Multi-Port Fuel Injection (MPFI) for 3.6L Pentastar
Fuel Delivery 2:
Common Rail Direct Injection (CRDI) for 2.8L TD
๐ง Transmission
Standard Transmission
Transmission Type Standard:
6-Speed Manual (NSG370) for 3.6L Pentastar
Optional Transmission
Transmission Type Optional:
5-Speed Automatic (W5A580) for 3.6L Pentastar; 5-Speed Automatic (NAG1) for 2.8L TD
Features
Drivetrain Type:
Part-Time 4WD with Command-Tracยฎ or optional Selec-Tracยฎ (full-time 4WD) for some models/years.
Transfer Case Details:
NV241G for Command-Trac, NV241OR for Rubicon (Rock-Trac) models.
๐ Dimensions
Exterior
Wheelbase 2Door:
95.4 inches (2423 mm)
Wheelbase 4Door Unlimited:
116.0 inches (2946 mm)
Weights
Curb Weight Approx 2Door:
4,000 - 4,200 lbs (1814 - 1905 kg)
Curb Weight Approx 4Door:
4,300 - 4,500 lbs (1950 - 2041 kg)
๐ก๏ธ Safety Features
Ratings
NHTSA Front Driver Rating:
4-Star (for certain configurations)
NHTSA Front Passenger Rating:
4-Star (for certain configurations)
Active Features
Traction Control:
Yes (Traction Control System - TCS)
Electronic Stability:
Yes (Electronic Stability Control - ESC)
Passive Features
Airbags:
Front Airbags, Side Curtain Airbags (Optional/Standard depending on trim)
๐ก Technology Features
Infotainment
Infotainment Systems:
Uconnectยฎ systems with touchscreens (e.g., 430N, 730N), SiriusXM Satellite Radio, optional navigation.
Driver Assistance
Driver Assistance Features:
Hill Start Assist (HSA), Hill Descent Control (HDC) on some models, Trailer Sway Control (TSC).
๐ง Maintenance
Service Intervals
Oil Change Interval Gas:
Every 10,000 miles or 12 months (using synthetic oil and correct filter), or sooner based on driving conditions (severe duty).
Oil Change Interval Diesel:
Every 5,000 - 7,500 miles or 6 months (refer to specific diesel maintenance schedule).
Air Filter Replacement:
Inspect every 15,000 miles, replace as needed or at 30,000 miles.
Engine Coolant Change:
Initial change at 100,000 miles (for Pentastar), subsequent changes every 50,000-60,000 miles. Diesel may vary.
Fluid Specifications
Engine Oil Specification Gas:
SAE 5W-30 Synthetic (API SN, Chrysler MS-6395)
Engine Oil Capacity Gas:
6.4 US quarts (6.1 Liters) for 3.6L Pentastar
Engine Oil Specification Diesel:
SAE 5W-30 or 15W-40 Low Ash Engine Oil (ACEA C3 or Chrysler MS-11106 for certain filters)
Engine Oil Capacity Diesel:
Approx. 6.5 US quarts (6.2 Liters)
Transmission Fluid Automatic:
ATF+4 (Chrysler MS-9602)
Transmission Fluid Manual:
MS-9070 (for NSG370) or equivalent API GL-4 gear oil
Transfer Case Fluid:
ATF+4 or equivalent specification
Differential Fluid:
API GL-5 Hypoid Gear Lubricant (75W-90 or 75W-140 depending on use)
Known Issues
Pentastar Oil Cooler Leaks:
Leaking oil cooler seals are a common issue on the 3.6L Pentastar engine.
Clutch Wear:
Manual transmission clutches can wear prematurely under heavy off-road use or aggressive driving.
Heater Core Leaks:
Heater core leaks have been reported, often leading to coolant loss and interior fogging.
Crankshaft Position Sensor:
Failure of the crankshaft position sensor can cause starting issues or stalling.
๐ Vehicle History
Brand Heritage
Jeep Legacy:
Jeep is an iconic American brand with a history rooted in World War II military vehicles, known for its off-road capability and ruggedness.
Model Evolution
Wrangler Jk Introduction:
The JK generation was introduced for the 2007 model year, representing a significant redesign from the TJ generation, including a longer wheelbase and a more refined interior.
Engine Updates:
The 3.6L Pentastar V6 engine replaced the 3.8L V6 starting in the 2012 model year, offering substantial improvements in power and efficiency. The 2.8L CRD turbodiesel was available in certain markets.
Production
Manufacturing Location:
Toledo, Ohio, USA
๐ Awards & Recognition
Recognitions
Off Road Awards:
The Jeep Wrangler consistently receives accolades for its off-road prowess from various automotive publications and off-road enthusiasts.