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Mark K. has posted on many forums that a heated flush machine is necessary to get a full flush due to the internal thermostat that would prevent the torque converter from getting fully flushed if the heated machine was not used.
Looking back, I had my transmission flushed at 30k miles (I am at 57k now) and I was not charged for 18 quarts of fluid. I only was charged for 16. From that, I assumed that the machine was not heated and called the dealership and verified that it was not (it was a Wynn's system). BTW - I am very happy with the work my dealership performs and I realize that the flush still gets more of the old fluid replaced than a simple pan drain.
However, I have since called about 20 local dealerships and none of them have a heated flush machine.
I was wondering if Ford has ever sent any communications to the dealerships similar to what Mark has said about needing to use a heated machine.
Looking back, I had my transmission flushed at 30k miles (I am at 57k now) and I was not charged for 18 quarts of fluid. I only was charged for 16. From that, I assumed that the machine was not heated and called the dealership and verified that it was not (it was a Wynn's system). BTW - I am very happy with the work my dealership performs and I realize that the flush still gets more of the old fluid replaced than a simple pan drain.
However, I have since called about 20 local dealerships and none of them have a heated flush machine.
I was wondering if Ford has ever sent any communications to the dealerships similar to what Mark has said about needing to use a heated machine.
