NHTSA Complaint #10285172 — 2000 JEEP GRAND CHEROKEE

JEEP 2000 GRAND CHEROKEE LAREDO INLINE 6CYL I RECENTLY EXPERIENCED LOW COOLANT AND OIL PRESSURE PROBLEMS. I HAD THE WATER PUMP REPLACED, THE OIL SENSOR SWITCH REPLACED, AND THE OIL PUMP REPLACED. THE REPAIRS WERE DONE INDIVIDUALLY IN THAT ORDER. I AM STILL EXPERIENCING LOW COOLANT ALTHOUGH THE CAR DOES NOT SEEM TO OVERHEAT. I RECENTLY HAD A PRESSURE TEST AND THERE WERE NO LEAKS. WHEN THE CAR IS STARTED IN THE MORNING I HAVE THE PROPER OIL PRESSURE. AS SOON AS THE CAR WARMS UP THE OIL PRESSURE FLUCTUATES AND EVENTUALLY ACTIVATES THE ALERT INDICATOR (BELL SOUND). THE ENGINE SOUNDS FINE AND THERE ARE NO PERFORMANCE PROBLEMS. I BROUGHT THE CAR BACK TO THE SERVICE STATION THAT DID THE REPAIRS. THE MECHANIC SUGGESTED THAT I USE A HEAVIER OIL FOR THE PRESSURE PROBLEM. I WILL LET YOU KNOW THE RESULTS. THIS MAY BE THE LAST ATTEMPT BEFORE AN ENGINE OVERHAUL. JEEP SHOULD HAVE A RECALL FOR THESE PROBLEMS. *TR