User Manual - Page 619

For RAM 2018 2500.

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Component Fluid, Lubricant, or Genuine Part
Engine Oil 6.4L For best performance and maximum protection under all types of operating
conditions, the manufacturer only recommends full synthetic engine oils that
meet the American Petroleum Institute (API) categories of SN. The manufac-
turer recommends the use of Pennzoil Ultra 0W-40 or equivalent Mopar engine
oil meeting the requirements of FCA Material Standard MS-12633 for use in all
operating temperatures.
Engine Oil Filter We recommend you use Mopar brand Engine Oil Filters.
Spark Plugs We recommend you use Mopar Spark Plugs.
Fuel Selection 3.6L Engine 87 Octane, 0-15% Ethanol.
Fuel Selection 3.6L Flex Fuel (E-85)
Engine If Equipped
87 Octane, Up To 85% Ethanol.
Fuel Selection 5.7L/6.4L Engines 89 Octane Recommended - 87 Octane Acceptable, 0-15% Ethanol.
CAUTION!
Mixing of engine coolant (antifreeze) other than speci-
fied Organic Additive Technology (OAT) engine coolant
(antifreeze), may result in engine damage and may
decrease corrosion protection. Organic Additive Tech-
nology (OAT) engine coolant is different and should not
be mixed with Hybrid Organic Additive Technology
(HOAT) engine coolant (antifreeze) or any “globally
(Continued)
CAUTION! (Continued)
compatible” coolant (antifreeze). If a non-OAT engine
coolant (antifreeze) is introduced into the cooling sys-
tem in an emergency, the cooling system will need to be
drained, flushed, and refilled with fresh OAT coolant
(conforming to MS.90032), by an authorized dealer as
soon as possible.
(Continued)
9
TECHNICAL SPECIFICATIONS 617
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