2. Drill in a head of the block of cylinders a hole for the directing plug of a core of the valve according to its repair size.
Attention! Never reinstall a guide bush of the same size.
Valve stem guide hole diameter for SOHC 12V engines:
- repair size 0.05: 12.040-12.058 mm.
- repair size 0.25: 12.240-12.258 mm.
- repair size 0.50: 12.490-12.508 mm.
Bore diameter for valve stem guide for SOHC 16V, DOHC engines:
- repair size 0.05: 10.550-10.568 mm.
- repair size 0.25: 10.750-10.768 mm.
- repair size 0.50: 11.000-11.018 mm.
3. Press in the valve stem guide until the protrusion is correct (pic. 3.52).
Rated value: SOHC 12V: 17mm, SOHC 12V, DOHC: 23mm.
Pic. 3.52. Checking the protrusion of the valve stem guide
Attention! The valve stem guide must be installed on the top side of the cylinder head. Intake and exhaust valve guides differ in length. After pressing in the valve stem guide, insert the valve and check that it moves without binding.