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Makes 🢒 Buick 🢒 1998 🢒 LeSabre 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Model Build Information

Model Build Information

Table A

Transmission Model

8FCB

8FDB

8FFB

8KAB

8THB

Vehicle Series

C,G

H

C

W Police

W

Engine Displacement

3.8L

3.8L

3.8L

3.8L

3.8L

Engine RPO Code

L67

L67

L36

L36

L36

Engine VIN Code

1

1

K

K

K

Overall Axle Ratio

2.93

2.93

3.05

3.29

3.29

Final Drive Ratio

3.29

3.29

3.05

3.29

3.29

Drive/Driven Sprocket Teeth

37/33

37/33

35/35

35/35

35/35

VSS Rotor Teeth

30

30

30

30

30

Final Drive Assembly

HD

HD

STD

STD

STD

Output Shaft

LONG

LONG

STD

STD

STD

Torque Converter K-factor

133

133

133

163

163

Converter Clutch

TCC

TCC

TCC

TCC

TCC

Case Side Cover Pan

SSC

SSC

SSC

SSC

SSC

Transmission Vent Assembly

CAP

CAP

CAP

CAP

CAP

    • FP = Fine Pitch
    • HD = Heavy Duty
    • N/A = Not Available
    • SSC = Case Aluminum Structural Side Cover Pan
    • STD = Standard
    • STEEL = Stamped Steel Side Cover Pan
    • VSS = Vehicle Speed Sensor
    • K-factor = Torque converter numeric rating (combines stall speed and torque multiplication ratings)

This chart does not identify all unique build items and this chart may be subject to change.

Model Build Information

Table B

Transmission Model

8TNB

8TPB

8YBB

8YFB

8XAB

Vehicle Series

W

H

W

H

W

Engine Displacement

3.8L

3.8L

3.5L

3.8L

3.8L

Engine RPO Code

L36

L36

LX5

L36

L67

Engine VIN Code

K

K

K

1

Overall Axle Ratio

3.05

3.05

3.05

2.86

2.93

Final Drive Ratio

3.05

3.05

3.05

2.86

3.29

Drive/Driven Sprocket Teeth

35/35

35/35

35/35

35/35

37/33

VSS Rotor Teeth

30

30

30

30

30

Final Drive Assembly

STD

STD

STD

STD

HD

Output Shaft

STD

STD

STD

STD

LONG

Torque Converter K-factor

163

163

164

133

155

Converter Clutch

TCC

TCC

TCC

TCC

TCC

Case Side Cover Pan

SSC

SSC

SSC

SSC

SSC

Transmission Vent Assembly

CAP

CAP

CAP

CAP

CAP

    • FP = Fine Pitch
    • HD = Heavy Duty
    • N/A = Not Available
    • SSC = Case Aluminum Structural Side Cover Pan
    • STD = Standard
    • STEEL = Stamped Steel Side Cover Pan
    • VSS = Vehicle Speed Sensor
    • K-factor = Torque converter numeric rating (combines stall speed and torque multiplication ratings)

This chart does not identify all unique build items and this chart may be subject to change.