Special Tools
For equivalent regional tools, refer to
Special Tools.
Removal Procedure
- Remove the camshaft adjuster. Refer to
Camshaft Position Actuator Adjuster Removal.
- Remove the rear timing belt cover. Refer to
Timing Belt Rear Cover Replacement.
- Remove intake camshaft position sensor. Refer to
Camshaft Position Sensor Replacement.
- Remove exhaust camshaft position sensor. Refer to
Camshaft Position Sensor Replacement.
- Remove
EN-6628-A locking tool
.
Counterhold at hexagon of camshaft.
Adjustment Procedure
- Inspect the 2 valve lash, intake valve cylinder 1.
1.1. | Turn the intake camshaft in the direction of engine rotation by the camshaft hexagon until the cams of cylinder 1 are in the test position. |
1.2. | Insert the
EN-6361 gauge
, inspect the valve lash. |
Write down the result.
- Inspect the 2 valve lash, intake valve cylinder 3.
2.1. | Turn the intake camshaft in the direction of engine rotation by the camshaft hexagon until the cams of cylinder 3 are in the test position. |
2.2. | Insert the
EN-6361 gauge
, inspect the valve lash. |
Write down the result.
- Inspect the 2 valve lash, intake valve cylinder 4.
3.1. | Turn the intake camshaft in the direction of engine rotation by the camshaft hexagon until the cams of cylinder 4 are in the test position. |
3.2. | Insert the
EN-6361 gauge
, inspect the valve lash. |
Write down the result.
- Inspect the 2 valve lash, intake valve cylinder 2.
4.1. | Turn the intake camshaft in the direction of engine rotation by the camshaft hexagon until the cams of cylinder 2 are in the test position. |
4.2. | Insert the
EN-6361 gauge
, inspect the valve lash. |
Write down the result.
- When replacing the exhaust camshaft, inspect the valve lash of the exhaust valves.
- Inspect the 2 valve lash, exhaust valve cylinder 4.
6.1. | Turn the exhaust camshaft in the direction of engine rotation by the camshaft hexagon until the cams of cylinder 4 are in the test position. |
6.2. | Insert the
EN-6361 gauge
, inspect the valve lash. |
Write down the result.
- Inspect the 2 valve lash, exhaust valve cylinder 2.
7.1. | Turn the exhaust camshaft in the direction of engine rotation by the camshaft hexagon until the cams of cylinder 2 are in the test position. |
7.2. | Insert the
EN-6361 gauge
, inspect the valve lash. |
Write down the result.
- Inspect the 2 valve lash, exhaust valve cylinder 1.
8.1. | Turn the exhaust camshaft in the direction of engine rotation by the camshaft hexagon until the cams of cylinder 1 are in the test position. |
8.2. | Insert the
EN-6361 gauge
, inspect the valve lash. |
Write down the result.
- Inspect the 2 valve lash, exhaust valve cylinder 3.
9.1. | Turn the exhaust camshaft in the direction of engine rotation by the camshaft hexagon gear until the cams of cylinder 3 are in the test position. |
9.2. | Insert the
EN-6361 gauge
, inspect the valve lash. |
Write down the result.
Note: Note the removal sequence 1-4.
- Remove the 4 camshaft bearing support bolts.
- Release the bearing support by striking it gently with a plastic hammer.
- Remove the 1st camshaft bearing support (5).
Note: Mark the exhaust camshaft bearing caps before removal.
- Detach the camshaft bearing caps 1-4 working from outside to inside in a spiral in steps of 1/2 up to 1 turn.
- Remove the camshaft bearing cover from the cylinder head.
- Remove the intake camshaft.
Note: Mark the intake camshaft bearing caps before removal.
- Detach the camshaft bearing caps 1-4 working from outside to inside in a spiral in steps of 1/2 up to 1 turn.
- Remove the camshaft bearing cover from the cylinder head.
- Remove the exhaust camshaft.
- Using the
EN-845 device
(1), remove the 16 valve tappets.
- Determine valve tappet size.
20.1. | Measurement of the cup tappet installed 3.12 mm (0.123 in), identification number 12. |
20.2. | Measured value between cams and cup tappets +0.31 mm (0.012 in) = 3.43 mm (0.135 in). |
20.3. | Required value, valve lash - 0.25 mm (0.010 in). |
| Note: The identification number, arrow, is on the inside of the valve tappet.
|
20.4. | Measurement of the new cup tappet = 3.18 mm (0.125 in), identification number 18. |
20.5. | Use a valve tappet with this dimension or one that is nearest to it. |
Installation Procedure
Note: Observe the correct assignment.
Note: Coat the sliding surfaces with NEW engine oil.
- Install the 16 valve lifter (1) use the
EN 845 suction device
.
- Install the camshafts. Refer to
Camshaft Replacement.