Pre-Purchase Inspection Checklist

2015 Ford F-150 pre-purchase inspection checklist

What to check before you buy, built from NHTSA recall data, owner-reported failures, and mechanic intel. Print it or bring it to your mechanic.

Pre-purchase inspection · 2015 Ford F-150
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2015 Ford F-150
XL / XLT / Lariat / King Ranch / Platinum / Limited (13th gen, 2015-2020; first aluminum-body year)
Medium Risk

The 2015 F-150 debuted Ford's all-aluminum body — a major engineering move. 2015 is the most inspection-intensive year of this generation: the 2.7L EcoBoost was brand-new and has documented first-year head gasket and timing chain issues. Aluminum body changes accident-repair costs dramatically. A critical seat-belt-pretensioner fire-risk recall (18V-568) covers 2015–2018 F-150s. Steer toward a 2016+ or the 5.0L V8 if the 2.7L EcoBoost history is unclear.

Items to check
22
Open recalls
5
NHTSA complaints
2847
Top concern
Engine

Engine (Powertrain-Specific)

2.7L EcoBoost head gasket failure (2015 ONLY)

Critical
The 2015 2.7L EcoBoost had a documented first-year head gasket defect — coolant intrusion into the cylinder, white exhaust smoke, overheating, and potential hydrolock. Ford acknowledged the issue and extended warranty coverage to 10 years/150,000 miles for affected VINs. A 2015 2.7L without documented head gasket repair is a significant risk.
If the truck has the 2.7L: check coolant reservoir level (low = loss). At startup, look for white smoke at the tailpipe. Remove the oil cap and look for cream/milky foam = coolant mixing with oil. Check NHTSA lookup for TSB 17-0039. Do NOT buy a 2015 2.7L without head gasket repair documentation.
Est. cost: $3,000-$6,000 head gasket repair / walk away if no documentation and VIN is in affected range Source: Ford TSB 17-0039 + extended warranty + NHTSA complaints

2.7L EcoBoost timing chain rattle (2015-2016)

High Attention
The 2.7L EcoBoost has upper and lower timing chain cassette wear. At cold start, a rattle persisting beyond 3-4 seconds or at warm idle indicates cassette wear. Ford released updated parts.
Cold-start and listen at idle for chain rattle from the front driver-side of the engine. Sustained rattle beyond 4 seconds = chain cassettes worn. Ask for repair documentation.
Est. cost: $1,200-$2,400 dual chain cassette replacement Source: Ford TSB 18-2202 + community documentation

3.5L EcoBoost — proven and reliable (2011+)

Low Risk
The 3.5L twin-turbo EcoBoost has been in production since 2011 and is well-debugged by 2015. Watch for spark plug fouling on high-mileage trucks and verify plug changes.
Test under hard acceleration — power should be strong and smooth. Any misfires or hesitation at WOT = plug or coil. Verify plugs changed at 60,000 miles.
Est. cost: $400-$600 plugs + coils service at 60k Source: 3.5L EcoBoost production history

5.0L Coyote V8 — cam phaser noise at startup

Monitor
The 5.0L Coyote is the most reliable powertrain choice for this generation. Its quirk: variable valve timing cam phasers can rattle 1-2 seconds on cold start, especially if oil changes have been stretched.
Cold-start from an overnight sit and listen for a metallic rattle from the top of the engine for the first 3-5 seconds. Brief rattle that clears = normal Coyote behavior. Sustained rattle = phaser wear.
Est. cost: $800-$2,000 phaser service if worn Source: Coyote V8 cam phaser pattern

Aluminum Body

Accident repair cost (aluminum body)

High Attention
Aluminum body panels cost 2-3x more to repair than steel and require Ford-certified aluminum shops. A fender-bender that costs $1,500 on a steel truck can cost $3,000-$5,000 on this F-150.
Run the VIN through CARFAX or AutoCheck before anything else. Inspect every panel gap — aluminum doesn't rust but folds differently than steel. Any uneven gaps, mismatched paint sheen, or overspray = prior repair. Ask if it was done at a Ford-certified aluminum shop.
Est. cost: $3,000-$10,000+ per panel at a certified shop Source: Ford aluminum body repair certification program

Galvanic corrosion at steel-aluminum junctions

High Attention
The F-150 has a steel frame with an aluminum body. Ford uses isolation tape at junctions, but in salt-belt states these can fail. Galvanic corrosion forms at the bolt points where dissimilar metals contact.
On a lift, inspect junctions where the aluminum body meets the steel frame — A-pillar base, rocker seams, and bed mounting bolts. White powder or oxidation at these interfaces = galvanic corrosion starting. Essential check for any northern-state truck.
Est. cost: $500-$3,000 corrosion treatment / more for structural repairs Source: Ford F-150 aluminum body engineering + salt-belt reports

Drivetrain & 4WD

IWE front hub failure (4WD models)

High Attention
The Integrated Wheel End (IWE) system that engages front hubs is vacuum-operated — a known weak point. Failed IWE causes a grinding rattle at highway speed in 2WD. The vacuum lines to the hubs dry-rot and collapse.
Drive at 60+ mph in 2WD and listen for grinding or groaning from the front axle area. Engage 4WD-Hi and verify the 4WD light confirms engagement, then disengage and verify it returns to 2WD cleanly.
Est. cost: $300-$800 IWE repair / $1,200+ if both sides fail Source: Ford F-150 IWE pattern + community documentation

6-speed 6R80 transmission (Mercon LV fluid only)

Low Risk
The 6R80 is generally reliable when properly maintained. Uses Mercon LV fluid — Mercon V is incorrect and causes damage.
Test all 6 gears under light and hard acceleration. Shifts should be smooth. Verify fluid change history — 60,000-mile changes recommended.
Est. cost: $150 fluid service / $3,500-$5,000 rebuild if neglected Source: 6R80 service recommendation

Electrical & Recalls

Recall 18V-568 — seat-belt pretensioner fire risk

Critical
NHTSA recall 18V-568 (Ford 18S27): a deploying front seat-belt pretensioner can ignite B-pillar insulation and wiring, causing a fire. Covers 2015–2018 F-150 Regular Cab and SuperCrew. Verify completion by VIN at nhtsa.gov/recalls.
Look up recall 18V-568 at nhtsa.gov/recalls before purchase. If not completed, the dealer installs heat-resistant tape free of charge — confirm done before purchase.
Est. cost: Free under recall / fire risk if unrepaired Source: NHTSA recall 18V-568

MyFord Touch vs. SYNC 3 infotainment

Low Risk
2015 F-150 launched with MyFord Touch — a slow, unreliable system. Many owners have retrofitted SYNC 3, which is vastly better. Verify what is currently installed.
Test all infotainment functions: navigation, Bluetooth, reverse camera, USB. MyFord Touch has slow, laggy response. SYNC 3 is fast and responsive.
Est. cost: $600-$1,200 SYNC 3 retrofit if desired Source: Ford infotainment generation history

Suspension & Brakes

Front IFS ball joints and CV axle boots

Monitor
The independent front suspension (coil-over-shock) wears faster under heavy load or rough use. At 100,000+ miles, ball joints and CV axle boots are due.
Inspect front suspension for torn CV boots, leaking shocks, and worn ball joints. Grab the front tire at 12 and 6 o'clock and try to wiggle — any movement = ball joint play.
Est. cost: $400-$800 per ball joint / $300-$500 CV axle Source: F-150 IFS wear pattern

Front brake wear (heavy truck)

Monitor
The F-150 is a heavy vehicle — front brakes wear faster than its size might suggest, especially on tow-spec or 4WD trucks.
Ask for brake service history. Brake firmly from 45 mph — no shimmy or pulsation (warped rotors).
Est. cost: $350-$600 front pads + rotors Source: Standard heavy-truck brake wear

NHTSA Recalls (verify completion via VIN)

18V-568
Seat-Belt Pretensioner — Fire Risk
Deploying front pretensioner can ignite B-pillar insulation/wiring (2015–2018 F-150). Free dealer remedy — verify before purchase.
Multiple
Open recalls — VIN check
Campaigns vary by build date. Run the VIN at nhtsa.gov/recalls and require every open recall closed before purchase.
After you buy: common DIY repair guides
Planning the upkeep this car will need? Our step-by-step guides cover oil changes, brake pads & rotors, battery replacement, transmission fluid, coolant flushes, and spark plugs — each with the tools, parts, torque specs, and common mistakes that matter. Browse all repair guides →

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