- Remove both camshafts. Refer to Camshaft Replacement .
- Remove the spark plugs. Refer to Spark Plug Replacement .
Note: 180° offset to marking ignition TDC cylinder number 1.
- Make alignment mark on the toothed belt drive belt.
- Turn the crankshaft to ignition TDC marking, cylinder number 1.
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
- Block the crankshaft.
- Install EN-6625 flywheel holder (1) to the engine block (2).
- Lower the vehicle.
- Install the supports.
- Tighten one of the support head (1) in the center of the rail (2) with the fastener (3).
- Install the EN-6086-5 mounting shaft (1) to one of the EN-6086-6 support (2).
- Install the second support to the mounting shaft.
- Install the lever arm bracket to the cylinder head.
- Attach the EN-6086-15 pneumatic adapter (1).
14.1. | Attach the adapter to cylinder number 1. |
14.2. | Apply compressed air to cylinder number 1. |
- Attach the EN-6086-7 lever arm (3).
15.1. | Complete the lever arm with the EN-6086-8 joint (1) and the EN-6086-11 removal head (2). |
| Note: Removal head must point toward the intake side. |
15.2. | Slide assembly on installation shaft over the 1st cylinder. |
- Remove the intake valve springs, 1st cylinder.
| Note: Removal head must be positioned vertically over the valve stem. |
16.2. | Carefully push the valve springs down using the EN-6086-7 lever arm. |
| Note: Observe correct assignment. |
16.3. | Remove the valve keepers. |
16.4. | Remove the valve head and the valve springs. |
- Remove the valve stem seals.
Remove the valve stem seals with the EN-840 remover (1).
- Install the valve stem seals.
18.1. | Coat the valve stem with engine oil. |
18.2. | Connect the new valve stem seals onto valve stem. |
18.3. | Using the EN-958 installer, drive home to limit stop. |
Note: Note manufacturer provisions.
- Complete the EN-6086-200-1 assembly head .
19.1. | Use the EN-6086-200-10 thrust piece. |
19.2. | Put together the assembly head consisting of mount (1), fixing sleeve (2), thrust piece (3), spring (4), screw fixing (5) and lever mount (6). |
- Install the intake valve springs, 1st cylinder.
20.1. | Insert the valve springs and valve head. |
| Note: Insert the valve cotters with the tapered end toward the valve. |
20.2. | Insert the valve cotters (1) in the EN-6086-200-1 assembly head. |
• | Slide the plastic clamping sleeve (2) in the direction of the lever arm mount. |
• | Push the plastic clamping sleeve toward the valve. |
| Note: Assembly head must stand vertically above the valve stem. Valve cotters must engage audibly. |
20.3. | Attach the assembly head to the lever arm. |
20.4. | Carefully push the valve spring down using the EN-6086-7 lever arm. |
Note: Do not make 2nd attempt without inspecting that both valve cotters are seated in the assembly head.
- Inspect installation position.
Inspect seating of the valve keepers (visual inspection).
- Transfer the EN-6086-7 lever arm.
22.1. | Remove the lever arm. |
22.2. | Detach the assembly head. |
| Note: Removal head must point toward the exhaust side. |
22.3. | Attach the removal head. |
22.4. | Install the lever arm. |
- Remove the exhaust valve springs, 1st cylinder.
23.1. | Carefully push the valve springs down using the EN-889-12 lever arm. |
| Note: Removal head must be positioned vertically over the valve stem. |
23.2. | Remove the valve keepers |
| Note: Observe correct assignment. |
23.3. | Remove the valve head and valve springs. |
- Replace the valve stem seals.
24.1. | Pull off with the EN-840 remover. |
24.2. | Coat the valve stem with engine oil. |
24.3. | Connect the new valve stem seals onto the valve stem. |
24.4. | Using the EN-958 installer, drive home to limit stop. |
- Attach the EN-6086-7 lever arm.
25.1. | Insert the valve springs and valve head. |
25.2. | Insert the valve wedges in the EN-889-2 assembly head. |
| Note: Insert the valve cotters with the tapered end toward the valve. |
• | Push the plastic clamping sleeve toward the lever arm mounting. |
• | Push the plastic clamping sleeve toward the valve. |
| Note: Assembly head must stand vertically above the valve stem. Valve cotters must engage audibly. |
25.3. | Attach the assembly head to the lever arm. |
| Note: Do not make 2nd attempt without inspecting that both valve cotters are seated in the assembly head. |
25.4. | Carefully push the valve spring down using the EN-889-12 lever arm. |
- Inspect installation position.
Inspect seating of the valve keepers (visual inspection).
- Transfer the EN-6086-15 pneumatic adapter.
27.1. | Interrupt the compressed air feed. |
27.2. | Remove the adapter from cylinder number 1. |
27.3. | Install the adapter to cylinder number 4. |
27.4. | Apply compressed air to cylinder number 4. |
- Replace the valve stem seal of cylinder 4 by analogy with step 14 - 21.
- Remove the EN-6086-15 pneumatic adapter.
29.1. | Interrupt the compressed air feed. |
29.2. | Remove the adapter from cylinder number 4. |
- Raise and support the vehicle.
- Remove EN-6625 holder from the engine block.
- Set the crankshaft to ignition TDC of cylinder 3.
Note: Alignment marking on toothed belt drive wheel must align with marking on rear toothed belt cover.
- Turn crankshaft evenly by 180°.
- Block the crankshaft.
- Install EN-6625 holder to the engine block.
- Lower the vehicle.
- Replace the valve stem seal of cylinders 2 and 3 by analogy with step 7 to step 21.
- Remove the EN-6086-15 pneumatic adapter.
38.1. | Interrupt the compressed air feed. |
38.2. | Remove the adapter from cylinder number 3. |
- Remove the EN-6086 automatic valve spring lever.
39.1. | Release the installation shaft. |
39.2. | Remove both supports with the installation shaft. |
39.3. | Remove the installation head from the lever arm. |