Camshaft timing chain, removing and installing: Installing
WARNING: This page is about a different car, the 2010 Audi A8, 2009 Audi A8, 2008 Audi A8, and 2007 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.
- Tightening torque → Camshaft timing chain, assembly overview .
NOTE:
- If the tensioning element was removed from the chain tensioner, note installation position: Hole in housing floor faces toward chain tensioner, piston faces toward tensioning rail.
- Replace bolts which have been tightened to torque.
- Replace gasket.
CAUTION:
Risk of damaging valves and piston crowns.
- If camshafts are rotated, crankshaft may not rest with any piston at "TDC".
- Press left and right camshaft timing chain guide rail inward - arrow - as far as stop and secure chain tensioner with Locking Pin T40071.
- Clean oil strainer - 2 - in both chain tensioners if necessary.
- Place a new gasket - 3 - onto rear of chain tensioner - 1 -.
- Insert chain tensioner in left cylinder head and position camshaft timing chain according to mark applied during removal, as shown in illustration.
- Tighten bolts - 1 and 2 -.
- Insert chain tensioner in right cylinder head and position camshaft timing chain according to mark applied during removal, as shown in illustration.
- Tighten bolts - 1 and 2 -.
Further installation is in reverse order of removal, note the following:
- Position camshaft timing chains on camshafts → Installing .
- Install lower timing chain cover → Timing chain lower cover, removing and installing .
- Install crankshaft seal, transmission side → Transmission-side crankshaft sealing ring, replacing .
- Install oil filter housing → Oil filter housing, removing and installing .
- Install intake manifold → 24 - MULTIPORT FUEL INJECTION (MFI) .
- Install left and right timing chain covers → Installing .
- Install cylinder head cover: Left → Left cylinder head cover, removing and installing , right → Right cylinder head cover, removing and installing .
- Install drive plate → Drive plate, removing and installing .
- Install automatic transmission → 37 - CONTROLS, HOUSING .
- Add engine oil and check oil level → Oil level, checking .