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July 6, 2021 Service bulletin

Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement...

Jeep technical service bulletin S2109000004 for 2012-2021 Jeep Grand Cherokee, 2012-2022 Jeep Wrangler and 2014-2022 Jeep Cherokee and others.

Bulletin number
S2109000004
Component
Engine and engine cooling
Summary
Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.

Owners of these vehicles have filed 18,370 complaints in the engine category.

Vehicles covered

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