The 2016 Jeep Wrangler belongs to the JK generation (2007-2017), built with 3.8L V6 through 2011, then the 3.6L Pentastar V6. It takes 5W-20 full synthetic on the Pentastar. Oil changes run 8,000 - 10,000 miles. This is a late year of that generation, typically the most refined build after several years of running changes.
A 2016 Jeep Wrangler is 10 years old in 2026, which at an average 12,000 miles a year puts it around 120,000 miles - high mileage. Near 120,000 miles a vehicle is typically well into its second or third round of scheduled service, and unscheduled repairs start to outnumber routine maintenance. A written history is what tells you whether an item is due or already done. On that mileage estimate it is already past its 120,000-mile service, which its own schedule lists as: Automatic transmission fluid & filter (normal duty), Inspect valvetrain. The next milestone on its own schedule is 150,000 miles, roughly 2.5 years away at average use, listed as: Engine coolant flush (Mopar OAT / HOAT), Inspect entire cooling system.
The fault most worth knowing about on this generation is Death wobble, a steering oscillation traced to worn track bar and steering components. Owners also report 3.6L Pentastar cylinder head failure on early builds, typically before 2013; and Exhaust manifold cracking and oil cooler housing leaks on the Pentastar. None of these are certainties on any individual vehicle - they are the patterns worth checking for when you buy or when a symptom appears.
Track your 2016 Jeep Wrangler service history free with the ServiceSage maintenance tracker, or compare it against other model years on the Jeep Wrangler maintenance schedule hub.
| Interval | Service |
|---|---|
| Every 4,000 mi (severe duty / off-road) | Engine oil & filter change, Rotate tires, Inspect axle vents, skid plates, and undercarriage, Inspect for off-road damage |
| Every 10,000 mi / 12 months | Engine oil & filter change (5W-20 3.6L V6), Rotate tires, Inspect brakes, steering, and suspension, Inspect ball joints and track bar |
| Every 20,000 mi | Inspect brake pads and rotors, Inspect CV joints and driveshafts |
| Every 30,000 mi | Replace engine air filter, Inspect drive belt, Inspect coolant condition and hoses |
| Every 36 months (brake fluid) | Replace brake fluid (DOT 3) |
| Every 60,000 mi | Front and rear axle (differential) fluid change, Transfer case fluid change, Automatic transmission fluid service (severe duty), Manual transmission fluid change (if equipped) |
| Every 100,000 mi | Replace spark plugs (3.6L Pentastar V6), Inspect PCV valve, Inspect water pump |
| Every 120,000 mi | Automatic transmission fluid & filter (normal duty), Inspect valvetrain |
| Every 150,000 mi | Engine coolant flush (Mopar OAT / HOAT), Inspect entire cooling system |
The table above is indexed by service interval. This is the same schedule indexed by odometer reading, for when you know your mileage and want the list. If your odometer sits between these figures, work back to the last one you passed and catch up anything skipped.
| Odometer | Service due |
|---|---|
| 30,000 mi (48,000 km) | Engine oil & filter change (5W-20 3.6L V6), Rotate tires, Inspect brakes, steering, and suspension, Inspect ball joints and track bar, Replace engine air filter, Inspect drive belt, Inspect coolant condition and hoses. The every-20,000 mi service runs on its own cycle - the nearest fall at 20,000 and 40,000 miles. |
| 60,000 mi (97,000 km) | Engine oil & filter change (5W-20 3.6L V6), Rotate tires, Inspect brakes, steering, and suspension, Inspect ball joints and track bar, Inspect brake pads and rotors, Inspect CV joints and driveshafts, Replace engine air filter, Inspect drive belt, Inspect coolant condition and hoses, Front and rear axle (differential) fluid change, Transfer case fluid change, Automatic transmission fluid service (severe duty), Manual transmission fluid change (if equipped). |
| 90,000 mi (145,000 km) | Same as the 30,000 mi service. The every-20,000 mi service runs on its own cycle - the nearest fall at 80,000 and 100,000 miles. |
| 100,000 mi (161,000 km) | Engine oil & filter change (5W-20 3.6L V6), Rotate tires, Inspect brakes, steering, and suspension, Inspect ball joints and track bar, Inspect brake pads and rotors, Inspect CV joints and driveshafts, Replace spark plugs (3.6L Pentastar V6), Inspect PCV valve, Inspect water pump. |
| 120,000 mi (193,000 km) | Engine oil & filter change (5W-20 3.6L V6), Rotate tires, Inspect brakes, steering, and suspension, Inspect ball joints and track bar, Inspect brake pads and rotors, Inspect CV joints and driveshafts, Replace engine air filter, Inspect drive belt, Inspect coolant condition and hoses, Front and rear axle (differential) fluid change, Transfer case fluid change, Automatic transmission fluid service (severe duty), Manual transmission fluid change (if equipped), Automatic transmission fluid & filter (normal duty), Inspect valvetrain. |
| 150,000 mi (241,000 km) | Engine oil & filter change (5W-20 3.6L V6), Rotate tires, Inspect brakes, steering, and suspension, Inspect ball joints and track bar, Replace engine air filter, Inspect drive belt, Inspect coolant condition and hoses, Engine coolant flush (Mopar OAT / HOAT), Inspect entire cooling system. The every-20,000 mi service runs on its own cycle - the nearest fall at 140,000 and 160,000 miles. |
| 200,000 mi (322,000 km) | Same as the 100,000 mi service. |
| Part | Fitment note | Buy |
|---|---|---|
| Mopar 5W-20 Full Synthetic Motor Oil (5 qt) | For the 3.6L Pentastar V6 | Check price on Amazon |
| Mopar Engine Oil Filter Kit 68191349AC | Fits the 3.6L Pentastar V6 (JK and JL) | Check price on Amazon |
| Mopar 53034018AD Engine Air Filter | JK Wrangler (2007-2017) only | Check price on Amazon |
| Champion 14ZSR15 Spark Plug (set of 6) | 3.6L Pentastar V6, one per cylinder, every 100,000 mi | Check price on Amazon |
| Mopar 68163849AB 10yr/150k OAT Coolant 50/50 (1 gal) | Use only Mopar OAT purple/violet - do not mix coolant types | Check price on Amazon |
| Mopar ATF+4 68218057AC (1 qt) | JK 545RFE automatic and NV241/NP241OR transfer case | Check price on Amazon |
| Mopar 75W-90 GL-5 Synthetic Gear Oil (1 qt) | Front and rear Dana axles, and the JL D478 6-speed manual | Check price on Amazon |
| Chrysler 4318080AD Mopar DOT 3 Brake Fluid (12 oz) | Time-based change every 36 months regardless of mileage | Check price on Amazon |
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| Fastener | Torque | Size |
|---|---|---|
| Lug nut | 130 ft-lbs (176 Nm) | 21mm |
Maintenance keeps these away, but when the dash does light up these are the codes this vehicle throws most often - each with what it means and what the repair actually costs.