Gear Oil, Checking Level, Transfer Case

WARNING: This page is about a different car, the 2015 Audi Q5, 2014 Audi Q5, and 2013 Audi Q5. 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
Pressurized Gearbox Oil Filler Kit VAS6617
Protective eyewear

Procedure

Gear oil temperature: approximately 20 °C (68 °F) (room temperature).
Move the vehicle onto a four-column shop hoist or over a work pit so it is completely level.
The transmission must be still for at least 15 minutes to make sure the oil settles internally.
Tightening specification, refer to OVERVIEW - TRANSMISSION DRAIN AND INSPECTION PLUG FOR GEAR OIL .

NOTE:

General repair instructions, refer to GENERAL REPAIR INFORMATION .

Clean working conditions for the automatic transmission, refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

Replace the plug for the ATF check and fill hole.

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

WARNING:

Danger of eye injury.

Wear protective eyewear.

-- Remove the drain plug -arrow A- from the center differential housing.

Fig 1: Drain Gear Oil From Transfer Case

Courtesy of AUDI OF AMERICA, LLC

Specified value: The level is correct when the transmission fluid comes up to the bottom edge of oil filler hole.

If the level does not reach the bottom of the oil fill hole:

Fig 2: Installing Adapter VAS 6617/6 & Adapter VAS 6617/2 In Inspection & Fill Hole In Transfer Case

Courtesy of AUDI OF AMERICA, LLC

-- Install the Pressurized Gearbox Oil Filler - Adapter 6 VAS6617/6 with the Pressurized Gearbox Oil Filler - Adapter 2 VAS6617/2 in the check and fill hole in the transfer case and tighten by hand.

-- Connect the Pressurized Gearbox Oil Filler Kit VAS6617 and fill the transfer case with gear oil.

Transmission fluid, allocate correct fluid.

-- Wait five minutes.

NOTE:

The inside of the transfer case is divided into several oil chambers. The chambers must be filled equally.

A filling time of at least 5 minutes is required so that the internal oil level between the center differential and oil fill space can equalize.

-- Remove the Pressurized Gearbox Oil Filler - Adapter 6 VAS6617/6 from the transmission and let any extra oil drain out.

Specified value: The level is correct when the transmission fluid comes up to the bottom edge of oil filler hole. If needed, fill the gear oil again.

-- Tighten the new drain plug -arrow A- for the center differential housing.

Fig 3: Drain Gear Oil From Transfer Case

Courtesy of AUDI OF AMERICA, LLC