as we were pulling away from a stop sign, there was a fairly loud whining sound and then a thump,like you would have maybe run over something. the vehicle started to slow down and there was no power.

Asked by Aug 10, 2015 at 03:41 PM about the 2005 Ford Explorer XLT V6 4WD

Question type: Maintenance & Repair

when I put vehicle into gear either drive or reverse it will not move and a hard thump is heard and felt.  When you go to put it into park there is a noise like when you try and put a vehicle into reverse from drive while the vehicle is moving.  is this a transmission, transfer case, or differential issue?

4 Answers

because I don't know you mechanical knowledge base, I will firstly state that you should never shift in to reverse/drive while traveling in the opposite direction. with that said if this has been done multiple times you may have a transmission issue or it could be as simple as you transmission fluid is low or needs replaced.


Is the power steering fluid low? Sometimes a low growling noise coming from the PSB will make the engine bogg down


The whine could be power steering pump low on oil but not moving... that sounds like you may have broken an axle or u-joint. Jack up rear end and turn one wheel by hand. while it is turning, see if the other side is turning. If not, you broke an axle. If that is not it, while it is up in the air, look under the car and see if the drive-shaft is connected at both ends.


If it is a power or transmission issue, then it should have lights on, on the dash telling you that you have an engine or trans problem. Being it is a 5R55 transmission, it is possible that your transmission has given up the ghost. It is a common happening for a high mileage Explorer to have this problem. I don't know your mileage, but am guessing it is up there. Above the radio are a set of switches on the left. Have you tried them to see if maybe the shift motor has gone out on the transfer case? There are so many possiblities, that without some other information, we can only guess. I'm thinking that it is powertrain related, and not computer or electrical. Good luck.

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