User Manual - Page 440

For 2018 JEEP WRANGLER JK.

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Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission If Equipped Use only ATF+4 Automatic Transmission Fluid. Failure to
use ATF+4 fluid may affect the function or performance of
your transmission. We recommend Mopar ATF+4 fluid.
Manual Transmission If Equipped We recommend you use Mopar Manual Transmission
Lubricant meeting the requirements of FCA Material Stan-
dard MS-9224.
Transfer Case We recommend you use Mopar ATF+4 Automatic Trans-
mission Fluid.
Axle Differential (Front) We recommend you use Mopar Gear & Axle Lubricant
(SAE 80W-90) (API GL-5).
Axle Differential (Rear) 226 RBI (Model 44) We recommend you use Mopar Gear
& Axle Lubricant (SAE 80W-90) (API GL-5) or equivalent.
For trailer towing, use Mopar Synthetic Gear & Axle
Lubricant (SAE 75W-140). Models equipped with Trac-Lok
require an additive.
Brake Master Cylinder We recommend you use Mopar DOT 3 Brake Fluid, SAE
J1703. If DOT 3, SAE J1703 brake fluid is not available, then
DOT 4 is acceptable.
Power Steering Reservoir We recommend you use Mopar Power Steering Fluid +4,
Mopar ATF+4 Automatic Transmission Fluid.
438 TECHNICAL SPECIFICATIONS
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