A/T - THM 125C Model Code Information

TSB 88-51 (Dec)

THM 125-C

SUBJECT: Model Code Information

The following information may be helpful when interchanging parts and/or transmissions in vehicles equipped with a THM 125C.




The "Model Code" listing is located on the l.D. nameplate shown in Figure 1.

The listing "used by" is as follows:

1 -- Chevrolet
2 -- Pontiac
3 -- Oldsmobile
4 -- Buick
5 -- Cadillac

Any converter code that has a 3rd digit of "0" is an open torque converter with no clutch inside. These torque converters look identical on the outside as a torque converter with a clutch inside.







1982 THM 125C MODELS







1983 THM 125C MODELS







1984 THM 125C MODELS







1985 THM 125C MODELS




1986 THM 125C MODELS







1987 THM 125C MODELS