Sounds right to me. You may as well not look at what the shop manual suggests. GM has about 50 different calibration proms for the PCM. I`ve had em where they won`t lock-up til 60-62mph. That was GMs early fix to shudder problems. Most GM front wheel drives won`t command lock-up til over 40-45mph.
The TCC should unlock at closed throttle, otherwise you can get those on the gas, off the gas drivers that can really make the car start to buck. There`s nothing you can do in the trans to change lock-up timing or release, 100% computer commanded. Good luck and keep driving her, those are great cars. BW
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Today's Featured Article - Talk of the Town: How to Remove a Broken Bolt - by Staff. Another neat discussion from the Tractor Talk Discussion Forum. The discussion started out with the following post: "I have an aluminum steering gear housing with a bolt broken off in it. The bolt is about a 3/8" x 1 1/2" bolt. I've already drilled the center of the bolt out with about 7/64" drill bit the entire length of the bolt. Only one end of the bolt is visible. I tried to use an easy out but it wasn't budging and I didn't want t
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