Valve Spring: Service and Repair
Valve Stem Oil Seal and Valve Spring Replacement
Special Tools
* 207649 - Rod Hairpin Clips
* 547324 - Flange Screws
* EN-958 - Installer
* EN-840 - Pliers / Remover
* EN-952 - Fixing Pin
* EN-50717 - Kit
* J-43649-2 - Rods
For equivalent regional tools, refer to Special Tools Tools and Equipment.
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
2. Remove the right front wheel house liner. Refer to Front Wheelhouse Rear Liner Replacement .
3. Lower the vehicle.
4. Remove the hydraulic valve lash adjuster arms. Refer to Hydraulic Valve Lash Adjuster Arm Replacement Hydraulic Valve Lash Adjuster Arm Replacement.
5. Remove the spark plugs. Refer to Spark Plug Replacement Service and Repair.
6. Adjust the engine to TDC of cylinder 1 and fix the crankshaft. Refer to Camshaft Timing Chain Adjustment Camshaft Timing Chain Adjustment.
Note:
Wheels must contact the ground.
7. Shift to 5. gear (MT) or park position (AT) and apply the park brake.
Valve Stem Oil Seal Removal
1. Install the 2 EN-50717-1 - stands (1) to the cylinder head and fix them with the 547324 - screws.
2. Install the 2 J-43649-2 - rods into the corresponding side, then secure the rods with the 207649 clips:
* Side "A" (1.4L) engines
* Side "B" (1.6L, 1.8L) engines.
3. Install the EN-51717-2 - compressor (3) to the EN-50717-1 - stands.
4. Install an suitable air pressure adapter (4) to the spark plug hole.
5. Apply air pressure to the corresponding cylinder.
6. Position the EN-51717-2 - compressor (3) so that its adapter proper contacts the valve spring retainer and pretension the compressor.
Warning
Valve springs can be tightly compressed. Use care when removing the retainers and plugs. Personal injury could result.
7. Apply pressure to the EN-50717-2 - compressor to push down the vale spring retainer (1) and compress the valve spring (3) until the valve keys (2) are free from tension. Carefully remove the valve keys then.
8. Release the tension from the EN-50717-2 - compressor.
9. Remove the valve spring retainer (1) and the valve spring (3).
10. Remove and DISCARD the valve stem oil seal (2), using the EN-840 - pliers (1).
Valve Stem Oil Seal Installation
Note:
Lubricate the NEW valve stem oil seal with clean engine oil.
1. Install the NEW valve stem oil seal, using the EN-958 - installer (1).
2. Loosely install the valve spring and the valve spring retainer.
Caution:
The valve stem keys must correctly seat in the valve spring cap. Engine damage may occur by not installing properly.
3. Using the EN-51717-2 - compressor (4), push down the valve spring retainer (1) and compress the valve spring (3) until the valve keys (2) can be inserted. Carefully insert the valve keys then, so that they are proper installed to the valve stem grooves.
4. Carefully release the tension from the EN-50717-2 - compressor.
5. Inspect the valve keys and valve spring retainer for proper seat.
6. Repeat the procedure with the remaining valves and cylinders. Transfer the EN-50717-1 - stands and the EN-51717-2 - compressor as needed.
7. Take care that air pressure is always applied to the combustion chamber of the treated cylinder.
Installation Procedure
1. Remove the tools from the cylinder head.
2. Release the air pressure and remove the air pressure adapter form the spark plug hole.
3. Shift to neutral gear and release the park brake.
4. Install the spark plugs. Refer to Spark Plug Replacement Service and Repair.
5. Install the hydraulic valve lash adjuster arms. Refer to Hydraulic Valve Lash Adjuster Arm Replacement Hydraulic Valve Lash Adjuster Arm Replacement.
6. Raise the vehicle.
7. Remove the EN-952 - fixing pin and install the crankshaft bearing cap tie plate hole plug.
8. Install the right front wheelhouse liner. Refer to Front Wheelhouse Rear Liner Replacement .
9. Lower the vehicle.