2023 JEEP GLADIATOR Owners Manual

Page 425 of 448

JEEP GLADIATOR 2023  Owners Manual 
TECHNICAL SPECIFICATIONS423
Fuel Water Separation — Must Use 
Mopar® Approved Fuel Filter Elements
Biodiesel fuel has a natural affinity to water and 
water accelerates microbial growth. Your Mopa

Page 426 of 448

JEEP GLADIATOR 2023  Owners Manual 
424TECHNICAL SPECIFICATIONS  
ENGINE FLUIDS AND LUBRICANTS           
USMetric
Fuel (Approximate)
3.0L Diesel Engine 19.0 gal72.0 L
Diesel Exhaust Fluid Tank 5.1 gal19.3 L
Engine Oil With Filter
3.0L

Page 427 of 448

JEEP GLADIATOR 2023  Owners Manual 
TECHNICAL SPECIFICATIONS425
CAUTION!
Mixing of engine coolant (antifreeze) other than specified Organic Additive Technology (OAT) engine coolant (antifreeze), may result in engine damage and 
may

Page 428 of 448

JEEP GLADIATOR 2023  Owners Manual 
426TECHNICAL SPECIFICATIONS  
NOTE:If the vehicle is exposed to extreme cold (below 20°F or -7°C), or is required to operate at colder-than-normal conditions for prolonged periods, use climatized

Page 429 of 448

JEEP GLADIATOR 2023  Owners Manual 
TECHNICAL SPECIFICATIONS427
CHASSIS FLUIDS AND LUBRICANTS   
Component Fluid, Lubricant, or Genuine Part
 
Automatic Transmission – If Equipped
  Use only Mopar® ZF 8 & 9 Speed ATF Automatic Trans

Page 430 of 448

JEEP GLADIATOR 2023  Owners Manual 
428  
CUSTOMER ASSISTANCE
SUGGESTIONS FOR OBTAINING SERVICE 
FOR YOUR VEHICLE 
PREPARE FOR THE APPOINTMENT
All work to be performed may not be covered by the 
warranty. Discuss additional charges wit

Page 431 of 448

JEEP GLADIATOR 2023  Owners Manual 
CUSTOMER ASSISTANCE429
What to Do
If your vehicle requires jump start assistance, out 
of gas/fuel delivery, tire service, lockout service or 
towing as a result of a mechanical breakdown, dial 
toll

Page 432 of 448

JEEP GLADIATOR 2023  Owners Manual 
430CUSTOMER ASSISTANCE  
FCA US  LLC CUSTOMER CENTER
P.O. Box 21–8004
Auburn Hills, MI 48321–8004
Phone: (877) 426-5337
FCA CANADA INC. CUSTOMER CENTER
P.O. Box 1621
Windsor, Ontario N9A 4H6
Phon