Chevrolet Sonic Repair Manual: Transmission Identification Information

456789

(1)	Code for Automatic Transmission
(2)	Model Year
(3)	Model for Transmission
(4)	Transmission Family
(5)	Source Code for Plant
(6)	Calender Year
(7)	Julian Date
(8)	Shift/Line (A/B)
(9)	Numeric sequence starting at 0001 @ 12:01 AM each day

Transmission General Description

The Hydra-matic 6T30/40/45/50 is a fully automatic, 6-speed, front-wheel drive, electronic-controlled transmission. It consists primarily of a 4-element torque converter, a compound planetary gear ...

Transmission Indicators and Messages

The following transmission-related indicators and messages may be displayed on the Instrument Panel Cluster (IPC). For a complete listing and description of all vehicle indicators and messag ...

Other materials:

Airbag Readiness Light
This light shows if there is an electrical problem with the airbag system. The system check includes the airbag sensor(s), passenger sensing system, the pretensioners (if equipped), the airbag modules, the wiring, and the crash sensing and diagnostic module. For more information on the airbag ...

Environmental Fallout (Acid Rain)
Caution: Refer to Clearcoat/Ultraviolet Screeners Caution. Note: Always refer to the manufacturer's packaged instructions for the detailed procedures of materials used for compounding and/or polishing. Since the severity of the condition varies from area to area, proper diagno ...

Separating Parts
Note: Disassembly of the piston, press fit design piston pin, and connecting rod may create scoring or damage to the piston pin and piston pin bore. If the piston, pin, and connecting rod have been disassembled, replace the components as an assembly. Many internal engine co ...