. 3-4 labor hours for both sides with alignment.
Estimated cost: $600-1,000
Exhaust Manifold Stud Breakage (VQ40DE)
Occasional · medium severity
Typical onset: 100,000+ mi
Symptoms: Ticking noise from engine bay that increases with RPM, Exhaust smell in cabin, Visible soot around manifold-to-head junction
Fix: Exhaust manifold studs corrode and snap, causing exhaust leaks. Repair requires removing manifold and either drilling/extracting broken studs or installing HeliCoils. If heads come off for access, add 6-8 hours. Basic stud replacement is 4-6 hours per side.
Estimated cost: $800-1,800
Owner tips
VQ40DE owners: change timing chains and guides proactively at 100k miles to avoid engine destruction — don't wait for noise
Use Nissan Matic-S ATF only in the 5-speed auto; aftermarket fluids cause harsh shifts and premature wear
Inspect transmission cooler lines annually in salt states; replace at first sign of surface rust
Flush coolant every 3 years with OE-spec coolant to reduce radiator and timing cover corrosion risk
Buy the 2.5L four-cylinder if you need basic truck work and can live with slow acceleration; avoid the VQ40DE V6 unless timing system has already been addressed with receipts — it's a ticking time bomb otherwise.
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: Standard battery location in engine bay; smaller battery due to I4 engine versus V6 models
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Every control module on the 2013-2017 Nissan Frontier — 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.
Automatic Air Conditioning Control Unit (A/C)1.2 hr R&Rrelearn only +0.2 hrautomatic climate control only▸ programming details
📍 Behind center stack HVAC control panel
🔧 Self-calibration procedure
⚠️ Manual HVAC systems use mechanical controls with no module; auto systems require actuator calibration after installation
Supplemental Restraint System Control Module (SRS)1.0 hr R&Rdealer / factory tool +0.4 hr▸ programming details
📍 Center console, beneath center stack trim, above transmission tunnel
🔧 CONSULT-III Plus
⚠️ Battery disconnect required; wait 3 minutes before service; crash data retrieval available; occupant classification system integrated
Nissan Anti-Theft System Control Unit / Intelligent Key Control Module (NATS/IPDM-E)1.0 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Engine bay, driver side fender well, integrated with Intelligent Power Distribution Module
🔧 CONSULT-III Plus
⚠️ All keys must be re-registered; ECM/BCM pairing required; IPDM-E integrates immobilizer, fuel pump relay, and multiple power distribution functions
Sonar Control Unit (SONAR)0.8 hr R&Rrelearn only +0.1 hrwith rear parking sensors▸ programming details
📍 Behind rear bumper, driver side, near hitch receiver area
🔧 Self-calibration
⚠️ Sensor calibration occurs automatically after installation
Audio Visual Navigation Unit (AVN)0.8 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Behind center stack radio/display unit
🔧 Radio self-initialization
⚠️ Anti-theft code may be required; Bluetooth pairing must be redone; navigation models require GPS antenna connection; backup camera integration on 2015+ models
Body Control Module (BCM)0.8 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Behind driver side kick panel, above fuse box
🔧 CONSULT-III Plus
⚠️ NATS key registration required; VIN programming mandatory; controls interior lighting, door locks, wipers, power windows
Electric Power Steering Control Unit (EPS)0.7 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Under driver seat, mounted to floor pan
🔧 CONSULT-III Plus or aftermarket scan tool
⚠️ Steering angle sensor calibration required; straight-ahead position relearn mandatory
⚠️ Odometer programming required; VIN must match vehicle; 2015+ models have color TFT display option
Tire Pressure Monitoring System Receiver (TPMS)0.6 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Behind center console, near BCM location
🔧 TPMS relearn tool or CONSULT-III Plus
⚠️ Sensor IDs must be relearned; drive cycle or manual relearn procedure required
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.
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS · 14V052000
2014-02-12
Nissan North America, Inc. (Nissan) is recalling certain model year 2012 through 2014 Frontier vehicles manufactured from November 28, 2012, through December 17, 2013. In the affected vehicles, a circuit breaker may have been installed incorrectly causing the main wire harness connected to the circuit breaker to face outward, potentially contacting a metal bolt located on the A-pillar.
Consequence: The bolt may wear through the wire harness covering, resulting in an electrical short which could cause a fire.
Remedy: Nissan will notify owners, and dealers will inspect the circuit breaker orientation. If the circuit breaker orientation is incorrect, dealers will repair the vehicles free of charge. The recall began on March 17, 2014. Owners may contact Nissan at 1-800-647-7261.
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 2013 Nissan Frontier 2.5L I4 QR25DE 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.