Camshaft Timing Chains, Removing From Camshafts: Installing

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

Tightening specifications. Refer to OVERVIEW - CAMSHAFT TIMING CHAINS

NOTE:

Replace any bolts that were tightened with an additional turn.

CAUTION:

Risk of damaging valves and piston crowns.

If camshafts are rotated, crankshaft may not rest with any piston at "TDC".

The timing mechanism drive chain is installed. Refer to TIMING MECHANISM DRIVE CHAIN, REMOVING AND INSTALLING .

Fig 1: Crankshaft Locking Pin T40069
Courtesy of AUDI OF AMERICA, LLC
Secure crankshaft -1- in "TDC" position using Crankshaft Locking PinT40069.

Secure the camshafts in the "TDC" position on both cylinder heads using the Camshaft ClampT40133 -arrows- (25 Nm).

Fig 2: Camshaft Adjuster T40133
Courtesy of AUDI OF AMERICA, LLC

NOTE:

The cylinder head for cylinder bank 2 (left) is shown in the illustration.

CAUTION:

The engine could be damaged.

The camshaft chain sprockets must only be installed according to the following work steps:

Install the camshaft chain sprockets according to the marks applied during removal.
When mounting the camshaft chain sprockets, make sure that the pins on the camshaft chain sprockets engage in the holes on the camshafts -arrows-.

Fig 3: Identifying Camshaft Sprocket Pins And Holes On Camshafts
Courtesy of AUDI OF AMERICA, LLC

Turn the camshaft chain sprocket on the camshaft counterclockwise until it stops -arrow-.

Fig 4: Turning Camshaft Chain Sprocket
Courtesy of AUDI OF AMERICA, LLC

The marking point -1- must align with the adjustment window -2-.

Fig 5: Aligning Marking Point With Adjustment Window
Courtesy of AUDI OF AMERICA, LLC

CAUTION:

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- in the camshaft adjuster must align with the adjustment window -2-.

Fig 6: Aligning Camshaft Adjuster Groove With Adjustment Window
Courtesy of AUDI OF AMERICA, LLC

-- Mount the left camshaft timing chain onto the drive chain sprocket, install the camshaft adjuster and camshaft chain sprocket and install the bolts -1 and 2- loosely.

Fig 7: Identifying Cylinder Cover Bolts -1 And 2-

Courtesy of AUDI OF AMERICA, LLC

The camshaft adjuster and the camshaft chain sprocket must be able to still be rotated on camshaft and must not tip.

-- Remove the Locking PinT40071.

-- Install the camshaft adjuster on the right cylinder head according to the markings applied during removal.

Fig 8: Identifying Right Camshaft Adjuster And Camshaft Sprocket Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Mount the right camshaft timing chain onto the drive chain sprocket, install the camshaft adjuster and camshaft chain sprocket and install the bolts -1 and 2- loosely.

The camshaft adjuster and the camshaft chain sprocket must be able to still be rotated on camshaft and must not tip.

-- Remove the Locking PinT40071.

-- Mount the Wrench - Pin Type3212 onto the camshaft chain sprocket for the right exhaust camshaft.

Fig 9: Counterhold Exhaust Camshaft With 3212

Courtesy of AUDI OF AMERICA, LLC

-- Have a second technician hold the camshaft timing chain tensioned by pressing on the camshaft sprocket in the direction of the -arrow-.

-- Tighten the bolts as follows while the camshaft chain sprocket is still held under tension.

Step	Bolt	Tightening Specification
1.		to the exhaust camshaft 80 Nm
1.	-1-	to the intake camshaft 80 Nm

For Camshaft Adjusters with Three Notches

Fig 10: Counterholding Affected Camshaft Adjuster (Camshaft Adjusters With Three Notches)

Courtesy of AUDI OF AMERICA, LLC

-- Position the Wrench - CamshaftT40269 special wrench on the camshaft adjuster for the camshaft adjuster.

-- Install the Torque Wrench 1332 5-50NmVAG1331 with the Torque Wrench 1332 Insert - Open Ring Wrench - 24mmVAG1332/9 on the Wrench - CamshaftT40269.

-- Have a second technician hold the camshaft timing chain tensioned to approximately 40 Nm by pressing the Torque Wrench 1332 40-200Nm VAG1332 in the direction of the -arrow-.

For Camshaft Adjusters with Four Notches

Fig 11: Counterholding Affected Camshaft Adjuster (Camshaft Adjusters With Four Notches)

Courtesy of AUDI OF AMERICA, LLC

-- Position the Camshaft Adjuster KeyT40079 special wrench on the camshaft adjuster for the camshaft adjuster.

-- Install the Torque Wrench 1332 5-50NmVAG1331 with the Torque Wrench 1332 Insert - Open Ring Wrench - 24mmVAG1332/9 on the Camshaft Adjuster KeyT40079.

-- Have a second technician hold the camshaft timing chain tensioned to approximately 40 Nm by pressing the Torque Wrench 1332 40-200Nm VAG1332 in the direction of the -arrow-.

-- Have a second technician hold the camshaft timing chain tensioned by pressing on the counterhold tool in the direction of the -arrow-.

Continuation for All

-- Tighten the bolts as follows while the camshaft adjuster is still held under tension.

Step	Bolt	Tightening Specification
1.	-1-	to the exhaust camshaft 80 Nm
1.		to the intake camshaft 80 Nm

-- Tighten the camshaft adjuster bolts and the camshaft chain sprocket on the left cylinder head as follows:

Fig 12: Identifying Cylinder Cover Bolts -1 And 2-

Courtesy of AUDI OF AMERICA, LLC

Step	Bolt	Tightening Specification
2.	-1-	to the exhaust camshaft final tightening specification -2- OVERVIEW - CAMSHAFT TIMING CHAINS => List Item:Bolt
2.	-2-	to the intake camshaft final tightening specification -1- OVERVIEW - CAMSHAFT TIMING CHAINS => List Item:Bolt

-- Tighten the camshaft adjuster bolts and the camshaft chain sprocket on the right cylinder head as follows:

Fig 13: Identifying Right Camshaft Adjuster And Camshaft Sprocket Bolts

Courtesy of AUDI OF AMERICA, LLC

Step	Bolt	Tightening Specification
2.	-1-	to the intake camshaft final tightening specification -3- OVERVIEW - CAMSHAFT TIMING CHAINS => List Item:Bolt
2.	-2-	to the exhaust camshaft final tightening specification -1- OVERVIEW - CAMSHAFT TIMING CHAINS => List Item:Bolt

-- Remove the Camshaft ClampT40133 on both cylinder heads -arrows-.

Fig 14: Camshaft Adjuster T40133

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The cylinder head for cylinder bank 2 (left) is shown in the illustration.

-- Remove the Crankshaft Locking PinT40069.

Fig 15: Crankshaft Locking Pin T40069

Courtesy of AUDI OF AMERICA, LLC

-- Using the Crankshaft SocketT40058 and a ring wrench, turn the crankshaft two turns in the direction of engine rotation -arrow- until it is back at Top Dead Center (TDC).

Fig 16: Counter Hold Crankshaft Using Socket T40058

Courtesy of AUDI OF AMERICA, LLC

NOTE:

If it is accidentally rotated beyond "TDC", rotate it back approximately 30° and set it to "TDC" again.

The threaded holes -arrows- in the camshafts must face upward.

Fig 17: Camshafts
Courtesy of AUDI OF AMERICA, LLC

-- Install the Camshaft ClampT40133 in both cylinder heads and tighten -arrows- to 25 Nm.

Fig 18: Camshaft Adjuster T40133

Courtesy of AUDI OF AMERICA, LLC

-- Install the Crankshaft Locking PinT40069 directly in the hole.

Fig 19: Crankshaft Locking Pin T40069

Courtesy of AUDI OF AMERICA, LLC

The Crankshaft Locking PinT40069 must engage in the locating hole in the crankshaft -1-, otherwise repeat the adjustment.

-- Remove the camshaft locating pins on both cylinder heads.

-- Remove the crankshaft holder.

Install in reverse order of removal. Note the following:

-- Install the locking bolt "TDC" mark crankshaft. Refer to Fig 20.

Fig 20: Identifying Crankshaft Locking Bolt

Courtesy of AUDI OF AMERICA, LLC

-- Install the cylinder head cover. Refer to LEFT CYLINDER HEAD COVER, REMOVING AND INSTALLING for the left side and to RIGHT CYLINDER HEAD COVER, REMOVING AND INSTALLING for the right side.

-- Install the left and right timing chain guards. Refer to LEFT AND RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING .

-- Install the front noise insulation. Refer to NOISE INSULATION, REMOVING AND INSTALLING .