Operation CHARM: Car repair manuals for everyone.

Overhaul




Cylinder Head

















Disassembly

NOTICE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.

NOTICE: Aluminum surfaces are soft and can be scratched easily. Never place the cylinder head gasket surface, unprotected, on a bench surface.

NOTE: If the components are to be reinstalled, mark the location of the components removed, they must be installed in the same location.

1. NOTE: RH shown, LH similar.
Remove the 2 bolts and the LH and RH engine lift eyes.






2. Remove the 3 bolts and the coolant outlet and gasket.





3. Remove and discard the CHT (Cylinder Head Temperature) sensor.





4. NOTE: Place all parts in order to one side.
Using the Valve Spring Compressors, compress the valve spring and remove the valve collet, using some multi-purpose grease and a small screwdriver.

- Remove the valve spring retainer and the valve spring.

- Inspect the valve springs.






5. Remove and discard the valve seal.
1. Position the Valve Stem Oil Seal Remover and Slide Hammer over the seal.

2. Pull up on the Slide Hammer and Valve Stem Oil Seal Remover and remove the seal.






6. NOTE: Mark each valve location if the original valves are to be used.
Remove the valves.

- Inspect the valves.






Assembly

1. NOTE: If installing the original valves, make sure the valves are installed in the same position from which they were removed.
Coat the valve stems with clean engine oil and install the valves.






2. NOTE: Lubricate the valve seal with clean engine oil prior to installing.
Using the Valve Stem Oil Seal Installer, install the valve seal.






3. NOTE: Check the seating of the valve collet.
Install the valve spring and the valve spring retainer.

- Compress the valve spring and install the valve collet using some grease and a small screwdriver.






4. Install a new CHT (Cylinder Head Temperature) sensor.
- Tighten to 11 Nm (97 lb-in).






5. Inspect the gasket and replace if necessary.





6. Install the gasket, coolant outlet and the 3 bolts.
- Tighten to 10 Nm (89 lb-in).






7. NOTE: RH shown, LH similar.
Install the LH and RH engine lift eyes and the 2 bolts.

- Tighten to 47 Nm (35 lb-ft).