Join Date: Oct 2013
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ZF6 Clutch Issue.. What is that noise!!
I have an early 99 F-250SD 7.3 4x4. 183K on truck and I bought it used, I don't know if the clutch has been replaced ever.
Here are the symptoms I am experiencing, a few weeks ago I started the truck leaving work, put it in reverse and began to back out of my parking spot, I started to hear a slight chirping sound coming from under the truck .. It varies with the pressure I am putting on the clutch pedal and with RPM. It happens most of the time when the truck is at a stop and shifting into 1st or reverse. Once its moving it shifts great like it always has. I replaced the tranny fluid about 13000 miles ago and everything looked good on the drain plug, no big chunks or debris. When the clutch fully engaged (foot off the pedal) there is no abnormal noises, The same goes for then the clutch is disengaged (foot pushing on the pedal) no strange noise. Noise only happens when I put truck in gear and begin to let off the clutch. Fast Forward 2 weeks, I am going to work and I am sitting at stop light and I am having trouble getting truck in gear. no grinding. just tough to go in gear when running. Once the truck is moving, it shifts normal. only when at a stop is it hard to get in gear. I can shut off truck. put in gear like normal... start truck and go. When I start the truck it has no tendency to move in any direction when the clutch is depressed. I have called a few shops and they are suggesting that it is a release bearing? Does any one have any suggestions?
Thanks in advance.