Overview - Cylinder Head
WARNING: This page is about a different car, the 2018 Audi Q3 Quattro, 2018 Audi Q3, 2017 Audi Q3 Quattro, and 2017 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.
- Cylinder Head Gasket
- Replacing. Refer to CYLINDER HEAD, REMOVING AND INSTALLING .
- Installed position: the part number faces the cylinder head
- Change the coolant and engine oil after replacing
- Bolt
- 25 Nm
- Engine Lifting Eye
- Bolt
- Cylinder Head
- Removing and installing. Refer to CYLINDER HEAD, REMOVING AND INSTALLING .
- Checking for distortion. Refer to Fig 3.
- Change the coolant and engine oil after replacing
- Checking for distortion. Refer to Fig 3.
- Do not rework the upper sealing surface
- Only replace together with the cylinder head cover
- Check Valve, Removing and installing. Refer to CHECK VALVE, REMOVING AND INSTALLING .
- Bolt
- O-ring
- Always replace after removing.
- Lubricate with engine oil
- Plugs
- 5 Nm
- With ball head for the engine cover
- Cap
- With seal
- O-ring
- Always replace after removing.
- Lubricate with engine oil
- Plugs
- Bracket
- Bolt
- 7 Nm
- Heat Shield
- Bolt
- 20 Nm
- Bolt
- 20 Nm
- To the Intake Manifold/Turbocharger
- Bleed Pipe
- O-ring
- No replacement part
- Seal
- No replacement part
- Engine Cover
- Different versions depending on the vehicle. Refer to the parts information for the allocation.
- Removing and installing. Refer to ENGINE COVER, REMOVING AND INSTALLING .
- Bolt
- Overview. Refer to OVERVIEW - CRANKCASE VENTILATION .
- Oil Separator
- There are different versions depending on the model. Refer to OIL SEPARATOR . Refer to the parts information for the allocation.
- Overview. Refer to OVERVIEW - CRANKCASE VENTILATION .
- To Intake Manifold
- Seal
- No replacement part
- Seal
- Replace if damaged
- Vacuum Pump
- Removing and installing. Refer to VACUUM PUMP, REMOVING AND INSTALLING
- Bolt
- Tightening specification. Refer to OVERVIEW - VACUUM PUMP
- Retaining Plate
- Bolt
- 9 Nm
- Connection
- Engine with secondary air system: to remove, remove the Secondary Air Injection Solenoid Valve -N112-.
- O-ring
- Always replace after removing.
- Coat with coolant
- Engine Lifting Eye
- Bolt
- 25 Nm
- Bolt
- Tightening specification -item 3- OVERVIEW - IGNITION SYSTEM
- Camshaft Position Sensor -G40-
- Overview. Refer to OVERVIEW - IGNITION SYSTEM .
- O-ring
- Always replace after removing.
- Lubricate with engine oil
- Partition Plate
-- Remove the bolts -arrows-.
-- Loosen the cylinder head bolts in the sequence -1 to 10-.
- Replace the bolts that were tightened with an additional turn after removing them.
-- Tighten the bolts in the steps shown in the sequence:
| Step | Bolts | Tightening Specification/Additional Turn |
|---|---|---|
| 1. | -1 through 10- | Install by hand all the way |
| 2. | -1 through 10- | "Without collar" 40 Nm "with collar" 50 Nm, difference. Refer to OVERVIEW - CYLINDER HEAD . |
| 3. | -1 through 10- | 90° additional turn |
| 4. | -1 through 10- | 90° additional turn |
| 5. | -arrows- | 8 Nm |
| 6. | -arrows- | 90° additional turn |
-- Check the cylinder head in several places for distortion using a straight edge and a feeler gauge.
- Maximum permissible distortion: 0.05 mm.