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TCC disengaging on downhill Well Whadya know...seems your MAF sensor may be the culprit - cleaned mine and now it seems fine! Check this site http://www.fordscorpio.co.uk/cleanmaf.htm "There is mounting evidence that a dirty MAF sensor can cause gearbox malfunctions, such as reported...

TCC disengage downhill Well after a couple of false starts it seems I have found the root cause of TCC disengaging on downhill. Phoned a reputable auto shop here in Joburg, the technician's immediate response was "Faulty TPS". Not being one to throw parts at a problem, tested it this...

Spoken too soon - the loss of TCC lockup has returned. Now I'm trying to figure out which of the items I worked on caused the temporary fix.. can the disconnection and subsequent re-connecting of the battery somehow cause a "reset"?

Some feedback - lately I have been experiencing loss off TCC lockup (5R55E). The TCC would disengage, if I keep driving the same speed it would sort itself out after a couple of km's. If I pick up speed to about 150 km/h it would also function correctly. The weekend I serviced and noticed a...

I've had more or less the same symptom with my Ranger - momentary slipping in overdrive. All of the repair shops I approached assured me that the box needs to be rebuild. Somewhere in this forum someone exlained the procedure to adjust the friction belts (one of them has to do with overdrive)...