2003 Ford Explorer engine and engine cooling problems

“2003 FORD EXPLORER. CONSUMER WRITES IN REGARDS TO HUMMING/WHINING NOISE IN THE REAR END OF VEHICLE AND A FREQUENT LEAK IN THE DIFFERENTIAL. *SMD THE CONSUMER STATED SEVERAL COMPONENTS SUCH AS THE RING AN PINION, BEARINGS, SEALS AND GEAR AND PINION WERE ALL REPLACED. HOWEVER, THE ISSUE REMAINED UNRESOLVED. ALSO, THE REAR HATCH WAS CRACKED. WHEN THE CONSUMER INQUIRED ABOUT A REPLACEMENT AND ITS COST, THE DEALER ADVISED AGAINST THE REPLACEMENT/REPAIR AS THE NEW HATCHES HAD THE SAME PROBLEM. THE VEHICLE OVERHEATED AND HAD TO BE TOWED TO THE DEALER. A DIAGNOSIS REVEALED A DAMAGED THERMOSTAT HOUSING.”

“TRANSMISSION LIGHT FLASHING AND I AM TOLD THE TRANSMISSION NEEDS TO BE REPLACED OR REBUILT. THIS TRANNY SHOULD BE MORE DURABLE, FORD IS BETTER THAN ALL THE COMPLAINTS I HAVE READ ONLINE ABOUT THIS SITUATION. *TR”

“RATTLING NOISE IN 4.0 LITER-SOHC 2003 FORD EXPLORER XLT. DEALER REPLACED REAR TENSIONER. NOISE REMAINED. DIAGNOSIS SAID ENGINE NOISE IS COMING FROM REAR CASSETTE AND POSSIBLY FRONT ONE. ENGINE WOULD HAVE TO BE REMOVED AND TAKEN APART TO REPLACE TIMING CHAIN CASSETTES FOR @ $4K. THE CAR ONLY HAS 53,070 MILES ON IT. ONLINE SEARCH VERIFIES AN OBVIOUS ISSUE PATTERN AND COMPLAINTS TO AN INFERIOR QUALITY CASSETTE MATERIAL REQUIRING LABOR INTENSIVE ENGINE REMOVAL REPAIR. *TR”

“TOOK EXPLORER TO DEALERSHIP TO GET THE TRANSMISSION FLUID CHECKED AND GOT A CALL FROM THE DEALERSHIP THAT THE SPARK PLUG HAD BLOWN OUT OF THE ENGINE AND STRIPPED THE THREADS IN THE HEAD BUT NOT ON THE SPARK PLUG. *TR”

“TIMING CHAIN BROKE, WITH NO WARNING, BENT ALL THE VALVES AND WASN'T EVEN DRIVING IT. HAD JUST STARTED THE CAR IN THE GARAGE AND BACKED OUT OF DRIVEWAY WITH CAR IDLING VERY ROUGH. PULLED BACK IN DRIVEWAY AND OIL WAS POURING OUT UNDERNEATH, DUE TO CHAIN HAD BUSTED THE VALVE COVER. WELL HAD TO PULL THE MOTOR, REPLACED GUIDES, CASSETTES, AND TENSIONERS, WITH 2000.00 JUST IN PARTS ALONE. HAD CAR BACK FROM MECHANIC NOT EVEN 3 WEEKS AND ENGINE STARTED KNOCKING AS IF A ROD WAS KNOCKING. WENT BACK TO MECHANIC AND TENSIONERS WERE THE CAUSE OF TIMING-CHAIN "CLANK". APPARENTLY THEY (FORD) DESIGNED THESE TENSIONERS WITH "PLASTIC" GUIDES WHICH SHRED OFF INTO THE HYDRAULIC TENSIONER PICK UP TUBE THEREFORE CLOGGING UP THE HOLE FOR OIL TO GET TO CHAIN AND WILL CONTINUE TO DO SO UNLESS YOU GET UPDATED TENSIONERS DIRECTLY FROM FORD AT 100.00 EACH. THERE ARE 3 TIMING CHAINS AND MULTIPLE TENSIONERS AS WELL, WHICH CONTINUE TO GO OUT AFTER 30,000 MILES AND NEED REPLACING, WHICH MOST CAN BE REPLACED WITH MOTOR IN BUT SOME CANT THEREFORE I HAVE HAD MOTOR OUT TWICE NOW, AT 2500.00 EACH TIME. THERE WAS AN ONP TO OWNERS BUT FORD WOULD ONLY COVER COST UP TO 100,000 MILES AND ONLY IF OWNERS…”

“TL* THE CONTACT OWNS A 2003 FORD EXPLORER. THE CONTACT STATED WHEN SHE STARTED HER VEHICLE IT WAS IDLING IT WAS VERY ROUGH. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO ADVISED HER THAT THE TIMING CHAIN FRACTURED AND NEEDED TO BE REPLACED. THE MANUFACTURER ALSO ADVISED HER TO NO LONGER DRIVE THE VEHICLE UNDER THOSE CONDITIONS. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND OFFERED NO ASSISTANCE. THE FAILURE AND CURRENT MILEAGE WAS APPROXIMATELY 93,000.”