Transmission Fluid, Draining And Filling: Draining
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NOTE:
The S tronic transmission does not have any drain plug for the transmission fluid system. To drain the transmission fluid, the transmission fluid pump must be removed.
General repair instructions. Refer to REPAIR INFORMATION .
Guidelines for clean working conditions. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .
- Transmission fluid temperature at approximately 20 °C (68 °F) (room temperature).
- Move vehicle onto a four-pillar workshop hoist or over a work pit so that it is absolutely horizontal.
- Remove the rear noise insulation. Refer to OVERVIEW - NOISE INSULATION / NOISE INSULATION, REMOVING AND INSTALLING .
- Equipped on some models; remove the bolts -arrows- and nut -2-.
- Remove the end panel -1- for the crossbrace.
- Place the Used Oil Collection and Extraction Unit SMN372500- underneath.
WARNING:
Danger of eye injury.
- Wear protective eyewear.
CAUTION:
Risk of electrical corrosion.
- There must not be any transmission fluid (MTF) in the connector area.
- Do NOT disconnect the connector -2-.
NOTE:
When removing the oil pump, the transmission drains abruptly.
- Remove the bolts -arrows- and remove the oil pump -1- and secure with wire so that it does not fall.
- Drain the transmission fluid (MTF).
CAUTION:
Risk of damaging the transmission.
Without any or with too little manual transmission fluid (MTF) inside the transmission:
- Do not start the engine.
- Do not tow the vehicle.
-- Install the oil pump. Refer to TRANSMISSION FLUID PUMP, REMOVING AND INSTALLING .