NHTSA Complaint #11697308 — 2018 JEEP GRAND CHEROKEE ENGINE

Complaint Details

ODI Number	11697308
Vehicle	2018 JEEP GRAND CHEROKEE
Component	ENGINE
Date of Incident	September 8, 2025
Date Filed	November 3, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	UT

Consumer Description

In September 2025, the vehicle was shaking upon idle when we started it. We did a test and learned it was somehow losing coolant. We took it to a mechanic who discovered it was burning coolant in the 5th cylinder. They diagnosed the issue as blown head gaskets caused by the engine being machined incorrectly by the manufacturer. This resulted in the need for a short block removal and replacement, resurfacing the cylinder heads, replacing the head gaskets, among with many smaller repairs. The cost was over $8,000 total for a manufacturing error. If left unresolved, this could have caused further mechanical issues and potentially a crash or other safety issues.

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