Chrysler purple coolant

Chrysler released a new engine coolant for the 2013 model year vehicles and beyond, for all engine applications except for the 2013 MK equipped with the 2.3L diesel engine and the JC vehicle equipped with the 2.0L diesel engine.

The new coolant, dubbed OAT (organic additive technology), haa a service interval of 10 years or 150,000 miles. For heavy-duty truck and extreme-duty cycle applications, refer to the service information or owner’s manual for proper maintenance schedules.

CAUTION: Damage may occur if dissimilar coolants are mixed. Coolants of different technologies are not compatible nor interchangeable (OAT, HOAT or IAT). Mixing these coolants could result in accelerated corrosion within the engine and cooling systems. The coolant may have an ammonia odor, and/or debris particles may be floating in the coolant.

Further inspection may find corrosion in the system. This could show up as aluminum pipes turning black, engine overheating or leaks in the cooling system.

NOTE: If OAT (MOPAR P/N 68163848AA Purple) has been mixed with HOAT (MOPAR P/N 68048953AB Pink); or Factory Fill HOAT Orange or any other coolants have been mixed, it will be necessary to flush the cooling system.

The new OAT is purple in color.
<p>The new OAT is purple in color.</p>

HOAT pink.
<p>HOAT pink.</p>

HOAT factory-fill orange.
<p>HOAT factory-fill orange.</p>

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