GM Service Manual Online
For 1990-2009 cars only

Spring

Free Length mm (in)

Coil Outer Diameter mm (in)

Number of Coils

Color

Cooler By-Pass Valve Spring

24.50 (0.965)

8.00 (0.315)

9.8

None

Pressure Relief Valve Spring

18.00 (0.709)

7.00 (0.276)

7.5

Red

2-3 Shift Valve Spring

25.50 (1.004)

9.70 (0.382)

5.75

Red

2nd Coast Modulator Valve Spring

32.30 (1.272)

8.50 (0.335)

11.3

White

Cut-Back Valve Spring

18.80 (0.740)

7.50 (0.295)

5.5

None

Primary Regulator Valve Spring

41.60 (1.638)

16.90 (0.665)

7.5

Red

1-2 Shift Valve Spring

25.50 (1.004)

9.70 (0.382)

5.75

Red

Reverse Control Valve Spring

25.60 (1.008)

8.60 (0.339)

6.75

None

Accumulator Control Valve Spring

1.154

8.80 (0.346)

7.6

Pink

Low Coast Modulator Valve Spring

28.50 (1.122)

8.30 (0.327)

10.8

Blue