david85
Full Access Member
13 years after I built this unit, it finally let go in the middle of summer 2020.
Early warnings:
Reverse was getting somewhat weak over the last few months and adding power seemed to add a "clunk" of sorts where a sudden surge of torque was instantly applied. Thinking back, this was likely a slipping clutch.
3-4 shift seemed a bit crisp but I added an extra friction so I didn't think much about it until after the teardown. Work close to home also means the truck seldom used overdrive for the preceding several months.
Late Warnings:
First indication of a major problem was the truck seemed reluctant to get all the way down into 1st gear when coming to a complete stop. Usually I can feel a slight nudge just before the truck comes to a stop (2-1 shift). Instead, the transmission would kickdown to 1st while pulling away, which is not normal.
Within about 1 hour of driving in light urban conditions, it was already slipping so bad it could barely climb any hills at all. I barely limped it home and tried again in the morning. When cold everything seemed fine but as it warmed up, the slipping returned to the point where it could barely move. It was done.
The rebuild is already complete so what you'll see in the next few posts is what you get. I may have a few other photos but this won't be an exhaustive thread. I'll focus mostly on the post-mortem and the mods that I added for this time around.
So it's come to this:
Early warnings:
Reverse was getting somewhat weak over the last few months and adding power seemed to add a "clunk" of sorts where a sudden surge of torque was instantly applied. Thinking back, this was likely a slipping clutch.
3-4 shift seemed a bit crisp but I added an extra friction so I didn't think much about it until after the teardown. Work close to home also means the truck seldom used overdrive for the preceding several months.
Late Warnings:
First indication of a major problem was the truck seemed reluctant to get all the way down into 1st gear when coming to a complete stop. Usually I can feel a slight nudge just before the truck comes to a stop (2-1 shift). Instead, the transmission would kickdown to 1st while pulling away, which is not normal.
Within about 1 hour of driving in light urban conditions, it was already slipping so bad it could barely climb any hills at all. I barely limped it home and tried again in the morning. When cold everything seemed fine but as it warmed up, the slipping returned to the point where it could barely move. It was done.
The rebuild is already complete so what you'll see in the next few posts is what you get. I may have a few other photos but this won't be an exhaustive thread. I'll focus mostly on the post-mortem and the mods that I added for this time around.
So it's come to this:
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