GM Service Manual Online
For 1990-2009 cars only

 

1-2 Shift @ +/- 3 mph Output Shaft Speed

2-3 Shift @ +/- 4 mph Output Shaft Speed

3-4 Shift @ +/- 5 mph Output Shaft Speed

4-3 @ +/- 4 mph Output Shaft Speed

3-2 @ +/- 4 mph Output Shaft Speed

2-1 @ +/- 4 mph Output Shaft Speed

3rd Gear TCC Apply

4th Gear TCC Apply

% of TPS

12

25

50

12

25

50

12

25

50

0

50

0

50

0

50

12

25

12

25

Body

Axle

 

 

 

 

 

 

 

 

M15 Models

3LBB

M15

17

24

36

26

39

56

46

65

N/A

40

62

19

36

12

10

30

50

45

65

3LCB

M15

16

24

33

25

40

60

48

65

100

37

53

18

47

10

10

30

50

44

64

3RDB

M15

15

21

32

28

35

59

46

59

N/A

33

52

18

34

11

10

32

N/A

36

N/A

3LDB

M15

16

24

33

25

40

60

48

65

100

37

50

18

47

12

10

30

50

47

64