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Home >> Audi >> 2024 >> S6 Prestige >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Engine Assembly (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine Ea 839) >> 10 Engine Assembly >> Engine, Removing And Installing >> Engine And Transmission, Separating >> Engine And Transmission, Separating, 2.9L Engine

Engine And Transmission, Separating, 2.9L Engine

Special tools and workshop equipment required 

Procedure

-- Remove the front muffler. Refer to FRONT MUFFLER, REMOVING AND INSTALLING .

-- Remove the catalytic converters. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .

-- Free up the wiring harnesses on the bracket -arrow-.

GWWA10-12240Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring duct -4- on the right coolant pipe and on the subframe.

GWWA19-12805Courtesy of AUDI OF AMERICA, LLC

-- Remove the nut -2- and bolt -3- and move the right coolant pipe to the side.

-- Remove the bolts -arrows- and the left coolant pipe.

GWWA19-12761Courtesy of AUDI OF AMERICA, LLC

-- Remove the rear bolts -arrows- on the crossbrace end panel.

GWWA10-12241Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -arrow- on the retaining clamp.

GWWA10-12349Courtesy of AUDI OF AMERICA, LLC
GWWA10-12017Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of accident due to the heavy weight of the subframe.

- A second technician is required for the following work steps.

-- Remove the left and right bolt -2- and remove the subframe to the side to do so remove the supporting mounting element. (Shown with the engine installed.)

-- Remove the bolts -arrows- and push the ATF cooler slightly to the side with the ATF pipe/hose lines -1 and 4- attached.

GWWA37-11221Courtesy of AUDI OF AMERICA, LLC

-- Remove the lower cover -1- from the transmission in direction of -arrow-.

GWWA10-11774Courtesy of AUDI OF AMERICA, LLC
GWWA10-12179Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of damaging the engine by the timing mechanism skipping.

- Only let the engine turn in the direction of engine rotation.

-- To loosen the bolts, counterhold the crankshaft using the Wrench - 21mm:T40263  and Adapter Adapter:T40314  on the vibration damper.

-- Remove the six bolts -arrow- on the drive plate -1-. Turn the crankshaft an additional 60° in the direction of engine rotation.

GWWA37-11222Courtesy of AUDI OF AMERICA, LLC

-- Equip the Scissor Lift Table:VAS6131B  as follows:

Fig 6: Scissor Lift Chart
GWWA10-11888Courtesy of AUDI OF AMERICA, LLC
Table Coordinates Components from the Scissor Lift Table - Audi Set:VAS6131/10  , Adapter:VAS6131/11-3  and Scissor Lift Table - A6 Set - Mounting Pins:VAS6131/12-2 
C7 /10-1 /12-2 /10-5 /10-12
E7 /10-1 /12-2 /10-5 /10-12
C10 /10-1 /10-4 /10-5 /10-12
F10 /10-1 /10-4 /10-5 /11-3

-- Place the left and right mounting elements from the Scissor Lift Table - Audi Set :VAS6131/10  and Scissor Lift Table - A6 Set - Mounting Pins:VAS6131/12-2  on the engine.

GWWA10-11974Courtesy of AUDI OF AMERICA, LLC

-- Place the mounting element from the Scissor Lift Table - Audi Set :VAS6131/10  on the left side of the transmission.

GWWA10-11881Courtesy of AUDI OF AMERICA, LLC

-- Place the mounting element from the Scissor Lift Table - Audi Set :VAS6131/10  and Scissor Lift Table - A8 Set Adapter:VAS6131/11-3  on the right of the transmission.

GWWA10-11976Courtesy of AUDI OF AMERICA, LLC

-- Turn the left and right spindles upward until all the mounting pins come into contact with the mounting points.

-- Tighten the mounting element base plates to 20 Nm on the Scissor Lift Table:VAS6131B  .

-- Remove the bolts -2 through 11- that attach the engine to the transmission.

Fig 7: Engine to Transmission Bolts And Alignment Sleeves -A-
GWWA37-11081Courtesy of AUDI OF AMERICA, LLC

-- Loosen the bolt -1- for the starter.

-- Loosen the clamping screws on the side of the Scissor Lift Table:VAS6131B  and pull the rear table top with the transmission slightly to the rear -arrow-. While doing so, remove the starter bolt completely.

GWWA10-11982Courtesy of AUDI OF AMERICA, LLC

-- Pull the transmission all the way to the rear. If necessary, lower it slightly using the front spindles.