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2020 Jeep Wrangler
2020 Wrangler JL coolant is Mopar 10 Year/150,000 Mile OAT. The 2.0L engine is 10.3 quarts. The 3.6L engine is 11.2 quarts. Other loops are separate.
Difficulty, time, and cost are estimates when this guide gives them. Torque is a cited figure, or it is left off.
Main source: 2020 Jeep Wrangler Owner's Manual, fourth edition, publication 20_JL_OM_EN_USC, fluid capacities (opens in a new tab), FCA US LLC, published 2019-11-27, read 2026-10-15.
Numbers on this page come from the cited source. Match the engine before you use a capacity or a torque. Do not work under a vehicle held only by a jack.
Mopar 10 Year/150,000 Mile OAT coolant or the equivalent in the table
A non-OAT fill has to be drained, flushed, and refilled with OAT meeting MS.90032 by an authorized dealer.
| Item | Figure | Where it comes from |
|---|---|---|
| Coolant | Mopar Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT, or equivalent meeting FCA Material Standard MS.90032. | Fluids and lubricants, engine coolant |
| 2.0L engine | 10.3 quarts (9.7 liters). Includes the coolant recovery bottle filled to MAX. | Fluid capacities, cooling system |
| 2.0L intercooler, without motor generator | 3.2 quarts (3.0 liters). Same OAT coolant. | Fluid capacities, cooling system |
| 2.0L intercooler, with motor generator | 3.5 quarts (3.3 liters). Same OAT coolant. | Fluid capacities, cooling system |
| 2.0L battery coolant | 2.5 quarts (2.4 liters). Same OAT coolant. | Fluid capacities, cooling system |
| 3.6L engine | 11.2 quarts (10.6 liters). Includes the coolant recovery bottle filled to MAX. | Fluid capacities, cooling system |
| 3.6L motor generator, if equipped | 1.9 quarts (1.8 liters). Same OAT coolant. | Fluid capacities, cooling system |
| 3.6L battery coolant, if equipped | 2.5 quarts (2.4 liters). Same OAT coolant. | Fluid capacities, cooling system |
Engine, intercooler, motor-generator, and battery coolant rows all name Mopar 10 Year/150,000 Mile formula or equivalent meeting MS.90032.
The 2.0L engine is 10.3 quarts. Its intercooler is 3.2 quarts without a motor generator and 3.5 quarts with one. Battery coolant is 2.5 quarts. The 3.6L engine is 11.2 quarts. A 3.6L motor generator, if equipped, is 1.9 quarts, and its battery coolant, if equipped, is 2.5 quarts.
The footnote says the cooling-system capacities include the coolant recovery bottle filled to the MAX level.
If a non-OAT coolant is added in an emergency, the manual says an authorized dealer has to drain, flush, and refill the system with OAT conforming to MS.90032 as soon as possible.
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Mopar 10 Year/150,000 Mile OAT coolant or the equivalent in the table
A non-OAT fill has to be drained, flushed, and refilled with OAT meeting MS.90032 by an authorized dealer.
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