1995 Lumina to 1999 Lumina tanny change

butchfig8

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#1
1999 Lumina seems to be missing second gear, even when shifted manually
Scanner shows sec gear but car shift feels like fist to third gear ???
Codes that cleared and did not come back in the time I drove car.
P0327 Knock sensor, P0742 Torq conv. clutch stuck on.
P0f23 & P146 unknown codes
Trans problem or ECM problem ??

1995 Lumina Fourth vin# W, Eighth Vin# M, OBD I
1999 Lumina Fourth vin# W, Eighth Vin# M, OBD II
Will Transmission out of 1995 fit 1999 ?? 1995 took hard deer hit.
 

Gus

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#2
No.....Might fit, but the electrical connector might be all wrong....due to OBD I vs OBD II.....

'95 could have a 4T60-E, while the '99 could be a 4T65-E....
 

Transman

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#3
Just an add here, NO. Even jumping a half year in GM will cause electric issues, especially going forward. The trans will have no clue what the computer is trying to tell it to do. Transman