Transmission Fluid Level, Checking

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2018 Audi S6, 2017 Audi S6, 2016 Audi S6, 2016 Audi S4, and 2015 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Used Oil Collection and Extraction Unit SMN372500 or Used Oil Collection and Extraction Unit VAG1782
Engine and Gearbox Jack VAS6931
Engine/Gearbox Jack - Gearbox Support T10337
Pressurized Gearbox Oil Filler Kit VAS6617
Protective eyewear

Procedure

Fig 1: Noise Insulation Panels

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NOTE:

Refer to GENERAL REPAIR INFORMATION .

Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

Do not confuse the transmission (MTF) chamber with the ATF chamber.

Gear oil at about 20 °C (68 °F) (room temperature).
Move vehicle onto a four-pillar shop hoist or over a work pit so that it is absolutely horizontal.
The Pressurized Gearbox Oil Filler Kit VAS6617 must be clean. Flush it with transmission fluid (MTF), if necessary. Do not mix other transmission fluids.
The transmission must be still for at least 15 minutes to make sure the oil settles internally.

-- Remove the rear noise insulation -2-. Refer to OVERVIEW - NOISE INSULATION .

Vehicles with an ATF Pipe Filter -arrow- on the Back of the Transmission on the Left Side

Fig 2: Identifying ATF Pipe Filter

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-- If installed: Remove the bolts -arrows- and air guide -A-.

Fig 3: Identifying Air Guide And Bolts

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-- Mount the Engine/Gearbox Jack - Gearbox Support T10337 on the Engine and Gearbox Jack VAS6931 and attach it under the transmission.

Fig 4: Supporting Transmission With Jack

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-- Raise the transmission slightly.

NOTE:

If the tunnel crossmember was removed in or to check or add transmission fluid, then it is necessary to bring the transmission back into its installed position after removing the tunnel crossmember. This is the only way the transmission fluid level can be adjusted correctly.

-- Remove the tunnel crossmember. Refer to TUNNEL CROSSMEMBER, REMOVING AND INSTALLING .

-- Remove the two bolts -2- and push the ATF pipe filter to the side.

Fig 5: Identifying ATF Pipe Filter

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NOTE:

Ignore item -1- and -arrow-.

Move the ATF pipe filter to the side. The fill and check plug for the transmission fluid (MFT) is not accessible.

Vehicles without an ATF Pipe Filter on the Back of the Transmission on the Left Side

NOTE:

It is not necessary to remove the tunnel crossmember if the vehicle does not have an ATF pipe filter on the back of the transmission on the left side.

Place a cloth over the tunnel crossmember to prevent transmission fluid (MTF) from getting into the cast pockets on the top.

-- Place a cloth over the tunnel crossmember.

All Vehicles

Fig 6: Identifying Fill And Check Plug

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-- Place the Used Oil Collection and Extraction Unit SMN372500 under the transmission.

WARNING:

Danger of eye injury.

Wear protective eyewear.

-- Remove the fill and check plug -arrow- on the side of the transmission housing.

The transmission fluid (MTF) must be up to the lower edge of the check- and fill hole.

If the transmission fluid (MTF) is below the lower edge of the check and fill hole:

-- Fill the transmission fluid (MTF) slowly using Pressurized Gearbox Oil Filler Kit VAS6617 until it starts to run out of the check- and fill hole.

Transmission fluid (MTF) specification.

-- Repeat the process every 15 seconds until it is not possible to add any more transmission fluid (MTF).

NOTE:

It is important to follow the waiting period to make sure the various oil spaces in the transmission are filled equally.

-- Tighten the plug.

Tightening specification. Refer to OVERVIEW - TRANSMISSION DRAIN AND INSPECTION PLUG FOR TRANSMISSION FLUID .

Install in reverse order, paying attention to the following:

Vehicles with an ATF pipe filter -arrow- on the back of the transmission on the left side:

Fig 7: Identifying ATF Pipe Filter

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-- Install the bolts -2-.

Tightening specifications:

Refer to ATF CIRCUIT .
Refer to Fig 8.

-- Install tunnel crossmember. Refer to TUNNEL CROSSMEMBER, REMOVING AND INSTALLING .

Vehicles without an ATF Pipe Filter on the Back of the Transmission on the Left Side

NOTE:

It is not necessary to clean the tunnel crossmember if the vehicle does not have an ATF pipe filter on the back of the transmission on the left side.

All the transmission fluid (MTF) must be removed completely if any transmission fluid (MTF) has gotten into the cast pockets on the top of the tunnel crossmember.

-- Remove the cloth from the tunnel crossmember.

-- Clean the tunnel crossmember and wipe off any remaining transmission fluid.

Fig 8: Identifying Air Guide And Bolts

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