Just talked to the dealer and they advised it needs a new valve body. I do trust the service manager at this dealership and he definitely knows the lingo and they have mechanics there with big diesel trucks that are tuned and all that so I feel like they know what they're doing. He said it's not exactly a common problem that they see but they have done plenty of valve bodies on the 66RFE and 68RFE with good success. I told him to go for it and replace the filters and fluid while he's at it. Should be done tomorrow. Here's hoping! Maybe we can get another camping trip in before the freeze hits!
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