GM Service Manual Online
For 1990-2009 cars only

Shift Speed Table

 

1-2 Shift @ +/- 3 mph

2-3 Shift @ +/- 4 mph

3-4 Shift @ +/- 5 mph

Downshifts @ +/- 4 mph

TCC Apply 3rd Gear

% of TPS

10

25

50

10

25

50

10

25

50

4-3 Coast

3-2 Coast

2-1 Coast

10%

Model

Engine RPO

 

 

 

 

 

WXJ

LA1

12

19

30

20

37

56

39

53

90

36

14

9

26

MXJ (GT)

LA1

11

18

28

19

34

52

39

49

97

36

13

8

24

WHR

LD9

10

19

31

23

35

57

40

56

95

35

17

8

27