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August 20, 2021 Service bulletin

Pentastar Upgrade Oil Fill Level after an Oil Change

Jeep technical service bulletin 04-001-21 for 2016-2021 Jeep Grand Cherokee, 2018-2021 Jeep Wrangler and 2016-2021 Dodge Durango and others.

Bulletin number
04-001-21
Component
Engine and engine cooling
Summary
Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.

Owners of these vehicles have filed 3,102 complaints in the engine category.

Vehicles covered

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