Left And Right Timing Chain Covers: Installing

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Tightening specifications, refer to Figure, Figure.

NOTE:

Replace M6 bolts and O-rings.

Secure all hose connections with hose clamps appropriate for the model.

During installation, all cable ties must be installed at the same location.

CAUTION:

Risk of contaminating lubricating system.

Cover open parts of engine.

WARNING:

Risk of eye injury.

Wear safety glasses.

-- Remove sealant residue on timing chain covers and cylinder head, for example with a rotating plastic brush.

Fig 1: Cleaning Remaining Sealant With Rotating Plastic Brush

Courtesy of AUDI OF AMERICA, LLC

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

NOTE:

Note the expiration date of the sealing compound.

-- Cut tube nozzle at front marking (nozzle diameter approximately 2 mm).

Fig 2: Cut Tube Nozzle At Front Marking

Courtesy of AUDI OF AMERICA, LLC

-- Drive left coolant intermediate pipe -2- out of left timing chain cover with a suitable drift.

Fig 3: Driving Left Coolant Intermediate Pipe Out Of Left Timing Chain Cover With Suitable Drift

Courtesy of AUDI OF AMERICA, LLC

-- Replace O-rings -1- at coolant intermediate pipe.

-- Insert coolant intermediate pipe in left timing chain cover.

CAUTION:

The lubrication system could be plugged with excess sealant.

Do not apply sealant bead thicker than indicated.

-- Apply a sealant bead -arrows- on the clean sealing surfaces on the left timing chain cover as illustrated.

Thickness of sealant bead: 2.5 mm.

NOTE:

Covers for timing chain must be installed within 5 minutes after applying sealant.

-- Positing left timing chain cover and tighten bolts. Refer to Figure.

Fig 4: Identifying Left Timing Chain Cover And Tightening Bolts Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Drive right coolant intermediate pipe -2- out of right timing chain cover with a suitable drift.

Fig 5: Driving Left Coolant Intermediate Pipe Out Of Left Timing Chain Cover With Suitable Drift

Courtesy of AUDI OF AMERICA, LLC

-- Replace O-rings -1- at coolant intermediate pipe -2-.

-- Insert coolant intermediate pipe in right timing chain cover.

CAUTION:

The lubrication system could be plugged with excess sealant.

Do not apply sealant bead thicker than indicated.

-- Apply a sealant bead -arrows- on the clean sealing surfaces on the right timing chain cover as illustrated.

Thickness of sealant bead: 2.5 mm.

-- Positing right timing chain cover and tighten bolts. Refer to Figure.

Fig 6: Identifying Right Timing Chain Cover And Tightening Bolts Sequence

Courtesy of AUDI OF AMERICA, LLC

The rest of the installation is in reverse order of removal, note the following:

-- Install rear coolant pipe. Refer to REAR COOLANT PIPE .

-- Install left coolant pipe. Refer to LEFT COOLANT PIPE .

-- Install right coolant pipe. Refer to RIGHT COOLANT PIPE .

-- Fill with coolant COOLING SYSTEM, DRAINING AND FILLING .