Honda Accord/Prelude 1984-1995 Repair Guide



See Figure 1

The transaxle number, stamped on the case, indicates the family and running serial number for the transaxle. In general, transaxles are not interchangeable between model families.

Transaxles are selected by the manufacturer to fit the engine performance characteristics of the car with consideration to other variables such as area of sale, emission class, vehicle loading, brakes, etc. Even if a replacement unit physically fit into a dissimilar car, the performance of the transaxle would be a poor match to the present engine; driveability, fuel economy and emissions would suffer.

Click image to see an enlarged view

Fig. Fig. 1: Transaxle serial number locations

If you're considering replacing the transaxle rather than repairing a failure, stick to the same transaxle group; that is, if the old unit's trans number was A2Q5, then that is also what the replacement unit must be. Transaxle identification numbers begin with the following groups:

1984-85 Accord, California, 49 State and Hi Alt: GS
1984-85 Accord, Low Altitude (49 State only): GY
1984-85 Prelude, All: GM
1986-87 Accord, Fuel injected: A2Q5
1986-87 Accord, Carbureted: A2Q6
1986-87 Prelude, Fuel injected: A2K5
1986-87 Prelude, Carbureted: A1B5
1988 Accord, Fuel injected: E2Q5
1988 Accord, Carbureted: E2Q6
1988 Prelude, Fuel injected: D2J5
1988 Prelude, Carbureted: D2J4
1989 Accord, Fuel injected: E2R5
1989 Accord, Carbureted: E2R6
1989 Prelude, Fuel injected: D2J3
1989 Prelude, Carbureted: D2M4
1990-91 Accord, All: H2A5
1990-91 Prelude, All: D2A4
1992 Accord, All: H2U4
1992-95 Prelude, VTEC: M2F4
1992-95 Prelude, 2.2L: M2L5
1992-95 Prelude, 2.3L: M2S4
1993 Accord, wagon: H2U4
1993 Accord, DX and LX: H2A5
1993 Accord, EX and SE: H2U5
1994-95 Accord, VTEC: P2U5
1994-95 Accord, 2.2L: P2A5