425 THM

Used 1966-78.  Was used in Olds Toronado and Cadillac Eldorado.  Also used in 1973-78 GMC Motorhome.

This was an hydraulically controlled front wheel drive three speed transmission.

1966-67 had a Variable Pitch (AKA Switch Pitch)  Torque Converter.  1968-up did not.

Cooler line farthest from torque converter is the cooler return line.

Band adjustments:
Intermediate = not adjustable
Reverse = not adjustable

Transmission

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425THM Parts I Have Listed For Sale

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