Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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On-Vehicle Service

Automatic Transmission - 4L60-E

Transmission Fluid Temperature (TFT) Sensor Specifications

Fastener Tightening Specifications

Transmission General Specifications

Fluid Capacity Specifications

Range Reference

Shift Solenoid Valve State and Gear Ratio

Torque Converter End Play Specifications

Shift Speed.

Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic

Transmission Range Switch Logic

Component Resistance

Line Pressure

Automatic Transmission - 4L80-E

Transmission Fluid Temperature (TFT) Sensor Specifications

Fastener Tightening Specifications

Transmission General Specifications

Fluid Capacity Specifications

Range Reference

Shift Solenoid Valve State and Gear Ratio

Shift Speed

Transmission Range Switch Logic

Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic (Gas)

Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic (Diesel)

Line Pressure

Component Resistance