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426 TECHNICAL SPECIFICATIONS
CHASSIS FLUIDS AND LUBRICANTS
Fuel Selection — 3.0L Diesel Engine
Use good quality diesel fuel from a reputable supplier in your vehicle. Federal
law requires that you must fuel this vehicle with Ultra Low Sulfur Highway
Diesel fuel (15 ppm Sulfur maximum) and prohibits the use of Low Sulfur
Highway Diesel fuel (500 ppm Sulfur maximum) to avoid damage to the
emissions control system. For most year-round service, Number 2 diesel fuel
meeting ASTM specification D-975 Grade S15 will provide good performance.
We recommend you use a blend of up to 5% biodiesel, meeting ASTM
specification D-975 with your diesel engine.
This vehicle is compatible with biodiesel blends greater than 5% but no
greater than 20% biodiesel meeting ASTM specification D-7467 provided the
shortened maintenance intervals are followed as directed.
Diesel Exhaust Fluid — 3.0L Diesel Engine
Mopar® Diesel Exhaust Fluid (DEF) (API Certified) or equivalent that has been
API Certified to the ISO 22241 standard. Use of fluids not API Certified to ISO
22241 may result in system damage.
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission – If Equipped
Use only Mopar® ZF 8 & 9 Speed Automatic Transmission Fluid (ATF) or
equivalent. Failure to use the correct fluid may affect the function or
performance of your transmission.
Manual Transmission – If Equipped We recommend using Mopar® ATF+4 Automatic Transmission Fluid.
Transfer Case We recommend using Mopar® ATF+4 Automatic Transmission Fluid.
Front Axle Differential We recommend using Mopar® Gear & Axle Lubricant (SAE 75W85) (API GL-5).
Component Fluid, Lubricant, or Genuine Part
22_JL_OM_EN_USC_t.book Page 426
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