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Home >> Audi >> 2021 >> SQ8 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Crankshaft, Cylinder Block (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825) >> 13 Crankshaft, Cylinder Block >> Crankshaft >> Crankshaft, Removing And Installing >> Removing

Crankshaft, Removing And Installing: Removing

-- Remove the pistons. Refer to PISTONS, REMOVING AND INSTALLING .

-- Remove the belt pulley side sealing flange. Refer to SEALING FLANGE, REMOVING AND INSTALLING, BELT PULLEY SIDE .

-- Press the tensioning rail in the -direction of the arrow- and secure it with a Locking Pin:T40011  .

GWWA13-11219Courtesy of AUDI

-- Remove the bolts -2- and remove the guide rail -1-.

-- Loosen the oil pump and remove with the chain. Refer to OIL PUMP, REMOVING AND INSTALLING .

-- Lock the gear backlash on the gear, to do so insert the Locking Tool:T40362  all the way in the gear.

GWWA13-11316Courtesy of AUDI

-- Turn the locking tool 90° counter-clockwise -arrow-.

-- Remove the bolts -1 through 10-.

Fig 1: Bearing Cap Tightening Sequence (2 of 2)
GWWA13-11271Courtesy of AUDI

-- Remove the bolts -1 through 20-.

Fig 2: Bearing Cap - Tightening Specifications and Sequence
GWWA13-11270Courtesy of AUDI

-- Remove the left front plug -arrow-.

GWWA13-11317Courtesy of AUDI

-- Position the prepared Extracting Tool:T40332  on the affected bearing cap and secure it by turning the Threaded Pin -arrows- using the Torx Screw Driver - T25:T10248  on the left and right side until it stops.

GWWA13-11330Courtesy of AUDI

-- Tighten the Puller - Unit Injector:T10055  on the Extracting Tool:T40332  , and remove the bearing cap.

-- Repeat the procedure on the remaining bearing cap and remove the crankshaft.