Overview - Cylinder Head: Notes
WARNING: This page is about a different car, the 2016 Audi Q5, 2015 Audi Q5, and 2014 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The cylinder head for cylinder bank 2 (left) is shown in the illustration.
- Cylinder Head Gasket
- Replacing, refer to LOOSEN THE CYLINDER HEAD BOLTS .
- Identification, refer to Fig 3.
- Installed position: the part number faces the cylinder head
- Change the coolant and engine oil after replacing
- Cylinder Head
- Only set the removed cylinder head down on a foam pad. Otherwise the glow plugs can be damaged.
- Removing and installing, refer to LOOSEN THE CYLINDER HEAD BOLTS .
- Check for distortion Fig 2
- It is not permitted to re-work the cylinder heads on TDI engines
- Change the coolant and engine oil after replacing
- Bolt
- Tightening specification: 23 Nm
- Bracket
- Engine Lifting Eye
- Bolt
- Tightening specification: 23 Nm
- Seals
- Replace
- Banjo Bolt
- Tightening specification: 12 Nm
- Coolant lines
- Bolt
- Tightening specification: 9 Nm
- Banjo Bolt
- Tightening specification: 12 Nm
- Seals
- Replace
- Bolt
- Tightening specification: 23 Nm
- Engine Lifting Eye
- Bolt
- Loosening sequence, refer to LOOSEN THE CYLINDER HEAD BOLTS
- Replace
- Tightening specification and sequence, refer to CYLINDER HEAD - TIGHTENING SPECIFICATION AND SEQUENCE .
-- Check the cylinder head at several locations for distortion using a Straight Edge - 500mm VAS6075 and a feeler gauge.
- Maximum permissible warpage: 0.1 mm.
NOTE:
It is not permitted to re-work the cylinder heads on TDI engines
- Part Number
- Holes
NOTE:
Depending on piston projection, varying cylinder head gasket thicknesses can be installed, refer to PISTON PROJECTION, MEASURING AT TDC . If replacing the cylinder head gasket, make sure the new cylinder head gasket with the same identification.
The cylinder head gaskets for the left and right cylinder head cannot be interchanged because they each have a different shape.