NHTSA Complaint #10382016 — 2001 JEEP GRAND CHEROKEE ENGINE AND ENGINE COOLING

Complaint Details

ODI Number	10382016
Vehicle	2001 JEEP GRAND CHEROKEE
Component	ENGINE AND ENGINE COOLING
Date of Incident	February 4, 2011
Date Filed	February 8, 2011
Mileage	85,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MD

Consumer Description

THE HEAD CRACKING ISSUE SEEMS TO BE THE RESULT OF SEVERAL BAD CASTINGS AND I CAN ONLY SPECULATE THAT THE CAST IRON USED IN ONE LARGE BATCH MADE AROUND THE YEAR 2000 MUST HAVE BEEN OF POOR QUALITY. THE AREA BETWEEN THE NO.3 AND 4 EXHAUST PORTS IS THE HOTTEST PART OF THE HEAD AND IS SUBJECTED TO THE LARGEST TEMPERATURE FLUCTUATIONS, MAKING THAT THE AREA MOST PRONE TO CRACK. THE FIRST SIGN OF A PROBLEM IS UNEXPLAINED LOSS OF COOLANT. IF THERE ARE NO EXTERNAL COOLANT LEAKS, REMOVE THE OIL FILLER CAP AND LOOK BETWEEN THE VALVE SPRINGS OF THE NO.3 AND 4 CYLINDERS.

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