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Possible 4L80 problem
Giving a update, I dropped the pan. There was not that much flake in it. Tested the pressure switch, it passed. But I did notice a little bit of fluid in the plug. And when I unplugged the connector from the pressure switch. I broke the secure tabs. So I'm going to put a new harness & filter in...- JHB3
- Post #7
- Forum: Transmissions
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J
Possible 4L80 problem
Are your videos on YouTube? I appreciate your help!- JHB3
- Post #5
- Forum: Transmissions
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J
Possible 4L80 problem
Yes I have drive. The truck will go down the & shift through all the gears, but seems sluggish. The truck was shifting hard at one point but it was not the last time. I took it down the road. All this just started happening recently. I just started back working on the truck. No transmission...- JHB3
- Post #3
- Forum: Transmissions
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J
Possible 4L80 problem
Hello guys, I have 94 gmc 6.5 3500 with a 4L80. My problem is that I can put it in reverse. And push the accelerator sometimes it moves and sometimes it doesn't. There is no strange noises and the fun part is when I mash peddle to the floor with it in gear the engine does rev up. Shifting it to...- JHB3
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- Replies: 9
- Forum: Transmissions
