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Home >> Audi >> 2014 >> TT Quattro Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (3.2L - Cylinder Head, VALVETRAIN - Engine Code(S): CBRA (Roadster)) >> 15 Cylinder Head, VALVETRAIN >> Removal And Installation >> Cylinder Head >> Loosen And Tighten Cylinder Head Bolts In Sequence -1 To 20-

Loosen And Tighten Cylinder Head Bolts In Sequence -1 To 20-

WARNING: This page is about a different car, the 2009 Audi TT and 2008 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Cylinder Head Loosening And Tightening Sequence
GWWA15-10821Courtesy of AUDI OF AMERICA, LLC

-- Re-tightening left front engine lifting eye -arrows-.

Fig 2: Engine Lifting Eye on the Cylinder Head - Tightening Specification
GWWA10-10639Courtesy of AUDI OF AMERICA, LLC
NOTE:

The left engine lifting eye was removed to remove the intake manifold.

-- Engage Lifting Tackle 3033 as follows:

Fig 3: Attaching Lifting Tackle 3033
GWWN15-0649Courtesy of AUDI OF AMERICA, LLC
NOTE:

The Lifting Tackle 3033 items labeled with "1 through 12" face toward the transmission side.

-- Carefully raise cylinder head.

CAUTION:

Risk of contaminating cylinder wall and piston.

  • Place clean cloths in cylinder.

Installing 

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.

  • There must be no oil or coolant in the blind holes for the cylinder head bolts in the cylinder block.

Risk of cylinder head seal leaking.

  • 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 valvetrain.

  • To ensure valves do not strike pistons when starting, carefully rotate engine at least 2 full revolutions.
NOTE:

Replace bolts which have been tightened to torque.

Replace sealing rings, seals and self-locking nuts.

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.

-- Position camshafts at "TDC" before cylinder head is installed.

Fig 4: Identifying Camshaft Bar T10068 A Engage In Shaft Grooves
GWWN15-10106Courtesy of AUDI OF AMERICA, LLC

-- Check again if crankshaft is at "TDC" marking -arrow-.

Fig 5: Identifying Crankshaft At Vibration Damper Securing Bolt In Engine At TDC Cyl. 1
GWWN13-0475Courtesy of AUDI OF AMERICA, LLC

-- Set cylinder head gasket in place.

Fig 6: Cylinder Head - Tightening Specifications and Tightening Sequence
GWWA15-10777Courtesy of AUDI OF AMERICA, LLC

-- Set cylinder head in place.

-- Insert cylinder head bolts and tighten by hand.

NOTE:

The longer cylinder head bolts must be inserted in the middle holes of cylinder head.

-- Tighten cylinder head bolts. Refer to Figure.

NOTE:

Do not tighten cylinder head bolts after repairs.

-- Installing exhaust manifold. Refer to EXHAUST MANIFOLD .

-- Install camshaft timing chain INSTALLING (ADJUSTING VALVE TIMING) .

-- Install cylinder head cover. Refer to CYLINDER HEAD COVER 

-- Install intake manifold. Refer to Removal and Installation .

-- Follow measures after connecting battery. Refer to [For transmission(s) 02E] Removal and Installation .

-- Change engine oil.

-- Replace coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING .

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