A lot of the earlier build 722.6 trannys seem to have developed hard downshifts especially from 3 to 2. It is mostly a control issue and the problem is usually solved with an updated tranny computer.

However, I am not sure if the 99 builds still had this issue from the factory or if it was solved by then.

It's easy to take a look at the flex disks and see if they are significantly cracked or worn.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record