GM Service Manual Online
For 1990-2009 cars only

Shift Speed 1999 G-Van/4L60-E

 

1-2 Shift @ +/- 250 RPM Output Shaft Speed

2-3 Shift @ +/- 200 RPM Output Shaft Speed

3-4 Shift @ +/- 150 RPM Output Shaft Speed

3-1 @ +/- 100 RPM Output Shaft Speed

3-2 @ +/- 100 RPM Output Shaft Speed

3-1 Wide Open Throttle Shift

2-3 Wide Open Throttle Shift

MIN TCC Apply @ 12% Throttle (RPM)

% of TPS

12

25

50

12

25

50

12

25

50

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Trans Cal

Axle

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--

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4.3L (L35)

B

3.42/3.73

486

613

1121

867

1142

1882

1227

1544

2453

N/A

719

1396

5000

1586

C

3.73

492

603

1118

849

1140

1855

1207

1520

2414

N/A

715

1363

5000

1565

5.0L (L30)

B

3.42/3.73

444

592

1079

867

1058

1734

1184

1502

2432

N/A

783

1332

5000

1586

5.7L (L31)

B

3.42/3.73

444

592

1079

867

1058

1734

1184

1502

2432

N/A

783

1332

5000

1586

C

3.73

489

606

1072

932

1072

1748

1188

1515

2447

N/A

862

1305

5000

1584