GM Service Manual Online
For 1990-2009 cars only

Shift Speed (G Van 4L60-E)

 

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

2-3 Upshift @ +/- 250 RPM Output Shaft Speed

3-4 Upshift @ +/- 250 RPM Output Shaft Speed

1-2 Upshift @ Wide Open Throttle +/- 250 RPM, Output Shaft Speed

2-3 Upshift @ Wide Open Throttle +/- 250 RPM, Output Shaft Speed

3-1 Wide Open Throttle Downshift +/- 100 RPM, Output shaft Speed

MIN TCC Apply @ 12% (RPM)

% of TPS

12

25

50

12

25

50

12

25

50

--

--

--

--

Trans Cal

Body

Axle

--

--

--

4.3L (LU3)

B

G

3.42

486

613

1120

866

1141

1880

1292

1626

2584

1521

2915

1331

1585

C

GMT600

3.73

492

604

1118

850

1140

1855

1207

1520

2414

1520

2682

1341

1565

4.8L (LR4)

A

G

3.42

431

607

1038

764

999

1666

1078

1509

2547

1815

3166

1333

1568

B

G

3.73

419

608

1027

755

1006

1677

1070

1488

2537

1816

3162

1300

1572

5.3L (LM7)

A

G

3.42

431

607

1038

764

1000

1666

1077

1509

2547

1815

3166

1332

1568

B

G

3.73

391

568

960

705

940

1568

1000

1391

2370

1697

2955

1215

1470