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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System Description
The 4R70W has the following features:
- Wide ratio gears.
- Four speeds.
- Automatic.
- Electronic shift.
- Torque converter clutch control.
- Line pressure controls.
The transmission uses Ravigneaux-style double-pinion gearset with two bands, two one-way roller clutches and four friction clutches to produce four forward gears and reverse.
