Chassis - Jeep Wrangler JK 2018 Owner's Manual

Chassis

Component
Automatic Transmission – If Equipped
Manual Transmission – If Equipped
Transfer Case
Axle Differential (Front)
Axle Differential (Rear)
Brake Master Cylinder
Power Steering Reservoir
Fluid, Lubricant, or Genuine Part
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.
We recommend you use Mopar Manual Transmission
Lubricant meeting the requirements of FCA Material Stan-
dard MS-9224.
We recommend you use Mopar ATF+4 Automatic Trans-
mission Fluid.
We recommend you use Mopar Gear & Axle Lubricant
(SAE 80W-90) (API GL-5).
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.
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.
We recommend you use Mopar Power Steering Fluid +4,
Mopar ATF+4 Automatic Transmission Fluid.
TECHNICAL SPECIFICATIONS 439
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