700R4 Sun Shell (Replacement)
Here is a common failure point of the 700R4/4L60/4L60E automatic transmissions. The shell breaks in one of two ways. Don’t take a chance on reusing your old sun shell. Replacing this shell with a new one is cheap insurance. Don’t be fooled by what “looks” like a good used shell.
If the sun shell fails, the transmission will lose:
- 2nd gear.
- 4th gear.
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