Left and right timing chain covers, removing and installing: Installing
WARNING: This page is about a different car, the 2008 Audi RS 4 and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Replace O-rings.
- Secure all hose connections using hose clamps appropriate for the model type .
- During installation, re-install all heat insulation sleeves and heat shields at the same locations.
- During installation, all cable ties must be re-installed at the same location.
CAUTION:
Wear safety glasses.
Fig 1: Using Rotating Plastic Brush To Remove Any Sealant Residue From Sealing Flange, Cylinder Block And Upper Part Of Oil Pan
- Remove sealant residue on timing chain covers and cylinder head, e.g. with a rotating plastic brush.
CAUTION:
Make sure that no sealant residue enters the engine.
- Clean sealing surfaces, they must be free of oil and grease.
- Cut off nozzle on tube of sealant at front mark (dia. of nozzle approx. 2 mm).
- Drive left coolant intermediate pipe - 2 - out of left timing chain cover with a suitable drift.
- Replace O-rings - 1 - at coolant intermediate pipe.
- Insert coolant intermediate pipe in left timing chain cover.
- Apply sealant bead - arrow - on clean sealing surfaces of left timing chain cover, as shown in illustration.
- Thickness of sealant bead: 2.5 mm.
NOTE:
- Covers for timing chain must be installed within 5 minutes after applying sealant.
- Position left timing chain cover and tighten bolts in sequence - 1 to 8 -.
- Drive right coolant intermediate pipe - 2 - out of right timing chain cover with a suitable drift.
- Replace O-rings - 1 - at coolant intermediate pipe.
- Insert coolant intermediate pipe in right timing chain cover.
- Apply sealant bead - arrows - on clean sealing surfaces of right timing chain cover, as shown in illustration.
- Thickness of sealant bead: 2.5 mm.
- Position right timing chain cover and tighten bolts in sequence - 1 to 8 -.
The rest of installation is in reverse order of removal, note the following:
- Install combination valve for Secondary Air Injection (AIR) system: Left → Left combination valve for secondary air injection (AIR), removing and installing , right → Right combination valve for secondary air injection, removing and installing .
- Install rear coolant pipe → Rear coolant line, removing and installing .
- Install left coolant pipe → Left coolant pipe, removing and installing .
- Install right coolant pipe → Right coolant pipe, removing and installing .
- Install engine → Engine, installing .
Torque specifications
| Component | Nm |
|---|---|
| Left and right timing chain covers to engine | 9 |