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ProblemsByVin Checklist / 2016-TOYOTA-4RUNNER

Pre-purchase · Buyer's checklist

2016 Toyota 4Runner inspection checklist

The 2016 Toyota 4Runner has 2 critical safety recalls and a documented pattern of issues across 6 component categories. Before you sign anything, walk through this list with the seller. Skip nothing — the items below come from 77 owner reports already on file with NHTSA.

1 Verify safety recalls before you drive off

Recall fixes are free regardless of warranty status. Ask the seller for proof — or have the dealer pull the VIN history.

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2010-2016 4Runner, 2003-2006 Tundra, 2003-2013 Corolla, 2009-2010 Corolla Matrix, 2004-2005 RAV4, 2002-2007 Sequoia, 2011-2013 Sienna, 2008-2012 Scion xB, 2008-2009 Lexus IS-F, 2007-2012 Yaris and Lexus ES350, 2010-2017 Lexus GX460, 2002-2010 Lexus SC430, 2006-2012 Lexus IS250 and IS350 and 2010-2015 Lexus IS250C and IS350C vehicles — fix: Toyota will notify owners. Depending on the vehicle model, dealers will replace the front driver inflator, front passenger airbag inflator, the airbag assembly, or the front passenger airbag sub-assembly and inflator. The recall began November 20, 2019. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Toyota's numbers for this recall are J0A, J0B, and J0C. Lexus' numbers for this recall are JLI, JLJ, and JLK.
NHTSA 19V741000 · severity: critical
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2014-2016 Toyota 4Runner, 2014-2015 Scion xB, Lexus IS350C, IS250C, 2014 Toyota Sienna, Lexus IS-F, and 2014-2017 Lexus GX460 vehicles 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 — fix: Toyota will notify owners. Depending on the vehicle model, dealers will replace the front passenger air bag inflator, or replace the air bag assembly. The recall began February 15, 2019. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's numbers for this recall are "Zone A" Toyota: G0P, Lexus: GLG; "Zone B" Toyota: G0R, Lexus GLH; "Zone C" Toyota: H0A, and Lexus: HLA.
NHTSA 19V005000 · severity: critical

2 Inspect the electrical

What to look for: Dim or flickering dash lights at idle, slow window operation, intermittent infotainment glitches, parasitic battery drain (dead battery after a few days parked). (17 owner complaints on this vehicle · typical repair $850 · failures cluster ~33,247 mi)

Battery age sticker — most batteries last 3–5 years
Alternator output at idle (13.8–14.5V is healthy)
All exterior lights: headlights both beams, taillights, brake lights, reverse, blinkers
Every interior switch: power windows, locks, mirrors, sunroof, seats
Infotainment cold-start time and touchscreen responsiveness

On the test drive: Cycle through every electronic accessory during the drive — heated seats, defrosters, climate fan on max, cruise control. Glitches show up under load.

See full electrical report for this vehicle →

3 Inspect the airbags

What to look for: Anything that looks, sounds, or smells different from peer vehicles of the same year and trim. (10 owner complaints on this vehicle · typical repair $1,100 · failures cluster ~37,250 mi)

Walk around and note any visible damage, wear, or aftermarket modifications
Open the hood and look for fresh fluid leaks, loose connectors, or recent part swaps
Sit in every seat and operate every control to confirm function

See full airbags report for this vehicle →

4 Inspect the suspension

What to look for: Bouncing after bumps, knocking over potholes, sagging on one corner, harsh ride with all the dampening gone. (9 owner complaints on this vehicle · typical repair $900 · failures cluster ~30,361 mi)

Bounce test — push down hard on each corner of the car; it should rebound once and settle, not bounce
Visible struts/shocks behind the wheels for oil leaks
Sway bar end links and bushings (common wear item, $40–$120 to fix)
Ride height — measure wheel-well to ground at all four corners; uneven = bad spring

On the test drive: Drive over a series of bumps or a railroad crossing — clunks point to worn end links, ball joints, or strut mounts.

See full suspension report for this vehicle →

5 Inspect the body

What to look for: Paint mismatch between panels (prior accident), rust on rocker panels and wheel wells, door alignment gaps that don't match side-to-side, weatherstrip wear. (6 owner complaints on this vehicle · typical repair $1,500 · failures cluster ~25,000 mi)

Panel gaps — should be even and consistent; tight on one side means body work
Trunk and hood weatherstrips for cracks
Inside the trunk, under the spare — water staining means a leak
Door hinge bolts for paint dust (telltale of door replacement)
VIN plate on the dash matches the VIN sticker on the door jamb

See full body report for this vehicle →

6 Inspect the powertrain

What to look for: Hesitation on takeoff, harsh or delayed shifts, vibration at highway speed, fluid leaks on the driveway under the engine bay or transmission pan. (4 owner complaints on this vehicle · typical repair $2,500 · failures cluster ~22,000 mi)

Transmission fluid color and smell — fresh ATF is red, brown or burnt smell is bad
Engine and transmission mounts (cracks or visible sag)
CV boots front (and rear on AWD) — any tears mean a $300–$800 axle replacement
Driveshaft U-joints and rear differential fluid level on RWD/AWD

On the test drive: Drive 15+ minutes including a freeway on-ramp at full throttle, a steep hill, and stop-and-go traffic. Listen for clunks on shifts, flares between gears, and shudders during light acceleration at 30–50 mph (torque converter symptom).

See full powertrain report for this vehicle →

7 Inspect the steering

What to look for: Wandering on the highway, clunks when turning, slop in the wheel before the tires respond, power steering whine. (4 owner complaints on this vehicle · typical repair $700 · failures cluster ~41,051 mi)

Tire wear pattern — uneven wear across the tread means alignment or worn suspension
Power steering fluid level (where applicable — most newer vehicles are electric)
Tie rod boots and ball joint boots for tears
Steering wheel free play — should be less than 1 inch at the rim

On the test drive: On a smooth highway, take hands off briefly (when safe) — vehicle should track straight. Pulling left or right means alignment or worn front-end parts.

See full steering report for this vehicle →

8 Paperwork — before you sign

The seller's transparency on these tells you what kind of seller you're dealing with.

Title in seller's name (not "open title" or "signed by previous owner")
Service records — at least the last 24 months
VIN on the dash matches the door jamb sticker and the title
Run a paid vehicle history report (Carfax or AutoCheck) — accident, salvage, odometer rollback
Confirm any open recalls have been completed (NHTSA VIN lookup)
If financing, get the rate in writing before you set foot on the lot

Inspection items derived from 77 owner complaints and 5 active recall campaigns filed with NHTSA on the 2016 Toyota 4Runner. Category-specific guidance is written by ProblemsByVin contributors with ASE-certified mechanic review. This checklist is meant to surface known patterns — it doesn't replace a paid pre-purchase inspection by a qualified shop, which we recommend for any used vehicle priced over a few thousand dollars.

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