Jeep Wrangler 2007-2018

From 2007 to 2018, the Jeep Wrangler JK marked a significant evolution of the iconic off-road vehicle while staying true to its rugged heritage. With its recognizable seven-slot grille and round headlights, the JK retained the classic Wrangler appearance while introducing a more refined and capable platform. This generation was available in two body styles: a two-door version for purists and a four-door Unlimited variant, offering more interior space and practicality. The JK featured a body-on-frame construction with solid front and rear axles, ensuring robustness for off-road adventures.

One of the standout features of the JK Wrangler was its improved suspension system. It utilized coil springs on both axles, enhancing ride comfort and off-road articulation compared to its predecessor. This generation also introduced a more comfortable and spacious interior, with modern amenities like touchscreen infotainment systems and available navigation. Off-road enthusiasts appreciated the various four-wheel-drive systems, including Command-Trac and Rock-Trac, along with features like electronic locking differentials and disconnectable sway bars that enhanced its trail-conquering capabilities. The Wrangler JK continued to symbolize rugged adventure, combining classic Jeep style with modern conveniences for both on and off-road experiences.

Jeep Wrangler specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.

Chassis

• Type: JK

Engine 4.0L 6-Cylinder

• Recommended oil viscosity: 0W-20
• Oil certification: API
• Oil capacity: 5.5 quarts

Spark Plug Gap

• 4.0L 6-Cylinder: 0.047”

Fuel

• Capacity: 1.3L Turbo / 2.4L Engine: 12.7 Gallons (48 Liters)

Cooling System

• Type: We recommend you use Mopar Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT (Organic Additive Technology) or equivalent meeting the requirements of FCA Material Standard MS.90032
• Capacity:
  • 1.3L Turbo Engine: 8.8 Quarts (8.3 Liters)
  • 2.4L Engine: 6.8 Quarts (6.5 Quarts)

Manual Transmission — If Equipped

• Type: We recommend you use Mopar ATF+4 Automatic Transmission Fluid

Automatic Transmission (CVT) — If Equipped

• Type: Use only Mopar ZF 8&9 Speed ATF Automatic Transmission Fluid or equivalent. Failure to use the correct fluid may affect the function or performance of your transmission.

Power Transfer Unit (PTU)

• Type: We recommend you use Mopar Gear & Axle Lubricant SAE 80W-90 API GL 5

Rear Differential (RDM) – If Equipped

• Type: We recommended you use Mopar Rear Axle/RDM Synthetic Axle Lubricant SAE 75W-90 (API GL5)

Brake Master Cylinder

• Type: We recommend you use Mopar DOT 4. If DOT 4 brake fluid is unavailable, then DOT 3 is acceptable. DOT 4 brake fluid must be changed every 2 years regardless of mileage

Powertrain

Engine

• 2.8L VM Motori RA 428 Diesel I4
• 3.6L Pentastar V6
• 3.8 L EGH V6

Transmission

• 4-speed Ultradrive 42RLE automatic
• 5-speed Mercedes-Benz W5A580 automatic
• 5-speed Chrysler 545RFE automatic
• 6-speed Chrysler NSG370 manual4-speed Ultradrive 42RLE automatic
• 5-speed Mercedes-Benz W5A580 automatic
• 5-speed Chrysler 545RFE automatic
• 6-speed Chrysler NSG370 manual

Fuel Consumption

Front Lights

• Daytime Running Light Bulb: 7443
• Front Fog Light Bulb:
  • 2504
  •  LED
• Front Sidemarker Light Bulb: LED
• Front Turn Signal Light Bulb:
  • 7442NALL
  •  7440NA
• High Beam and Low Beam Headlight Bulb:
  • H13
  •  LED

Rear Lights

• Back Up Light Bulb:
  • 7440
  •  LED
• Brake Light Bulb:
  • 3157
  • LED
• Center High Mount Stop Light Bulb: LED
• License Plate Light Bulb: LED
• Parking Light Bulb:
  • 7442NALL
  • 7443
• Rear Sidemarker Light Bulb: LED
• Rear Turn Signal Light Bulb:
  • LED
  • 3157
• Tail Light Bulb:
  • 3157
  • LED

Interior Lights

• Auto Trans Indicator Light Bulb: 658
• Dome Light Bulb: 912
• HVAC Temperature Control Bulb: 194