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Home >> Audi >> 2016 >> S4 Premium Plus, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1171 (Cylinder Head, VALVETRAIN [CAUA] (Coupe)) >> 15 Cylinder Head, VALVETRAIN >> VALVETRAIN >> Camshaft, Removing And Installing >> Installing

Camshaft, Removing And Installing: Installing

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, 2010 Audi S5, 2009 Audi S5, and 2008 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Replace Seals And Sealing Rings.

Replace Any Bolts That Were Tightened With An Additional Turn.

CAUTION:

Risk Of Contaminating Lubricating System And Bearing.

  • Cover open parts of engine.
WARNING:

Danger Of Eye Injury.

  • Wear protective eyewear.

-- Using a rotating plastic brush, remove any remaining sealant from the cylinder head and guide frame.

-- Clean the sealing surfaces. They must be free of oil and grease.

-- Oil running surfaces of both camshafts.

-- Place the camshafts in the cylinder head, being careful of their position so the guide frame can be laid on top without tension.

LEFT CYLINDER HEAD 

Fig 1: Identifying Intake Camshaft & Exhaust Camshaft (Left Cylinder Head)
GWWA15-10250Courtesy of AUDI OF AMERICA, LLC
  1. Intake camshaft
  2. Exhaust camshaft

RIGHT CYLINDER HEAD 

Fig 2: Identifying Intake Camshaft & Exhaust Camshaft (Right Cylinder Head)
GWWA15-10252Courtesy of AUDI OF AMERICA, LLC
  1. Exhaust camshaft
  2. Intake camshaft

CONTINUED FOR BOTH SIDES 

Fig 3: Identifying Compression Ring End Position
GWWA15-10251Courtesy of AUDI OF AMERICA, LLC

-- Check the location of the compressor ring ends.

NOTE:

Note The Expiration Date Of The Sealing Compound.

-- Cut the tube nozzle at the front marking (nozzle diameter: about 2 mm).

Fig 4: Cut Tube Nozzle At Front Marking
GWWA17-0081Courtesy of AUDI OF AMERICA, LLC

-- Lay the seal -2- in the groove on the guide frame.

Fig 5: Identifying Seal Beads
GWWA15-10215Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk Of Contaminating Camshaft Bearing With Excess Sealant.

  • Do not apply sealant beads thicker than indicated.

-- Apply sealant beads -1, 3 and 4- to the clean guide frame sealing surfaces as shown in the illustration.

NOTE:

The Guide Frame Must Be Installed Within 5 Minutes After Applying The Sealant.

-- Place the guide frame on the cylinder head.

NOTE:

Ensure Camshafts Can Be Inserted In Guide Frame Axial Bearing Without Force.

-- Install the :T40116  into the guide frame and cylinder head.

Fig 6: Identifying Guide Frame Securing Pins T40116
GWWA15-10283Courtesy of AUDI OF AMERICA, LLC

-- Tighten the guide frame bolts. Refer to Figure.

Fig 7: Bearing Frame Tightening Sequence
GWWA15-10225Courtesy of AUDI OF AMERICA, LLC
NOTE:

The Sealant Must Harden For Approximately 30 Minutes After Installing The Guide Frame.

-- Drive in the sealing plugs -arrows- until they are flush.

Fig 8: Driving Sealing Plugs In Flush
GWWA10-10503Courtesy of AUDI OF AMERICA, LLC

-- Remove the :T40116  with the :T10133/3  .

Fig 9: Identifying Guide Frame Securing Pins T40116 With Impact Puller T10133/3
GWWA15-10284Courtesy of AUDI OF AMERICA, LLC

-- Rotate intake camshaft to "TDC" and tighten camshaft adjuster bolt -2- on camshaft with a socket SW 24 -1- inserted between.

Fig 10: Identifying Intake Camshaft TDC
GWWA15-10285Courtesy of AUDI OF AMERICA, LLC
NOTE:

When Tightening The Bolt, Use Pliers To Counterhold The Socket.

-- Position a lever or ratchet with the :T10035  on the bolt and turn the camshaft until the threaded hole for the :T40070  faces up.

-- Then install the :T40070  loosely on the intake camshaft.

-- Change the camshaft adjuster bolt -2- and the 24 mm socket -1- to the exhaust camshaft.

-- Turn the exhaust camshaft until the threaded hole for the :T40070  faces up.

-- At the same time, position a 24 mm open end wrench on the :T40070  and turn the :T40070  against the exhaust camshaft in direction of -arrow-.

Fig 11: Adapting Camshaft Adjuster Screw And Socket 24 To Exhaust Camshaft
GWWA15-10253Courtesy of AUDI OF AMERICA, LLC

-- Install the :T40070  on the exhaust camshaft by hand to prevent damage to the threads (a second technician is needed).

-- Tighten the :T40070  to 25 Nm -arrows-.

Fig 12: Mounting Camshaft Locating Tool T40070 To Both Cylinder Heads
GWWA13-10111Courtesy of AUDI OF AMERICA, LLC

-- Turn the crankshaft to "TDC" in direction of engine rotation -arrow-.

Fig 13: Identifying Notch -Arrow A- On T40257 Must Face Color Dash -Arrow B- On Vibration Damper
GWWA13-10795Courtesy of AUDI OF AMERICA, LLC

-- Install the :3242  in the hole and tighten to 20 Nm. Rotate the crankshaft -1- back and forth slightly to center the pin completely, if necessary.

Fig 14: Identifying Crankshaft Holder 3242
GWWA13-10046Courtesy of AUDI OF AMERICA, LLC

Install in reverse order of removal.Note The Following: 

-- Install the high pressure pump. Refer to HIGH PRESSURE PUMP, REMOVING AND INSTALLING .

-- Position the camshaft timing chain on the camshafts. Refer to Installing .

CAUTION:

Risk Of Damaging Valves And Piston Heads After Working On Valve Train.

  • The motor must not be started for about 30 minutes after installing camshafts because the hydraulic equalization elements must seat themselves.
  • To ensure valves do not strike pistons when starting, carefully rotate engine at least two full revolutions.