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Home >> Audi >> 2016 >> A3 TDI Prestige >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (CYLINDER HEAD, VALVETRAIN (4-Cylinder 2.0L 4V TFSI Engine) -- (A3 SEDAN)) >> 15 Cylinder Head, VALVETRAIN >> Timing Chain Cover >> Timing Chain Cover, Removing And Installing >> Lower Timing Chain Cover, Replacing >> Removing

Lower Timing Chain Cover, Replacing: Removing

WARNING: This page is about a different variant/trim than selected.

Depending on the model preliminary work may be required. Refer to TIMING CHAIN COVER, REMOVING AND INSTALLING [CNSB, CNTC, & CYFB] .

-- Remove the engine support. Refer to ENGINE SUPPORT, REMOVING AND INSTALLING [CNSB, CNTC, & CYFB] (DI - 1.8L/2.0L) / ENGINE SUPPORT, REMOVING AND INSTALLING [CNSB, CNTC, CYFB] (TFSI - 2.0L) .

-- Remove the vibration damper. Refer to VIBRATION DAMPER, REMOVING AND INSTALLING .

-- Remove the ribbed belt tensioner. Refer to RIBBED BELT TENSIONER, REMOVING AND INSTALLING .

-- Free up the clip -2- for the wiring harness.

GWWA17-10824Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -1-.

-- Unclip the oil dipstick tube on the upper timing chain cover in direction of -arrow- and remove from the lower timing chain cover.

-- Disconnect the connector -1- for the Oil Pressure Regulation Valve -N428-.

GWWA17-10826Courtesy of AUDI OF AMERICA, LLC

-- If equipped, remove the bolt -2- and remove the bracket -1- for the air duct pipe.

GWWA15-11813Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1 through 15-.

Fig 1: Lower Timing Chain Cover Bolts - Tightening Sequence (15 Bolts)
GWWA15-10397Courtesy of AUDI OF AMERICA, LLC

TIP: 

There may be only eight bolts installed, depending on the version.

-- Remove the lower timing chain cover from the bonding.