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Car Forum / Ford / Ford Explorer / April 200596 Explorer Transmission problem
I had a problem where my flexplate broke. The mechanic said that the pump in the tranmission siezed breaking the flexplate. Is it possible for a pump to sieze and break a flexplate. In an automatic transmission the trans pump is driven off of the torque converter. The torque converter is attached to the flexplate. So if the pump froze up then it could and probably would brake the flexplate, or brake the torque converter. If the torque converter is expanding, it could cause both. I would have the converter replaced as well. > In an automatic transmission the trans pump is driven off of the torque > converter. The torque converter is attached to the flexplate. So if the > pump froze up then it could and probably would brake the flexplate, or > brake the torque converter. It doesn't make sense to me that a siezed pump could cause damage to a flexplate. THe flexplate is attached to output shaft from the engine. The t/c is attached to the flexplate and drives the pump. The engine torque has got to be in the neighbourhood of about 180 h.p.The only reason for the pump is to suck up trans fluid from the pan. The fluid pressure in a trans. runs between 50 to 80 lbs.I really don't see how it is mechanically possible.Pls. correct me if I am wrong. It really doesn't matter. The fact still remains that the flexplate is broken. > It doesn't make sense to me that a siezed pump could cause damage to a > flexplate. THe flexplate is attached to output shaft from the engine. The [quoted text clipped - 3 lines] > trans. runs between 50 to 80 lbs.I really don't see how it is mechanically > possible.Pls. correct me if I am wrong. It actually does matter as you don't just throw parts into a vehicle without determining what the root cause of the problem is or your just going to have the same problem occur again. Why take it to a mechanic, if you're going to second guess him. Like I said before, replace the torque converter, along with the pump and the flexplate and there should be no problem. It could have also been broken before the pump siezed. Bad driving habits break parts too. > It actually does matter as you don't just throw parts into a vehicle > without determining what the root cause of the problem is or your just > going to have the same problem occur again. |
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