Servicing - A/T: Identification
A new system has been developed by Hydra-Matic to "functionally" describe its transmissions and transaxles. The new transmission designations, used throughout this manual, will indicate (in sequence) the number of speeds, type, series and major features (if applicable).
Refer to HYDRA-MATIC PRODUCT DESIGNATIONS to reference each new designation.
HYDRA-MATIC PRODUCT DESIGNATION SYSTEM CODES
| 3 - No. Speeds: | T - Type: | 40 - Series: | E - Features: |
|---|---|---|---|
| 3 | T - Transverse | Based on | E - Elect. |
| 4 | L - Longitudinal | Relative | A - AWD |
| 5 | M - Manual | Torque Rating | HD - Heavy Duty |
HYDRA-MATIC PRODUCT DESIGNATIONS
| Previous Designation | New Designation | ||
|---|---|---|---|
| THM A-1 | Hydra-Matic 3T40-A | ||
| THM F-7 | THM F-7 | ||
| THM R-1 | Hydra-Matic 4L30-E | ||
| THM 125/125C | Hydra-Matic 3T40 | ||
| THM 180/180C | Hydra-Matic 3L30 | ||
| THM 200-4R | (1) THM 200-4R | ||
| THM 400 | Hydra-Matic 3L80 | ||
| THM 440-T4 | Hydra-Matic 4T60 | ||
| THM 475 | Hydra-Matic 3L80-HD | ||
| THM 700-R4 | Hydra-Matic 4L60 | ||
|
|||
FWD APPLICATION
| Model | Body | Transmission(s) | |
|---|---|---|---|
| Buick | |||
| Century | "A" | 3T40 & 4T60 | |
| Electra | "C" | 4T60 | |
| LeSabre | "H" | 3T40 | |
| Park Avenue | "C" | 4T60 | |
| Reatta | "E" | 4T60 | |
| Regal | "W" | 3T40 & 4T60 | |
| Riviera | "E" | 4T60 | |
| Skylark | "N" | 3T40 | |
| Cadillac | |||
| DeVille | "C" | 4T60 | |
| Eldorado | "E" | 4T60 | |
| Fleetwood | "C" | 4T60 | |
| Seville | "K" | 4T60 | |
| Chevrolet | |||
| Beretta | "L" | 3T40 | |
| Cavalier | "J" | 3T40 | |
| Celebrity | "A" | 3T40 & 4T60 | |
| Corsica | "L" | 3T40 | |
| Lumina | "W" | 3T40 | |
| Oldsmobile | |||
| Cutlass Calais | "N" | 3T40 | |
| Cutlass Ciera | "A" | 3T40 & 4T60 | |
| Cutlass Cruiser | "A" | 4T60 | |
| Cutlass Supreme | "W" | 4T60 | |
| Delta 88 | "H" | 4T60 | |
| Ninety-Eight | "C" | 4T60 | |
| Toronado | "E" | 4T60 | |
| Trofeo | "E" | 4T60 | |
| Pontiac | |||
| Bonneville | "H" | 4T60 | |
| Grand Am | "N" | 3T40 | |
| Grand Prix | "W" | 4T60 | |
| Sunbird | "J" | 3T40 | |
| Touring Sedan | "C" | 4T60 | |
| 6000 | "A" | 3T40 & 4T60 | |
RWD TRANSMISSION APPLICATION
| Model | Body | Transmission(s) |
|---|---|---|
| Brougham | "D" | 200-4R & 4L60 |
| Camaro | "F" | 4L60 |
| Caprice | "B" | 200-4R & 4L60 |
| Corvette | "Y" | 4L60 |
| Custom Cruiser | "B" | 200-4R & 4L60 |
| Estate Wagon | "B" | 200-4R & 4L60 |
| Firebird | "F" | 200-4R & 4L60 |