GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Optra 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - ZF 4HP 16 🢒 Transmission Gear Ratio

Gear

Ratio

First

2.719

Second

1.487

Third

1.000

Fourth

0.717

Reverse

2.529

Final - 1.8L

3.945:1