2013 Jeep Jk Oil. The oil cooler had cracked internally as I had mentioned so they had to replace the oil cooler, oil filter housing. Oil in coolant, bad head or head gasket?.

Oil Change – JK Wrangler 2013 | Jeep Off Road Adventures
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Definitely want to check oil levels more often with longer intervals. As a back up for an engine that doesn't get used much I also replace a minimum of once per year so if it doesn't hit the milage travel it gets replaced by age. The chart below will help you determine what type of oil to use for your JK, which transmission fluid you should use if your JK is a manual transmission, and what the limits are for your engine's oil.

This causes the vehicle to have blow-by conditions whether the engine is stock, turbocharged or supercharged.

Capacities in the JK Wrangler can vary depending on the year, make and model of your Jeep.

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Unlike prior models which used a can type filter that was spun on, the JK uses a paper media filter that is installed into a chamber attached to the engine. Jeep Wrangler JK Oil Pressure Sensor and Oil Cooler/Filter Housing Replacement. The most recently reported issues are listed below.