GM Service Manual Online
For 1990-2009 cars only
Table 1: Upper Control Valve Body Springs - Specification
Table 2: Intermediate Control Valve Body Springs - Specification
Table 3: Lower Control Valve Body Springs - Specification

Name

Jatco JF405E

RPO Codes

--

Production Location

--

Vehicle Platform

M

Engine/Transmission

0.8L

Transmission Drive

Transverse Mounted Front Wheel Drive

Maximum Engine Torque @ 4600 rpm

68.6 N·m (50.6 lb ft)

Maximum Power @ 5900 rpm

37.5 kw (50.3 hp)

1 st Gear Ratio

2.914:1

2 nd Gear Ratio

1.525:1

3 rd Gear Ratio

1.000:1

4 th Gear Ratio

0.725:1

Reverse

2.642:1

Final Drive Ratio

3.579:1

Transmission Fluid Capacity - Approximately

4.78L (5.05 qt)

Tramission Type: J

Jatco

Tramission Type: F

Front Wheel Drive Transverse Mount

Tramission Type: 405

Product Series 4 Speed Automatic

Tramission Type: E

Electronic Controls

Position Quadrant

P, R, N, D, 2, L

Case Material

Die Cast Aluminum

Gross Vehicle Weight (GVW)

1,168 kg (2575 lbs)

Number of Clutches

--

Low Clutch

6

Hight Clutch

3

Reverse Clutch

2

Low and Reverse Brake

6

Servo Size

56-35

Oil Pump

Trochoid Oil Pump

Driving System

Engine Driven

Upper Control Valve Body Springs - Specification

Srping Name

Outer Diameter

Free Length

No. of Effective Coils

Wire Diameter

Metric

English

Metric

English

Coils

Metric

English

Neutral Shift Valve Spring

7.0 mm

0.27 in

19.9 mm

0.4 in

7.3

0.65 mm

0.02 in

Throttle Pressure Accumulator Spring

1.0 mm

0.004 in

36.0 mm

1.4 in

9.77

1.6 mm

0.06 in

Shift Valve A Spring

9.0 mm

0.35 in

28.7 mm

1.1 in

8.25

0.8 mm

0.03 in

Pressure Modifier Valve Spring

9.0 mm

0.35 in

27.0 mm

1.0 in

8.4

0.7 mm

0.02 in

Line Pressure Relief Valve Spring

9.6 mm

0.37 in

69.3 mm

2.7 in

22.5

1.6 mm

0.06 in

Intermediate Control Valve Body Springs - Specification

Spring Name

Outer Diameter

Free Length

No. of Effective Coils

Wire Diameter

Metric

English

Metric

English

Coils

Metric

English

1-2 Modulator Valve Spring

9.0 mm

0.35 in

23.0 mm

0.90 in

7.3

0.6 mm

0.02 in

Neutral Control Valve Spring

7.8 mm

0.30 in

27.6 mm

1.08 in

8.1

0.4 mm

0.01 in

Lock-Up Control Valve Spring

14.0 mm

0.55 in

33.0 mm

1.29 in

5.57

1.1 mm

0.04 in

Servo Release Timing Valve Spring

11.0 mm

0.43 in

20.7 mm

0.81 in

4.7

0.65 mm

0.02 in

Shift Valve B Spring

10.0 mm

0.39 in

35.0 mm

1.37 in

9.9

0.9 mm

0.03 in

Accumulator Control Valve Spring

7.8 mm

0.30 in

27.6 mm

1.08 in

8.1

0.4 mm

0.01 in

Pressure Regulator Valve Spring

15.0 mm

0.59 in

44.6 mm

1.75 in

8.5

1.0 mm

0.03 in

Pilot Valve Spring

9.1 mm

0.50 in

25.4 mm

0.99 in

8.3

1.1 mm

0.04 in

Lower Control Valve Body Springs - Specification

Spring Name

Outer Diameter

Free Length

No. of Effective Coils

Wire Diameter

Metric

English

Metric

English

Coils

Metric

English

Torque Converter Relief Valve Spring

9.0 mm

0.35 in

34.4 mm

1.35 in

12.1

1.4 mm

0.05 in

1-2 Accumulator Spring

19.0 mm

0.7 in

52.8 mm

2.07 in

9.5

2.1 mm

0.08 in

Throttle Pressure Accumulator Spring - Outer

19.0 mm

0.7 in

76.0 mm

2.99 in

11.5

1.6 mm

0.06 in

Throttle Pressure Accumulator Spring - Inner

15.3 mm

0.6 in

76.0 mm

2.99 in

12.7

1.2 mm

0.04 in

Low Clutch Accumulator Spring - Outer

19.0 mm

0.7 in

76.0 mm

2.99 in

11.5

1.6 mm

0.06 in

Low Clutch Accumulator Spring - Inner

15.3 mm

0.6 in

76.0 mm

2.99 in

12.7

1.2 mm

0.04 in