Blocking engine in TDC firing position
- Guide out and remove sealing cap (1)
.NOTE: RISK OF DAMAGE
Damage to the engine .
If the engine is manually rotated in the wrong direction of rotation, the engine can be damaged .- Only rotate the engine manually in the correct direction of rotation: a) clockwise when looking at the damper, or b) counterclockwise when looking at the chain drive. b) applies only if the timing chain is installed in the rear.
- With the special tool, turn the engine 0 493 380 (11 6 480) to the TDC firing position of cylinder 1 .
- Vehicles with manual transmission/double-clutch transmission (DCT):
Dimension (X) = 56 mm
Special tool 2 288 380 must be inserted up to dimension (X) into the dowel hole.
- Vehicles with manual transmission/double-clutch transmission (DCT):
Special tool 2 288 380 incorrectly positioned.
TDC firing position of cylinder 1 not achieved.
- Vehicles with manual transmission/double-clutch transmission (DCT):
The special tool 2 288 380 is correctly positioned.
The engine is in the TDC firing position of cylinder 1.
- Vehicles with automatic transmission:
Dimension (X) = 66 mm
Special tool 2 288 380 must be inserted up to dimension (X) into the dowel hole.
- Vehicles with automatic transmission:
The special tool 2 288 380 is incorrectly positioned.
TDC firing position of cylinder 1 not achieved.
- Vehicles with automatic transmission:
The special tool 2 288 380 is correctly positioned.
Engine in TDC firing position of cylinder 1.
- Keep set of special tools 2 456 372
at hand:
Number Description 1 Basic carrier 2 Setting gauge for adjusting the intake camshaft 3 Setting gauge for adjusting the exhaust camshaft 4 Basic carrier screws on cylinder head 5 Screw gauge on basic carrier - Provide test gauges from the set of special tools 2 358 122
:
Number Description 1 Test gauges for fixing in place the intake camshaft 2 Test gauges for fixing in place the exhaust camshaft - Make sure the marks (1)
on the intake camshaft (E)
and the exhaust camshaft (A)
are legible from above.
- Ensure that the cam (1)
on the exhaust camshaft on cylinder 1
points to the inside right at a slight angle.
- Ensure that the cam (1)
on the intake camshaft on cylinder 1
points to the left at an angle.
- Ensure that the flattened areas (1)
on the intake camshaft and the exhaust camshaft point upwards.
- Position the basic carrier (1) from the set of special tools 2 456 372 on the cylinder head.
- Tighten the screws (2) from the set of special tools 2 456 372
.TIGHTENING TORQUE SPECIFICATIONS
Basic carrier to cylinder head M6 Tightening torque 8 Nm - Position the test gauge (2) from the set of special tools 2 358 122 between the intake camshaft and the basic carrier (1) from the set of special tools 2 456 372 .
- Position the test gauge (3) from the set of special tools 2 358 122 between the exhaust camshaft and the basic carrier (1) from the set of special tools 2 456 372 .
- Tighten screws (arrows).TIGHTENING TORQUE SPECIFICATIONS
Test gauge to basic carrier M6 Tightening torque 8 Nm - If the special tool cannot be mounted, readjust the valve timings.
- Guide out and remove sealing cap (1)
.NOTE: RISK OF DAMAGE
Damage to the engine .
If the engine is manually rotated in the wrong direction of rotation, the engine can be damaged .- Only rotate the engine manually in the correct direction of rotation: a) clockwise when looking at the damper, or b) counterclockwise when looking at the chain drive. b) applies only if the timing chain is installed in the rear.
- With the special tool, turn the engine 2 468 560
to the TDC firing position of cylinder 1
.
- Vehicles with manual transmission/double-clutch transmission (DCT):
Dimension (X) = 56 mm
Special tool 2 288 380 must be inserted up to dimension (X) into the dowel hole.
- Vehicles with manual transmission/double-clutch transmission (DCT):
The special tool 2 288 380 is incorrectly positioned.
TDC firing position of cylinder 1 not achieved.
- Vehicles with manual transmission/double-clutch transmission (DCT):
The special tool 2 288 380 is correctly positioned.
Engine is in TDC firing position of cylinder 1.
- Vehicles with automatic transmission:
Dimension (X) = 66 mm
Special tool 2 288 380 must be inserted up to dimension (X) into the dowel hole.
- Vehicles with automatic transmission:
The special tool 2 288 380 is incorrectly positioned.
TDC firing position of cylinder 1 not achieved.
- Vehicles with automatic transmission:
The special tool 2 288 380 is correctly positioned.
Engine in TDC firing position of cylinder 1.
- Keep set of special tools 2 456 372
at hand:
Number Description 1 Basic carrier 2 Setting gauge for adjusting the intake camshaft 3 Setting gauge for adjusting the exhaust camshaft 4 Basic carrier screws on cylinder head 5 Screw gauge on basic carrier - Provide test gauges from the set of special tools 2 358 122
:
Number Description 1 Test gauges for fixing in place the intake camshaft 2 Test gauges for fixing in place the exhaust camshaft - Make sure the marks (1)
on the intake camshaft (E)
and the exhaust camshaft (A)
are legible from above.
- Make sure the cam (1)
on the exhaust camshaft on cylinder 1
is pointing slightly to the inside right at an angle.
- Make sure the cam (1)
on the intake camshaft on cylinder 1
is pointing leftwards at an angle.
- Make sure the flattened areas (1)
on the intake camshaft and the exhaust camshaft are pointing upwards at an angle.
- Position the basic carrier (1) from the set of special tools 2 456 372 on the cylinder head.
- Tighten the screws (2)
from special tool set 2 456 372
.TIGHTENING TORQUE SPECIFICATIONS
Basic carrier to cylinder head M6 Tightening torque 8 Nm - Position the test gauge (2) from the set of special tools 2 358 122 between the intake camshaft and the basic carrier (1) from the set of special tools 2 456 372 .
- Position the test gauge (3) from the set of special tools 2 358 122 between the exhaust camshaft and the basic carrier (1) from the set of special tools 2 456 372 .
- Tighten the screws (arrows).NOTE: If special tool cannot be mounted, the timing must be readjusted.
| Test gauge to basic carrier | ||
|---|---|---|
| M6 | Tightening torque | 8 Nm |