1999 Jeep Grand Cherokee engine and engine cooling problems
121 owner complaints filed with NHTSA name the engine and engine cooling on the 1999 Jeep Grand Cherokee — 7% of all complaints for this model year.
What owners report
“The car stalls randomly while driving this can happen in heavy traffic in the middle of the road or at a stop sign without warning. Have seen several mechanics. When searching the problem, found 100's of other vehicle owners with the same complaint. Enormous safety hazard for driver as well as…”
filed Jun 17, 2012
“While driving at 55 mph, the vehicle lost all power, gauges all dropped to zero. The steering wheel was tight to turn and the brakes hard to apply, had no acceleration while pushing gas pedal down. All lights and radio still was working after getting it off the road turned jeep off would not…”
filed May 9, 2012
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Valve Body. These may cause over drive cycling.
R2118796A · Service Bulletin/Repair Instructions · issued Feb 26, 2016
Engine and Engine Cooling problems in other Grand Cherokee years
Grand Cherokee engine and engine cooling problems by year →Other reported problem areas on the 1999 Jeep Grand Cherokee
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.