Camshaft Timing Chain, Removing From Camshafts: Installing
Replace any bolts that were tightened with an additional turn.
Secure all hose connections with hose clamps of the same type as those equipped by the factory.
- The timing mechanism drive chain is installed. Refer to TIMING MECHANISM DRIVE CHAIN, REMOVING AND INSTALLING .
- Crankshaft locked in "TDC" position with :T40264/3
- :T40264/2
tightened on the left cylinder head to 12 Nm -arrows-.
- :T40264/1
tightened on the right cylinder head to 12 Nm -arrows-.
Cylinder Bank 1 (Right):
The engine could be damaged.
- The camshaft adjuster must only be installed according to the following work steps.
-- Install the camshaft adjuster according to the marks applied during removal.
- The groove -1 and/or 4- in the camshaft adjuster must align with the adjustment window -2 and/or 3-.
-- Install the camshaft adjuster according to the marks applied during removal.
-- Position the camshaft timing chain on the drive sprocket and the camshaft adjuster and loosely install bolts -1 and 2-.
- Both camshaft adjusters must be able to still be rotated on camshaft and must not tip.
-- Remove the :T40071 .
Cylinder Bank 2 (Left):
The engine could be damaged.
- The camshaft adjuster must only be installed according to the following work steps.
-- Install the camshaft adjuster according to the marks applied during removal.
- The groove -1 and/or 4- in the camshaft adjuster must align with the adjustment window -2 and/or 3-.
-- Install the camshaft adjuster according to the marks applied during removal.
-- Position the camshaft timing chain on the drive sprocket and the camshaft adjuster and loosely install bolts -1 and 2-.
- Both camshaft adjusters must be able to still be rotated on camshaft and must not tip.
-- Remove the :T40071 .
Cylinder Bank 1 (Right):
-- Position the :T40269 on the camshaft adjuster for the intake camshaft.
-- Position the :VAG1332 with the :VAG1332/9 on the :T40269 .
-- Have a second technician pre-tension the camshaft adjuster in the direction of -arrow- to 40 Nm.
-- Tighten the bolts as follows while the camshaft adjuster is still held under tension.
| Step | Bolt | Tightening Specification |
|---|---|---|
| 1. | -1- | To the camshaft to 60 Nm |
| 1. | -2- | To the camshaft to 60 Nm |
-- Remove the :T40269 .
-- Remove the :T40264/1 -arrows-.
Cylinder Bank 2 (Left):
-- Position the :T40269 on the camshaft adjuster for the exhaust camshaft.
-- Position the :VAG1332 with the :VAG1332/9 on the :T40269 .
-- Have a second technician pre-tension the camshaft adjuster in the direction of -arrow- to 40 Nm.
-- Tighten the bolts as follows while the camshaft adjuster is still held under tension.
| Step | Bolt | Tightening Specification |
|---|---|---|
| 1. | -1- | To the camshaft to 60 Nm |
| 1. | -2- | To the camshaft to 60 Nm |
-- Remove the :T40269 .
-- Remove the :T40264/2 -arrows-.
Cylinder Bank 1 (Right):
-- Tighten the camshaft adjuster bolts on the right cylinder head as follows:
| Step | Bolt | Tightening Specification |
|---|---|---|
| 2. | -1- | Final tightening specification at the camshaft. Refer to OVERVIEW - CAMSHAFT TIMING CHAINS . |
| 2. | -2- | Final tightening specification at the camshaft. Refer to OVERVIEW - CAMSHAFT TIMING CHAINS . |
Cylinder Bank 2 (Left):
-- Tighten the camshaft adjuster bolts on the left cylinder head as follows:
| Step | Bolt | Tightening Specification |
|---|---|---|
| 2. | -1- | Final tightening specification at the camshaft. Refer to OVERVIEW - CAMSHAFT TIMING CHAINS . |
| 2. | -2- | Final tightening specification at the camshaft. Refer to OVERVIEW - CAMSHAFT TIMING CHAINS . |
Continuation for Both Cylinder Banks:
-- Remove the :T40264/3 .
-- Turn the crankshaft two turns in the direction of engine rotation -arrow- using the :T40263 and :T40272 until the crankshaft is once again at "TDC".
If it is accidentally rotated beyond "TDC", rotate it back approximately 30° and set it to "TDC" again.
The right camshaft housing is shown.
-- Install the Camshaft Lock :T40264/3 at the vibration damper opening all the way by hand into the cylinder block.
- The camshaft locating tool :T40264/3 must engage into the hole in the cylinder; if not, repeat the adjustment.
The right camshaft housing is shown.
-- Remove the :T40264/3 .
Further installation is performed in reverse order of removal, while noting the following:
Audi S6/RS6/RS7:
-- Install the radiator, with the fan shroud. Refer to RADIATOR, REMOVING AND INSTALLING, AUDI S6/S7 .
Audi S7:
-- Install the fan shroud. Refer to FAN SHROUD, REMOVING AND INSTALLING .
Continuation for All Vehicles:
-- Install the ignition coil for cylinder "7". Refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .
-- Install the wires. Refer to RELAY CARRIERS, FUSE PANELS AND E-BOXES and the Appropriate Wiring Diagram.
-- Install the vacuum pipe adjusting element for the turbocharger. Refer to OVERVIEW - TURBOCHARGER .
-- Install the high pressure pipe. Refer to HIGH PRESSURE PIPE, REMOVING AND INSTALLING .
-- Install air filter insert.
-- Install the timing chain cover. Refer to TIMING CHAIN COVER, REMOVING AND INSTALLING .