Cylinder Head, Removing And Installing: Installing

WARNING: This page is about a different car, the 2015 Audi RS 5, 2014 Audi RS 5, and 2013 Audi RS 5. However, it is still accessible from the selected car via links, so may be relevant.

Tightening Specifications. Refer To OVERVIEW - CYLINDER HEAD , and Figure.

CAUTION:

The Sealing Surfaces Could Be Damaged.

Carefully Remove Sealant Residue From Cylinder Head And Cylinder Block.
Make Sure That No Long Scrapes Or Scratches Result.

Risk Of Damaging Cylinder Block.

No Oil Or Coolant Must Be In The Cylinder Head Bolt Blind Holes In The Cylinder Block.

Risk Of Leaks In Cylinder Head Seal.

Carefully Remove Sealant Residue From Cylinder Head And Cylinder Block. Make Sure That No Long Scrapes Or Scratches Result.
Carefully Remove All Grinding And Sanding Residue.
Only Unpack New Cylinder Head Gasket Immediately Prior To Installation.
To Prevent Cylinder Head Seal Silicone Layer And Recessed Area From Being Damaged, Always Handle Seal Extremely Carefully.

Risk Of Damaging Open Valves.

If A Replacement Cylinder Is Installed, Only Remove Plastic Base Right Before Cylinder Head Is Installed To Protect Open Valves.

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

To Ensure Valves Do Not Strike Pistons When Starting, Carefully Rotate Engine At Least Two Full Revolutions.

NOTE:

Replace Any Bolts That Were Tightened With An Additional Turn.

Replace Seals, Gaskets And O-Rings.

If A Replacement Cylinder Is Installed, The Contact Surfaces Between The Hydraulic Adjusting Elements, Roller Rocker Levers And Cam Running Surfaces Must Be Lubricated Before Installing The Cylinder Head Cover.

Secure All Hose Connections With Hose Clamps Appropriate For The Model.

It Is Necessary To Replace The Coolant And Engine Oil Whenever The Cylinder Head Or The Cylinder Head Gasket Are Replaced.

-- Check Whether Camshafts Of Both Cylinder Heads Stand In "Top Dead Center (TDC)" Position.

Fig 1: Mounting Camshaft Locating Tool T40070 To Both Cylinder Heads

Courtesy of AUDI OF AMERICA, LLC

Camshaft Clamp:T40070 Mounted On Both Cylinder Heads And Tightened To 25 Nm -arrows-.

Lock The Crankshaft With The Crankshaft Locking Pin:T40227 at "TDC".

Fig 2: Identifying TDC Locking Pin T40227, Installation
Courtesy of AUDI OF AMERICA, LLC

-- If There Are No Alignment Bushings -Arrows- At The Locations Marked In The Cylinder Block, Insert Them.

Fig 3: Identifying Alignment Bushings In Cylinder Block

Courtesy of AUDI OF AMERICA, LLC

-- Install The Cylinder Head Gasket On The Alignment Bushings In The Cylinder Block.

Cylinder Head Seal Installation Position: Identification "Oben" (Top) Or The Cylinder Head Part Number.

-- Set Cylinder Head In Place.

-- Tighten The Cylinder Head Bolts. Refer To Figure.

Fig 4: Cylinder Head Bolts Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE:

There Is No Requirement To Tighten The Cylinder Head Bolts After Repairs.

-- Tighten The Locking Bolt -arrow-.

Fig 5: Identifying Locking Bolt

Courtesy of AUDI OF AMERICA, LLC

-- Check If The Guide Rail For The Camshaft Timing Chain Tensioner Is Secured With The Locking Pin:T40071 .

Fig 6: Pressing Left/Right Camshaft Timing Chain Guide Rail Inward And Securing Chain Tensioner With Locking Pin T40071

Courtesy of AUDI OF AMERICA, LLC

NOTE:

If The Tensioning Element Was Removed From The Chain Tensioner, Then The Installation Position Must Be Noted: Hole In Housing Floor Faces Toward Chain Tensioner, Piston Faces Toward Tensioning Rail.

Ignore -arrow-.

-- Clean The Chain Tensioner Oil Strainer -2-.

Fig 7: Identifying Chain Tensioner Oil Screen, Gasket & Chain Tensioner

Courtesy of AUDI OF AMERICA, LLC

-- Position A New Seal -3- On The Rear Of The Chain Tensioner -1-.

-- Insert The Chain Tensioner And Position The Camshaft Timing Chain As Shown In The Illustration.

Fig 8: Identifying Bolts For Left Chain Tensioner And Left Camshaft Timing Chain

Courtesy of AUDI OF AMERICA, LLC

-- Tighten The Bolts -1 And 2-.

Install In Reverse Order Of Removal. Note The Following:

-- Install The Cylinder Head Cover. Refer To CYLINDER HEAD COVER, REMOVING AND INSTALLING .

-- Install The Fuel Supply Line, The High Pressure Line And The Intake Manifold Lower Section. Refer To INTAKE MANIFOLD LOWER SECTION WITH FUEL RAIL, REMOVING AND INSTALLING .

-- Electrical Connections And Wiring Routing. Refer To The Appropriate Wiring Diagram(s).

-- Install The Front Upper Coolant Pipe. Refer To FRONT UPPER COOLANT PIPE, REMOVING AND INSTALLING .

-- Position The Camshaft Timing Chain On The Camshafts. Refer To INSTALLING .

-- Change The Engine Oil (Refer To The Appropriate Service Information Drain Coolant. Refer to COOLANT, DRAINING AND FILLING .