Overview - ATF System
Danger of causing damage to the transmission.
- Do not start the engine when there is no ATF in the transmission or if the ATF pan has been removed.
Always replace the Mechatronic unit if it is dirty or defective.
Clean working conditions for the automatic transmission, refer to CLEAN WORKING CONDITIONS, GUIDELINES .
General repair instructions, refer to GENERAL REPAIR INFORMATION .
Coat O-rings and seals with ATF. Other lubricant causes the hydraulic Transmission Control Module (TCM) to malfunction.
- ATF Pan
- Removing and installing, refer to OIL PAN, REMOVING AND INSTALLING .
- Seal
- Replacing
- ATF Filter
- Removing and installing, refer to ATF FILTER, REMOVING AND INSTALLING
- O-Ring
- Replacing
- Bolt
- Mechatronic
- Removing and installing, refer to MECHATRONIC, REMOVING AND INSTALLING
- O-Ring
- Replacing
- O-Rings
- Replacing
- Seals
- Replacing
- Connector Housing
- Bolt
- 5.5 Nm
- ATF Pipe
- Bolt
- 10 Nm
- O-Ring
- Replacing
- Present depending on the date of manufacture
- For connecting the hydraulic pulse memory
- Hydraulic Pulse Memory with Accumulator Solenoid -N485-
- Present depending on the date of manufacture
- Removing and installing, refer to HYDRAULIC PULSE MEMORY WITH Accumulator Solenoid -N485-, REMOVING AND INSTALLING .
- Bolt
- Present depending on the date of manufacture
- Tightening specification and sequence, refer to Fig 5.
- Magnets
- Make sure the entire surface contacts the ATF filter
- Clean before installation
- Bolt
- Replacing
- Tightening specification and sequence, refer to Fig 2.
- Oil Drain Plug
- For the ATF in the transmission
- Tightening specification 12 Nm.
Replaced the bolts for the ATF pan.
-- Tighten the bolts in three steps according to the listed sequence:
| Step | Bolts | Tightening Specification/Additional Turn |
|---|---|---|
| 1. | -1 to 12- | Install the new bolts by hand until the bolt heads touch |
| 2. | -1 to 12- | 4 Nm |
| 3. | -1 to 12- | 45° additional turn |
-- Tighten the bolts to 10 Nm in the sequence -1 to 19-.
Bolts -18 and 19- are shorter.
The bolt -18- attaches the Transmission Output Speed Sensor -G195- to the transmission housing.
Bolt -19- attaches the Mechatronic connector to the transmission housing.
-- Tighten the bolts to 10 Nm in the following sequence -1 through 17-.
-- Remove hydraulic pulse memory -A-, refer to HYDRAULIC PULSE MEMORY WITH Accumulator Solenoid -N485-, REMOVING AND INSTALLING .
-- Tighten the bolts to 10 Nm in the following sequence: -18 to 21-.
The bolts -18, 19 and 20- secure the hydraulic pulse memory.
-- Tighten the bolts to 10 Nm in the sequence -1 to 3-.