GM Service Manual Online
For 1990-2009 cars only
Table 1: General Specifications
Table 2: Performance -- Manual Transmission
Table 3: Manual Transmission
Table 4: Transaxle Case Surface and Bearing Outer Races Clearance Table
Table 5: Side Gear Axle Direction Play Table

General Specifications

Application

Specification

Metric

English

General

  • Type - Forward Gear

Synchronized Mesh Type

  • Type - Reverse Gear

Sliding Mesh Type

  • Gear Ratio - 1st

3.416

  • Gear Ratio - 2nd

1.950

  • Gear Ratio - 3rd

1.280

  • Gear Ratio - 4th

0.971

  • Gear Ratio - 5th

0.757

  • Gear Ratio - Reverse

3.272

  • Final Drive Ratio

4.105

  • Fluid Capacity

2.1 L

2.21 qt

  • Fluid Classification

75W-85

GL-4

Service

  • Key Groove Width of Synchronizer Ring - Standard - 1st Gear

9.6 mm

0.378 in

  • Key Groove Width of Synchronizer Ring - Limit - 1st Gear

10.0 mm

0.394 in

  • Key Groove Width of Synchronizer Ring - Standard - 2nd, 3rd, 4th Gear

9.6 mm

0.378 in

  • Key Groove Width of Synchronizer Ring - Limit - 2nd, 3rd, 4th Gear

10 mm

0.394 in

  • Key Groove Width of Synchronizer Ring - Standard - 5th Gear

9.4 mm

0.370 in

  • Key Groove Width of Synchronizer Ring - Limit - 5th Gear

9.8 mm

0.386 in

  • Shift Fork End Thickness for Low Speed Shift Fork - Standard - 1st-2nd Gear

8.7 mm

0.343 in

  • Shift Fork End Thickness for Low Speed Shift Fork - Limit - 1st-2nd Gear

8.1 mm

0.319 in

  • Shift Fork End Thickness for Low Speed Shift Fork - Standard - 3rd-4th Gear

7.8 mm

0.307 in

  • Shift Fork End Thickness for Low Speed Shift Fork - Limit - 3rd-4th Gear

7.2 mm

0.283 in

  • Shift Fork End Thickness for Low Speed Shift Fork - Standard - 5th Gear

7.8 mm

0.307 in

  • Shift Fork End Thickness for Low Speed Shift Fork - Limit - 5th Gear

7.2 mm

0.283 in

  • Clearance Between Gear and Synchronizer Ring - Standard

1.0 mm

0.039 in

  • Clearance Between Gear and Synchronizer Ring - Limit

0.5 mm

0.020 in

  • Clearance Between Sleeve and Shift Fork - Standard

0.2-0.6 mm

0.008-0.024 in

  • Clearance Between Sleeve and Shift Fork - Limit

1.0 mm

0.039 in

  • Thrust Free Play of Differential Side Gear

0.03-0.4 mm

0.001-0.016 in

Performance -- Manual Transmission

Application

Specification

Metric

English

Maximum Speed

152 km/h

95.5 mph

Minimum Turning Radius

4.52 m

15 ft

Manual Transmission

Application

Specification

Metric

English

Gear Ratio:

  • 1st

3.417:1

  • 2nd

1.950:1

  • 3rd

1.280:1

  • 4th

0.914:1

  • 5th

0.758:1

  • Reverse

3.273:1

Final Drive Ratio

  • W/Europe

4.444:1

  • General Area

4.444:1

Maker

DWMC

Oil Capacity

2.1 liters

2.22 quarts

Type or Model

Y4M

Transaxle Case Surface and Bearing Outer Races Clearance Table

Measured value

Shim thickness

0.33- 0.37 mm (0.0130-0.0146 in)

0.45 mm (0.0177 in)

0.38-0.42 mm (0.0147-0.0165 in)

0.50 mm (0.0197 in)

0.43-0.47 mm (0.0169-0.0185 in)

0.55 mm (0.0217 in)

0.48-0.52 mm (0.0189-0.0205 in)

0.60 mm (0.0236 in)

0.53-0.57 mm (0.0209-0.0224 in)

0.65 mm (0.0256 in)

0.58-0.62 mm (0.0228-0.0244 in)

0.70 mm (0.0276 in)

0.63-0.67 mm (0.0248-0.0264 in)

0.75 mm (0.0295 in)

0.68-0.72 mm (0.0268-0.0283 in)

0.80 mm (0.0315 in)

0.73-0.77 mm (0.0287- 0.0303 in)

0.85 mm (0.0335 in)

0.78-0.82 mm (0.0307-0.0323 in)

0.90 mm (0.0354 in)

0.83-0.87 mm (0.0327-0.0343 in)

0.90 mm (0.0354 in)

0.88-0.92 mm (0.0346-0.0362 in)

1.00 mm (0.0394 in)

0.93-0.97 mm (0.0366-0.0382 in)

1.05 mm (0.0413 in)

0.98-1.02 mm (0.0386-0.0402 in)

1.10 mm (0.0433 in)

1.03-1.07 mm (0.0406-0.0421 in)

1.15 mm (0.0453 in)

Side Gear Axle Direction Play Table

Application

Specification

Metric

English

Thrust Adjusting Shim

0.90-0.95 mm

0.0354-0.0374 in

1.00-1.05 mm

0.0394-0.0413 in

1.10-1.15 mm

0.0433-0.0453 in

1.20 mm

0.0472 in

Thrust Free Play of Differential Side

0.05-0.33 mm

0.0020-0.0130 in