Audi Workshop Service and Repair Manuals

Removing and installing drive chain for valve gear

Special tools and workshop equipment required

t	Used oil collection and extraction unit -V.A.G 1782-

t	Locking pin -T40069-

t	Locking pin -T40071-

Removing l  Gearbox removed. –  Vehicles with manual gearbox: remove clutch pressure plate → Rep. Gr.30 and dual-mass flywheel → Chapter. –  Vehicles with multitronic gearbox: Remove damper unit → Chapter and flywheel → Chapter. –  Vehicles with automatic gearbox: remove drive plate → Chapter.   Note After the gearbox has been removed the engine is supported with support bracket -10-222 A- and the stop for the torque reaction support is detached.   WARNING Make sure that the lock carrier is installed on the vehicle before performing the following steps. –  Detach support bracket -10-222 A- from engine (attached previously in order to remove gearbox).

–  Secure stop for torque reaction support -arrows- (tighten bolts to 28 Nm). –  Remove cylinder head cover: left-side → Chapter, right-side → Chapter. –  Remove timing chain covers (left and right) → Chapter. –  Place used oil collection and extraction unit -V.A.G 1782- under engine. –  Drain off engine oil. –  Remove timing chain cover (bottom) → Chapter. –  Detach timing chains from camshafts → Chapter. –  Remove drive chain for auxiliary drives: vehicles up to 04.2006 → Chapter, vehicles from 04.2006 onwards → Chapter.

–  Press guide rail of chain tensioner for drive chain in direction of arrow and lock chain tensioner by inserting locking pin -T40071-. –  Mark running direction of chain with paint. –  Remove bolts -2- and -3- and detach chain sprockets together with drive chain and guide rail -1-.

Installing Installation is carried out in the reverse order; note the following: l  Crankshaft -1- locked in TDC position with locking pin -T40069-.

–  First install sprocket for camshaft timing chain (left-side) -2-. –  Install guide rail -1- with drive chain fitted. –  Now install sprocket for camshaft timing chain (right-side) -3-. –  Press guide rail of chain tensioner for drive chain in direction of -arrow- and pull locking pin -T40071- out of chain tensioner. –  Install drive chain for auxiliary drives: vehicles up to 04.2006 → Chapter, vehicles from 04.2006 onwards → Chapter. –  Install camshaft timing chains → Anchor. –  Install timing chain cover (bottom) → Chapter. –  Install crankshaft oil seal (timing chain end) → Chapter. –  Install oil filter housing → Chapter. –  Install timing chain covers (left and right) → Chapter. –  Install cylinder head cover: left-side → Chapter, right-side → Chapter. –  Vehicles with manual gearbox: Install dual-mass flywheel → Chapter and pressure plate → Rep. Gr.30. –  Vehicles with multitronic gearbox: Install flywheel → Chapter and damper unit → Chapter. –  Vehicles with automatic gearbox: install drive plate → Chapter. –  Fill up with engine oil and check oil level → Booklet803 or → Booklet805. Tightening torques

Component	Nm
Drive chain sprocket (left-side) to bearing bracket	6 + 60° 1)2)
Drive chain sprocket (right-side) to cylinder block	30 + 90° 1)3)
Screw plug in cylinder block	14 4)
l  1) Renew bolts. l  2) 60° = one sixth of a turn. l  3) 90° = one quarter turn. l  4) Install with new seal.